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EP1516918B2 - Verpackung für Waschmittel - Google Patents

Verpackung für Waschmittel Download PDF

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Publication number
EP1516918B2
EP1516918B2 EP04030420.6A EP04030420A EP1516918B2 EP 1516918 B2 EP1516918 B2 EP 1516918B2 EP 04030420 A EP04030420 A EP 04030420A EP 1516918 B2 EP1516918 B2 EP 1516918B2
Authority
EP
European Patent Office
Prior art keywords
pouch
water
compartment
compartments
detergent
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP04030420.6A
Other languages
English (en)
French (fr)
Other versions
EP1516918A2 (de
EP1516918B1 (de
EP1516918A3 (de
Inventor
Tanguy Marie Louis Alexandre Catlin
Rachid Ben Moussa
Timothy Bernard William Kroese
Charles Rupert Gillham
James Lain Kinloch
David John Smith
Alison Lesley Main
Helen Varley
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Procter and Gamble Co
Original Assignee
Procter and Gamble Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27515993&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1516918(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from GB0028821A external-priority patent/GB0028821D0/en
Priority claimed from GB0028823A external-priority patent/GB0028823D0/en
Priority claimed from GB0111131A external-priority patent/GB0111131D0/en
Priority claimed from GB0127279A external-priority patent/GB0127279D0/en
Priority to DE60125847.9T priority Critical patent/DE60125847T3/de
Application filed by Procter and Gamble Co filed Critical Procter and Gamble Co
Publication of EP1516918A2 publication Critical patent/EP1516918A2/de
Publication of EP1516918A3 publication Critical patent/EP1516918A3/de
Publication of EP1516918B1 publication Critical patent/EP1516918B1/de
Publication of EP1516918B2 publication Critical patent/EP1516918B2/de
Application granted granted Critical
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/70—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
    • B65D85/804—Disposable containers or packages with contents which are mixed, infused or dissolved in situ, i.e. without having been previously removed from the package
    • B65D85/808—Disposable containers or packages with contents which are mixed, infused or dissolved in situ, i.e. without having been previously removed from the package for immersion in the liquid to release part or all of their contents, e.g. tea bags
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B47/00—Apparatus or devices for forming pockets or receptacles in or from sheets, blanks, or webs, comprising essentially a die into which the material is pressed or a folding die through which the material is moved
    • B65B47/08—Apparatus or devices for forming pockets or receptacles in or from sheets, blanks, or webs, comprising essentially a die into which the material is pressed or a folding die through which the material is moved by application of fluid pressure
    • B65B47/10—Apparatus or devices for forming pockets or receptacles in or from sheets, blanks, or webs, comprising essentially a die into which the material is pressed or a folding die through which the material is moved by application of fluid pressure by vacuum
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/02—Enclosing successive articles, or quantities of material between opposed webs
    • B65B9/04—Enclosing successive articles, or quantities of material between opposed webs one or both webs being formed with pockets for the reception of the articles, or of the quantities of material
    • B65B9/042—Enclosing successive articles, or quantities of material between opposed webs one or both webs being formed with pockets for the reception of the articles, or of the quantities of material for fluent material
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/0004—Non aqueous liquid compositions comprising insoluble particles
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/0008—Detergent materials or soaps characterised by their shape or physical properties aqueous liquid non soap compositions
    • C11D17/003—Colloidal solutions, e.g. gels; Thixotropic solutions or pastes
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/04—Detergent materials or soaps characterised by their shape or physical properties combined with or containing other objects
    • C11D17/041—Compositions releasably affixed on a substrate or incorporated into a dispensing means
    • C11D17/042—Water soluble or water disintegrable containers or substrates containing cleaning compositions or additives for cleaning compositions
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/04—Detergent materials or soaps characterised by their shape or physical properties combined with or containing other objects
    • C11D17/041—Compositions releasably affixed on a substrate or incorporated into a dispensing means
    • C11D17/042—Water soluble or water disintegrable containers or substrates containing cleaning compositions or additives for cleaning compositions
    • C11D17/045—Multi-compartment
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/22—Carbohydrates or derivatives thereof
    • C11D3/222—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin
    • C11D3/225—Natural or synthetic polysaccharides, e.g. cellulose, starch, gum, alginic acid or cyclodextrin etherified, e.g. CMC
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/39—Organic or inorganic per-compounds
    • C11D3/3942—Inorganic per-compounds
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/39—Organic or inorganic per-compounds
    • C11D3/3947—Liquid compositions
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
    • C11D2111/10—Objects to be cleaned
    • C11D2111/14—Hard surfaces

Definitions

  • the present invention is in the field of dishwashing, in particular it relates to a pack for the storage, distribution and display of a water soluble multi-compartment pouch adapted to fit the dishwasher dispenser and to deliver product into the pre-wash, main wash and/or post-rinse cycles of the dishwashing machine.
  • the pouch contains a cleaning composition for release on dissolution of the pouch.
  • dishwashing detergents Unitised doses of dishwashing detergents are found to be more attractive and convenient to some consumers because they avoid the need of the consumer to measure the product thereby giving rise to a more precise dosing and avoiding wasteful overdosing or underdosing. For this reason automatic dishwashing detergent products in tablet form have become very popular.
  • Detergent products in pouch form are also known in the art, they have the advantage over tablets of avoiding the contact of the consumer fingers with the dishwashing composition which may contain bleach and/or other irritant substances.
  • the automatic dishwashing process usually involves a initial pre-wash cycle, main-wash cycle and several hot rinse cycles. Better performance is obtained when the detergent is delivered at the beginning of the main-wash cycle than when the detergent is delivered in the pre-wash cycle since it can be lost with the initial water.
  • the detergent can be placed in the drum or in the dispenser, however, in dishwashers the detergent is generally delivered into the main wash via the dispenser to avoid premature dissolution in the pre-wash.
  • the amount of detergent is therefore limited by the volume of the dispenser.
  • Dispensers vary in volume and shape from manufacturer to manufacturer. In the case of detergent in loose form (i.e., powders, paste and liquids), the volume of the dispenser is a decisive factor. In the case of unit dose forms, such as tablet, the geometry and shape of the dispenser plays also a very important role.
  • Tablets can be designed to have a size and shape which fit all machines.
  • One of the drawbacks of detergent tablets is the fact that their manufacturing process requires the additional step of powder compaction. This decreases enzyme activity and slows down the dissolution rate of the ingredients forming the tablet, or requires the use of complex and expensive disintegrant systems, or makes it difficult to achieve differential dissolution of the detergent active ingredients.
  • Some detergent ingredients used in dishwashing detergent compositions are liquids. These liquid ingredients can be difficult or costly to include in a solid detergent composition. Also, certain ingredients are preferably transported and supplied to detergent manufacturers in a liquid form and require additional, and sometimes costly, process steps to enable them to be included in a solid detergent composition.
  • An example of these detergent ingredients is surfactant, especially nonionic surfactant which are typically liquid at room temperature or are typically transported and supplied to detergent manufacturers in liquid form. Another example is organic solvents.
  • liquid ingredients into solid detergent compositions include absorbing the liquid ingredient onto a solid carrier, for example by mixing, agglomeration or spray-on techniques.
  • solid detergent compositions comprise only low amounts of these liquid detergent ingredients due to the difficulty and expense of incorporating these liquid ingredients into a solid detergent.
  • the incorporation of liquid ingredients into solid detergent compositions can impact on the dissolution characteristics of the composition (for example as the result of forming surfactant gel phases), can increase the moisture pick-up by water sensitive ingredients and can also lead to problems of flowability. It would be advantageous to have a detergent composition which allows the different ingredients to be in their natural state i.e., liquid or solid.
  • WO97/26315 describes a tinted or untinted transparent container, such as a bottle, containing a tinted cleaning liquid.
  • a frilled package of blue or violet tinted transparent liquid cleaning composition disposed in a transparent blue or violet tinted or untinted container such that the appearance of the filled package is substantially transparent and neutral in colour or slightly blue/green or slightly yellow green in appearance.
  • GB2235206 describes a detergent system comprising two or more components each packaged and dosed individually, and wherein each of the components have a distinctive colour to distinguish them from one another.
  • EP0414462 discloses a laundry treatment product in the form of a single compartment or multi-compartment sachet capable of releasing its contents into the wash liquor during the laundry process. D4 also discloses a multi-compartment sachet; however, like EP0414462 it is wholly silent about see-through packages for storing said sachets.
  • the present invention provides a display pack in accordance with claim 1 of the appended claims and in accordance with claim 5 of the appended claims.
  • a see-through, preferably transparent, dishwashing detergent pack wherein the number of distinctive groups of pouches or other unit doses is at least 2, preferably at least 3, more preferably at least 4, and especially at least 6 and wherein the number of unit doses per pack is at least 10, preferably at least 16 an more preferably at least 20.
  • the unit doses are multi-compartment pouches, each compartment itself possibly being visually or otherwise distinctive from the remainder of the compartments in an individual pouch.
  • groups of pouches are distinctive in terms of colour. At least one group of pouches has one compartment which is visually distinctive, for example in terms of colour, from the corresponding compartment in one or more other groups of pouches.
  • all pouch groups have at least one 'common' compartment, i.e. the appearance of which is the same from group to group.
  • the visually distinctive compartment contains a liquid, gel or paste;
  • the common compartment contains a powder or tablet.
  • the pouches can be arranged in any form in the pack, either randomly or following an order, for example suitable arrangements including layers wherein each pouch comprises at least one compartment of a different colour to any of the compartments of the remainder of the pouches on the same layer.
  • the pack can be made of plastic or any other suitable material, provided the material is strong enough to protect the pouches during transport. This kind of pack is also very useful because the user does not need to open the pack to see how many pouches there are left, the different colour pouches are very easy to identify from the exterior.
  • the pouch has a volume of from 5 to 70 ml, preferably from 15 to 60 ml, more preferably from 18 to 57 ml, and a longitudinal/transverse aspect ratio in the range from 2:1 to 1:8, preferably from 1:1 to 1:4.
  • the longitudinal dimension is defined as the maximum height of the pouch when the pouch is lying on one of the bases which has the maximum footprint with the pouch compartments superposed in a longitudinal direction, i.e. one over another, and under a static load of about 2 Kg.
  • the transverse dimension is defined as the maximum width of the pouch in a plane perpendicular to the longitudinal direction under the same conditions. These dimensions are adequate to fit the dispensers of the majority of dishwashers.
  • the shape of the pouch can vary widely, in order to maximise the available volume, preferred pouches have a base as similar as possible to the footprint of the majority of the dispensers, that is generally rectangular.
  • the plurality of compartments of the water-soluble pouch are in generally superposed relationship and the pouch comprises upper and lower generally opposing outer walls, a skirt-like side walls, forming the sides of the pouch, and one or more internal partitioning walls, separating different compartments from one another, and wherein each of said upper and lower outer walls and skirt-like side wall are formed by thermoforming, vacuum forming or a combination thereof.
  • each internal partitioning wall of the water-soluble multi-compartment pouch is secured to an outer or side wall of the pouch along a single seal line or to both an outer and a side wall of the pouch along a plurality of seal lines that are at least partially non-overlapping.
  • each partitioning wall is secured to one or more outer or sides wall by heat or solvent sealing.
  • At least one internal partitioning wall of the multi-compartment pouch is secured to an upper or lower outer wall along a first continuos seal line and one or both of said outer wall and said partitioning wall are secured to the skirt-like side wall along a second continuous seal line and wherein the seal lines in the case of heat seals are essentially non-overlapping and in the case of solvent seals are at least partially non-overiapping.
  • Non-overlapping seal lines are particularly advantageous in the case of multi-compartment pouches made by a process involving several non-simultaneous heat sealing steps.
  • the heat seal mechanism involves the step of water evaporation from the film, therefore it is very difficult to achieve a good overlapping seal unless the two seals are formed simultaneously.
  • Heat sealing is preferred in cases in which the pouches are filled with water sensitive components. Solvent sealing can reduce processing cost, can produce stronger seals and can make the process faster. Partially non-overlapping seals allow for the superposition of a plurality of compartments of different sizes.
  • At least one internal partitioning wall of the multi-compartment pouch is secured to the upper outer wall along a first seal line defining the waist line of the skirt-like wall and wherein the second non-overlapping or at least partially non-overlapping seal is preferably off-set below the waist line-defining seal line in the direction of the lower outer wall.
  • the skirt-like side wall is also preferably slightly gathered or puckered in the final pouch to provide a mattress-like appearance.
  • the water-soluble pouch comprises a plurality of compartments in side-by-side but generally superposable relationship (for example, the compartments can be folded over each other).
  • the pouch comprises upper and lower generally opposing outer walls, one or more skirt-like side walls and one or more external partitioning walls, and wherein each of said upper and lower outer walls and skirt-like side walls are formed by thermoforming, vacuum forming or a combination thereof.
  • At least one of the plurality of compartments of the water-soluble pouch comprises a powder or densified powder composition.
  • the powder composition usually comprises traditional solid materials used in dishwashing detergent, such as builders, alkalinity sources, enzymes, bleaches, etc.
  • the powder composition can be in the form of dry powder, hydrated powder, agglomerates, encapsulated materials, extrudates, tablets or mixtures thereof. It is also useful to have water-soluble pouches with several compartments comprising different powder compositions, usually compositions in different compartments comprise incompatible actives or actives which need to be delivered at different times of the dishwashing process. It is advantageous to have bleach and enzymes in different compartments.
  • At least one of the powder compartments comprises particulate bleach.
  • the bleach is preferably selected from inorganic peroxides inclusive of perborates and percarbonates, organic peracids inclusive of preformed monoperoxy carboxylic acids, such as phthaloyl amido peroxy hexanoic acid and di-acyl peroxides.
  • differential dissolution can be obtained, for example, by varying the degree of powder compression and/or particle size of the powder compositions in the same or different compartments.
  • Another way to obtain differential dissolution is to use water-soluble films of different thickness or different degree or rate of solubility under in-use conditions. Film solubility can be controlled by for example pH, temperature, ionic strength or any other means.
  • each of the compartments of the pouch have a different disintegration rate or dissolution profile under in-use conditions.
  • At least one of the plurality of compartments of the water-soluble pouch comprises a liquid composition.
  • the liquid compositions comprise traditional liquid materials used in dishwashing detergents, such as non-ionic surfactants or the organic solvents described hereinbelow.
  • the liquid composition comprises detergency enzyme.
  • water-soluble pouches having one compartment comprising a liquid composition and another compartment comprising a solid composition.
  • water can migrate from the film to the composition making the water-soluble pouch brittle.
  • At least one of the plurality of compartments of the water-soluble pouch comprises a composition in the form of a paste.
  • the multi-compartment pouches can also include compositions in the form of a gel or a wax.
  • At least one of-the plurality of compositions of the water-soluble pouch comprises an organic solvent system compatible with the water-soluble pouch.
  • the organic solvent system can simply act as a liquid carrier, but in preferred compositions, the solvent can aid removal of cooked-, baked- or burnt-on soil and thus has detergent functionality in its own right.
  • the organic solvent system (comprising a single solvent compound or a mixture of solvent compounds) preferably has a volatile organic content above 1 mm Hg and more preferably above 0.1 mm Hg of less than about 50%, preferably less than about 20% and more preferably less than about 10% by weight of the solvent system.
  • volatile organic content of the solvent system is defined as the content of organic components in the solvent system having a vapor pressure higher than the prescribed limit at 25°C and atmospheric pressure.
  • the organic solvent system for use herein is preferably selected from organoamine solvents, inclusive of alkanolamines, alkylamines, alkyleneamines and mixtures thereof; alcoholic solvents inclusive of aromatic, aliphatic (preferably C 4 -C 10 ) and cycloaliphatic alcohols and mixtures thereof; glycols and glycol derivatives inclusive of C 2 -C 3 (poly)alkylene glycols, glycol ethers, glycol esters and mixtures thereof; and mixtures selected from organoamine solvents, alcoholic solvents, glycols and glycol derivatives.
  • organoamine solvents inclusive of alkanolamines, alkylamines, alkyleneamines and mixtures thereof
  • alcoholic solvents inclusive of aromatic, aliphatic (preferably C 4 -C 10 ) and cycloaliphatic alcohols and mixtures thereof
  • glycols and glycol derivatives inclusive of C 2 -C 3 (poly)alkylene glycols, glycol ethers, glycol esters
  • the organic solvent comprises organoamine (especially alkanolamine) solvent and glycol ether solvent, preferably in a weight ratio of from about 3:1 to about 1:3, and wherein the glycol ether solvent is selected from ethylene glycol monobutyl ether, diethylene glycol monobutyl ether, ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, diethylene glycol monomethyl ether, diethylene glycol monoethyl ether, propylene glycol monobutyl ether, and mixtures thereof.
  • the glycol ether is a mixture of diethylene glycol monobutyl ether and propylene glycol butyl ether, especially in a weight ratio of from about 1:2 to about 2:1.
  • the invention envisages a detergent pack having improved display attributes and which makes it very easy for the consumer to evaluate the amount of pouches in the pack.
  • the dishwashing composition or components for use herein, are contained in the internal volume space of the pouch, and are typically separated from the outside environment by a barrier of water-soluble material. Typically, different components of the composition contained in different compartments of the pouch are separated from one another by a barrier of water-soluble material.
  • the compartments of the water-soluble pouch may be of a different colour from each other, for example a first compartment may be green or blue, and a second compartment may be white or yellow.
  • One compartment of the pouch may be opaque or semi-opaque, and a second compartment of the pouch may be translucent, transparent, or semitransparent.
  • the compartments of the pouch may be the same size, having the same internal volume, or may be different sizes having different internal volumes.
  • Suitable water-soluble pouches include for example dual-compartment pouches comprising loose powder, densified powder or a tablet in a first compartment and a liquid, paste, or waxy or translucent gel detergent in a second compartment.
  • the second liquid, paste or gel compartment could also contain a separate packed powder, for example in the form of micro-beads, noodles or one or more pearlized balls allowing a delayed or sequential release effects.
  • the first compartment comprises a tablet
  • this tablet can have a recess of a size and geometrical shape, (e.g. square, round or oval) so as to partially or totally house the second compartment.
  • the powder can be arranged in layers that can be of different colours.
  • dual compartment pouches can comprise powder of the same or different colours in the two compartments, the powder comprising flecks of one or more colours or having a uniform colour.
  • One of the two compartments could also comprise a separate densified powder phase (allowing delayed or controlled release), for example in the form of micro-beads, noodles or one or more pearlized balls.
  • Other dual compartment pouches comprise a single or multi-phase liquid, paste or waxy or translucent gel detergent in the two compartments, each compartment either comprising multi-phase liquid or gels being of the same or different colour and/or density. Either or both of these compartments can also comprise a separate densified powder phase (allowing delayed or controlled release), for example in the form of micro-beads, noodles or one or more pearlized balls.
  • the compartments of all the above described dual compartment pouches can be superposed or be in superposable (e.g. side by side) relationship.
  • Multi-compartment pouches having three compartments, can have superposed compartments of any geometrical shape in a sandwich like disposition, for example having either loose or compacted powder in the two outer compartments and having a liquid, paste or waxy or translucent gel in the middle compartment. Contrary, the liquid, paste or waxy or translucent gel can be in the two outer compartments, perhaps containing suspended solids and speckles, and the powder can be in the middle compartment.
  • a multi-compartment pouch can also have a tablet with more than one recess in the first compartment and with multiple other compartments totally or partially housed in the recesses of the tablet.
  • the pouches can be packed in a string, each pouch being individually separable by a perforation line. Therefore, each pouch can be individually torn-off from the remainder of the string by the end-user.
  • multi-compartment pouches having a first compartment comprising a liquid composition and a second compartment comprising a powder composition wherein the weight ratio of the liquid to the solid composition is from about 1:30 to about 30:1, preferably form about 1:1 to about 1:25 and more preferably from about 1:15 to about 1:20.
  • pouches or pouch compartments containing a component which is liquid will usually contain an air bubble having a volume of up to about 50%, preferably up to about 40%, more preferably up to about 30%, more preferably up to about 20%, more preferably up to about 10% of the volume space of said compartment.
  • the pouch is preferably made of a pouch material which is soluble or dispersible in water, and has a water-solubility of at least 50%, preferably at least 75% or even at least 95%, as measured by the method set out here after using a glass-filter with a maximum pore size of 20 microns.
  • % solubility or dispersability 50 grams ⁇ 0.1 gram of pouch material is added in a pre-weighed 400 ml beaker and 245ml ⁇ 1ml of distilled water is added. This is stirred vigorously on a magnetic stirrer set at 600 rpm, for 30 minutes. Then, the mixture is filtered through a folded qualitative sintered-glass filter with a pore size as defined above (max. 20 micron). The water is dried off from the collected filtrate by any conventional method, and the weight of the remaining material is determined (which is the dissolved or dispersed fraction). Then, the % solubility or dispersability can be calculated.
  • Preferred pouch materials are polymeric materials, preferably polymers which are formed into a film or sheet.
  • the pouch material can, for example, be obtained by casting, blow-moulding, extrusion or blown extrusion of the polymeric material, as known in the art.
  • Preferred polymers, copolymers or derivatives thereof suitable for use as pouch material are selected from polyvinyl alcohols, polyvinyl pyrrolidone, polyalkylene oxides, acrylamide, acrylic acid, cellulose, cellulose ethers, cellulose esters, cellulose amides, polyvinyl acetates, polycarboxylic acids and salts, polyaminoacids or peptides, polyamides, polyacrylamide, copolymers of maleic/acrylic acids, polysaccharides including starch and gelatine, natural gums such as xanthum and carragum.
  • More preferred polymers are selected from polyacrylates and water-soluble acrylate copolymers, methylcellulose, carboxymethylcellulose sodium, dextrin, ethylcellulose, hydroxyethyl cellulose, hydroxypropyl methylcellulose, maltodextrin, polymethacrylates, and most preferably selected from polyvinyl alcohols, polyvinyl alcohol copolymers and hydroxypropyl methyl cellulose (HPMC), and combinations thereof.
  • the level of polymer in the pouch material for example a PVA polymer, is at least 60%.
  • the polymer can have any weight average molecular weight, preferably from about 1000 to 1,000,000, more preferably from about 10,000 to 300,000 yet more preferably from about 20,000 to 150,000.
  • Mixtures of polymers can also be used as the pouch material. This can be beneficial to control the mechanical and/or dissolution properties of the compartments or pouch, depending on the application thereof and the required needs.
  • Suitable mixtures include for example mixtures wherein one polymer has a higher water-solubility than another polymer, and/or one polymer has a higher mechanical strength than another polymer.
  • mixtures of polymers having different weight average molecular weights for example a mixture of PVA or a copolymer thereof of a weight average molecular weight of about 10,000- 40,000, preferably around 20,000, and of PVA or copolymer thereof, with a weight average molecular weight of about 100,000 to 300,000, preferably around 150,000.
  • polymer blend compositions for example comprising hydrolytically degradable and water-soluble polymer blends such as polylactide and polyvinyl alcohol, obtained by mixing polylactide and polyvinyl alcohol, typically comprising about 1-35% by weight polylactide and about 65% to 99% by weight polyvinyl alcohol.
  • Preferred for use herein are polymers which are from about 60% to about 98% hydrolysed, preferably about 80% to about 90% hydrolysed, to improve the dissolution characteristics of the material.
  • Most preferred pouch materials are PVA films known under the trade reference Monosol M8630, as sold by Chris-Craft Industrial Products of Gary, Indiana, US, and PVA films of corresponding solubility and deformability characteristics.
  • Other films suitable for use herein include films known under the trade reference PT film or the IC-series of films supplied by Aicello, or VF-HP film supplied by Kuraray.
  • the pouch material herein can also comprise one or more additive ingredients.
  • plasticisers for example glycerol, ethylene glycol, diethyleneglycol, propylene glycol, sorbitol and mixtures thereof.
  • Other additives include functional detergent additives to be delivered to the wash water, for example organic polymeric dispersants, etc.
  • the detergent and cleaning compositions herein can comprise traditional detergency components and can also comprise organic solvents having a cleaning function and organic solvents having a carrier or diluent function or some other specialised function.
  • the compositions will generally be built and comprise one or more detergent active components which may be selected from bleaching agents, surfactants, alkalinity sources, enzymes, thickeners (in the case of liquid, paste, cream or gel compositions), anticorrosion agents (e.g. sodium silicate) and disrupting and binding agents (in the case of powder, granules or tablets).
  • Highly preferred detergent components include a builder compound, an alkalinity source, a surfactant, an enzyme and a bleaching agent.
  • the components described hereinbelow can be incorporated either in the organic solvent compositions and/or the detergent or cleaning compositions.
  • the organic solvents should be selected so as to be compatible with the tableware/cookware as well as with the different parts of an automatic dishwashing machine. Furthermore, the solvent system should be effective and safe to use having a volatile organic content above 1 mm Hg (and preferably above 0.1 mm Hg) of less than about 50%, preferably less than about 30%, more preferably less than about 10% by weight of the solvent system. Also they should have very mild pleasant odours.
  • the individual organic solvents used herein generally have a boiling point above about 150°C, flash point above about 100°C and vapor pressure below about 1 mm Hg, preferably below 0.1 mm Hg at 25°C and atmospheric pressure.
  • Solvents that can be used herein include: i) alcohols, such as benzyl alcohol, 1,4-cyclohexanedimethanol, 2-ethyl-1-hexanol, furfuryl alcohol, 1,2-hexanediol and other similar materials; ii) amines, such as alkanolamines (e.g.
  • primary allcanolamines monoethanolamine, monoisopropanolamine, diethylethanolamine, ethyl diethanolamine; secondary alkanolamines: diethanolamine, diisopropanolamine, 2-(methylamino)ethanol; ternary alkanolamines: triethanolamine, triisopropanolamine); alkylamines (e.g.
  • primary alkylamines monomethylamine, monoethylamine, monopropylamine, monobutylamine, monopentylamine, cyclohexylamine), secondary alkylamines: (dimethylamine), alkylene amines (primary alkylene amines: ethylenediamine, propylenediamine) and other similar materials; iii) esters, such as ethyl lactate, methyl ester, ethyl acetoacetate, ethylene glycol monobutyl ether acetate, diethylene glycol monoethyl ether acetate, diethylene glycol monobutyl ether acetate and other similar materials; iv) glycol ethers, such as ethylene glycol monobutyl ether, diethylene glycol monobutyl ether, ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, diethylene glycol monomethyl ether, diethylene glycol monoethyl ether, propylene glycol
  • the detergent surfactant is preferably low foaming by itself or in combination with other components (i.e. suds suppressers).
  • Surfactants suitable herein include anionic surfactants such as alkyl sulfates, alkyl ether sulfates, alkyl benzene sulfonates, alkyl glyceryl sulfonates, alkyl and alkenyl sulphonates, alkyl ethoxy carboxylates, N-acyl sarcosinates, N-acyl taurates and alkyl succinates and sulfosuccinates, wherein the alkyl, alkenyl or acyl moiety is C 5 -C 20 , preferably C 10 -C 18 linear or branched; cationic surfactants such as chlorine esters ( US-A-4228042 , US-A-4239660 and US-A-4260529 ) and mono C 6 -C 16
  • Surfactants suitable herein are disclosed, for example, in US-A-3,929,678 , US-A- 4,259,217 , EP-A-0414 549 , WO-A-93/08876 and WO-A-93/08874 .
  • Surfactants are typically present at a level of from about 0.2% to about 30% by weight, more preferably from about 0.5% to about 10% by weight, most preferably from about 1% to about 5% by weight of composition.
  • Preferred surfactant for use herein are low foaming and include low cloud point nonionic surfactants and mixtures of higher foaming surfactants with low cloud point nonionic surfactants which act as suds suppresser therefor.
  • Builders suitable for use in detergent and cleaning compositions herein include water-soluble builders such as citrates, carbonates and polyphosphates e.g. sodium tripolyphosphate and sodium tripolyphosphate hexahydrate, potassium tripolyphosphate and mixed sodium and potassium tripolyphosphate salts; and partially water-soluble or insoluble builders such as crystalline layered silicates ( EP-A-0164514 and EP-A-0293640 ) and aluminosilicates inclusive of Zeolites A, B, P, X, HS and MAP.
  • the builder is typically present at a level of from about 1% to about 80% by weight, preferably from about 10% to about 70% by weight, most preferably from about 20% to about 60% by weight of composition.
  • Amorphous sodium silicates having an SiO 2 :Na 2 O ratio of from 1.8 to 3.0, preferably from 1.8 to 2.4, most preferably 2.0 can also be used herein although highly preferred from the viewpoint of long term storage stability are compositions containing less than about 22%, preferably less than about 15% total (amorphous and crystalline) silicate.
  • Enzymes suitable herein include bacterial and fungal cellulases such as Carezyme and Celluzyme (Novo Nordisk A/S); peroxidases; lipases such as Amano-P (Amano Pharmaceutical Co.), M1 Lipase R and Lipomax R (Gist-Brocades) and Lipolase R and Lipolase Ultra R (Novo); cutinases; proteases such as Esperase R , Alcalase R , Durazym R and Savinase R (Novo) and Maxatase R , Maxacal R , Properase R and Maxapem R (Gist-Brocades); ⁇ and ⁇ amylases such as Purafect Ox- Am R (Genencor) and Termamyl R , Ban R , Fungamyl R , Duramyl R , and Natalase R (Novo); pectinases; and mixtures thereof. Enzymes are preferably added herein as prills, granulates
  • Bleaching agents suitable herein include chlorine and oxygen bleaches, especially inorganic perhydrate salts such as sodium perborate mono-and tetrahydrates and sodium percarbonate optionally coated to provide-controlled rate of release (see, for example, GB-A-1466799 on sulfate/carbonate coatings), preformed organic peroxyacids and mixtures thereof with organic peroxyacid bleach precursors and/or transition metal-containing bleach catalysts (especially manganese or cobalt).
  • Inorganic perhydrate salts are typically incorporated at levels in the range from about 1% to about 40% by weight, preferably from about 2% to about 30% by weight and more preferably from abut 5% to about 25% by weight of composition.
  • Peroxyacid bleach precursors preferred for use herein include precursors of perbenzoic acid and substituted perbenzoic acid; cationic peroxyacid precursors; peracetic acid precursors such as TAED, sodium acetoxybenzene sulfonate and pentaacetylglucose; pernonanoic acid precursors such as sodium 3,5,5-trimethylhexanoyloxybenzene sulfonate (iso-NOBS) and sodium nonanoyloxybenzene sulfonate (NOBS); amide substituted alkyl peroxyacid precursors ( EP-A-0170386 ); and benzoxazin peroxyacid precursors ( EP-A-0332294 and EP-A-0482807 ).
  • Bleach precursors are typically incorporated at levels in the range from about 0.5% to about 25%, preferably from about 1% to about 10% by weight of composition while the preformed organic peroxyacids themselves are typically incorporated at levels in the range from 0.5% to 25% by weight, more preferably from 1% to 10% by weight of composition.
  • Bleach catalysts preferred for use herein include the manganese triazacyclononane and related complexes ( US-A-4246612 , US-A-5227084 ); Co, Cu, Mn and Fe bispyridylamine and related complexes ( US-A-5114611 ); and pentamine acetate cobalt (III) and related complexes( US-A-4810410 ).
  • the suds suppressers suitable for use herein include nonionic surfactants having a low cloud point.
  • Cloud point is a well known property of nonionic surfactants which is the result of the surfactant becoming less soluble with increasing temperature, the temperature at which the appearance of a second phase is observable is referred to as the “cloud point” (See Kirk Othmer, pp. 360-362 ).
  • a “low cloud point” nonionic surfactant is defined as a nonionic surfactant system ingredient having a cloud point of less than 30° C., preferably less than about 20° C., and even more preferably less than about 10° C., and most preferably less than about 7.5° C.
  • Typical low cloud point nonionic surfactants include nonionic alkoxylated surfactants, especially ethoxylates derived from primary alcohol, and polyoxypropylene/polyoxyethylene/polyoxypropylene (PO/EO/PO) reverse block polymers.
  • low cloud point nonionic surfactants include, for example, ethoxylated-propoxylated alcohol (e.g., BASF Poly-Tergent® SLF18) and epoxy-capped poly(oxyalkylated) alcohols (e.g.,BASF Poly-Tergent® SLF18B series of nonionics, as described, for example, in US-A-5,576,281 ).
  • Preferred low cloud point surfactants are the ether-capped poly(oxyalkylated) suds suppresser having the formula: wherein R 1 is a linear, alkyl hydrocarbon having an average of from about 7 to about 12 carbon atoms, R 2 is a linear, alkyl hydrocarbon of about 1 to about 4 carbon atoms, R 3 is a linear, alkyl hydrocarbon of about 1 to about 4 carbon atoms, x is an integer of about 1 to about 6, y is an integer of about 4 to about 15, and z is an integer of about 4 to about 25.
  • R I is selected from the group consisting of linear or branched, saturated or unsaturated, substituted or unsubstituted, aliphatic or aromatic hydrocarbon radicals having from about 7 to about 12 carbon atoms
  • R II may be the same or different, and is independently selected from the group consisting of branched or linear C 2 to C 7 alkylene in any given molecule
  • n is a number from 1 to about 30
  • R III is selected from the group consisting of:
  • suitable components herein include organic polymers having dispersant, anti-redeposition, soil release or other detergency properties invention in levels of from about 0.1% to about 30%, preferably from about 0.5% to about 15%, most preferably from about 1% to about 10% by weight of composition.
  • Preferred anti-redeposition polymers herein include acrylic acid containing polymers such as Sokalan PA30, PA20, PA15, PA10 and Sokalan CP10 (BASF GmbH), Acusol 45N, 480N, 460N (Rohm and Haas), acrylic acid/maleic acid copolymers such as Sokalan CP5 and acrylic/methacrylic copolymers.
  • Preferred soil release polymers herein include alkyl and hydroxyalkyl celluloses ( US-A-4,000,093 ), polyoxyethylenes, polyoxypropylenes and copolymers thereof, and nonionic and anionic polymers based on terephthalate esters of ethylene glycol, propylene glycol and mixtures thereof.
  • Heavy metal sequestrants and crystal growth inhibitors are suitable for use herein in levels generally from about 0.005% to about 20%, preferably from about 0.1% to about 10%, more preferably from about 0.25% to about 7.5% and most preferably from about 0.5% to about 5% by weight of composition, for example diethylenetriamine penta (methylene phosphonate), ethylenediamine tetra(methylene phosphonate) hexamethylenediamine tetra(rnethylene phosphonate), ethylene diphosphonate, hydroxyethylene-1,1-diphosphonate, nitrilotriacetate, ethylenediaminotetracetate, ethylenediamine-N,N'-disuccinate in their salt and free acid forms.
  • diethylenetriamine penta methylene phosphonate
  • ethylenediamine tetra(methylene phosphonate) hexamethylenediamine tetra(rnethylene phosphonate) ethylene diphosphonate, hydroxyethylene-1,1
  • compositions herein can contain a corrosion inhibitor such as organic silver coating agents in levels of from about 0.05% to about 10%, preferably from about 0.1% to about 5% by weight of composition (especially paraffins such as Winog 70 sold by Wintershall, Salzbergen, Germany), nitrogen-containing corrosion inhibitor compounds (for example benzotriazole and benzimadazole - see GB-A-1137741 ) and Mn(ll) compounds, particularly Mn(II) salts of organic ligands in levels of from about 0.005% to about 5%, preferably from about 0.01% to about 1%, more preferably from about 0.02% to about 0.4% by weight of the composition.
  • a corrosion inhibitor such as organic silver coating agents in levels of from about 0.05% to about 10%, preferably from about 0.1% to about 5% by weight of composition (especially paraffins such as Winog 70 sold by Wintershall, Salzbergen, Germany), nitrogen-containing corrosion inhibitor compounds (for example benzotriazole and benzimadazole - see GB-A
  • Suitable components herein include colorants, water-soluble bismuth compounds such as bismuth acetate and bismuth citrate at levels of from about 0.01% to about 5%, enzyme stabilizers such as calcium ion, boric acid, propylene glycol and chlorine bleach scavengers at levels of from about 0.01% to about 6%, lime soap dispersants (see WO-A-93/08877 ), suds suppressors (see WO-93/08876 and EP-A-0705324 ), polymeric dye transfer inhibiting agents, optical brighteners, perfumes, fillers and clay.
  • enzyme stabilizers such as calcium ion, boric acid, propylene glycol and chlorine bleach scavengers at levels of from about 0.01% to about 6%
  • lime soap dispersants see WO-A-93/08877
  • suds suppressors see WO-93/08876 and EP-A-0705324
  • polymeric dye transfer inhibiting agents optical brighteners, perfumes, fillers
  • Liquid detergent compositions can contain low quantities of low molecular weight primary or secondary alcohols such as methanol, ethanol, propanol and isopropanol can be used in the liquid detergent of the present invention.
  • suitable carrier solvents used in low quantities includes glycerol, propylene glycol, ethylene glycol, 1,2-propanediol, sorbitol and mixtures thereof.
  • the pouch when used herein can be of any form, shape and material which is suitable to hold the product prior to use, e.g. without allowing the release of the compositions from the pouch prior to contact of the pouched composition to water.
  • the exact execution will depend on for example the type and amount of the compositions in the pouch, the characteristics required from the pouch to hold, protect and deliver or release the compositions, the number of compartments in the pouch.
  • Preferred herein are water-soluble pouches having one compartment comprising a liquid composition and another compartment comprising a powder or densified powder composition.
  • an air bubble is typically formed. This air bubble can reduce the compressibility of the pouch and therefore the ease of closing the dispenser after placing the pouch therein. It has been found that ease of closing is increased when the ratio of the air bubble diameter to the maximum lateral dimension of the pouch footprint is from about 1:5 to about 1:2.
  • the bubble has a diameter from about 9 to about 16 mm.
  • the bubble dimension can be controlled by process parameters.
  • the water-soluble pouch is usually placed within the washing machine dispenser and released during the main cycle of the dishwashing process.
  • the dispensers of some dishwashing machines are not completely water tight, mainly for two reasons, either the dispenser has some apertures allowing water ingress or the dispenser is sealed with a rubber band that can deform with time due to the high temperature of the dishwashing process. Water ingress into the dispenser can cause premature leaking of some of the pouch content which is thus lost at the end of the pre-wash. This problem is especially acute in the case of pouches comprising liquid compositions having a low viscosity wherein a considerable amount of the product can be lost before the main-wash cycle.
  • the problem can be overcome by making the pouch or at least the liquid compartment thereof out of a film material which is designated to survive the pre-wash and to release the pouch contents at or after the start of the main-wash cycle.
  • the pre-wash is usually a cold water cycle (about 20°C or less) without detergent and lasting for about 10 to 15 min.
  • the film material has a water solubility according to the hereinbelow defined test of less than about 50%, more preferably less than about 20% and especially less than about 5% under cold water conditions (20°C or below) when exposed to the water for at least 10 minutes, preferably at least 15 minutes; and a water solubility of at least about 50%, more preferably at least about 75% and especially at least about 95% under warm water conditions (30°C or above, preferably 40°C or above) when exposed to the water for about 5 minutes and preferably when exposed to the water for about 3 minutes.
  • Such film materials are herein referred to as being substantially insoluble in cold water but soluble in warm water. Sometimes this is abbreviated simply to "warm water soluble".
  • % solubility or dispersability 50 grams ⁇ 0.1 gram of pouch material is added in a pre-weighed 400 ml beaker and 245ml ⁇ 1ml of distilled water is added. This is kept at the desired temperature, by using a water bath, and stirred vigorously on a magnetic stirrer set at 600 rpm, for the desired time. Then, the mixture is filtered through a folded qualitative sintered-glass filter with a maximum pore size of 20 ⁇ m. The water is dried off from the collected filtrate by any conventional method, and the weight of the remaining material is determined (which is the dissolved or dispersed fraction). Then, the % solubility or dispersability can be calculated.
  • films insoluble in cold water and soluble in hot water include BP26 available from Aicello, L10 and L15 available from Aquafilm, VF-M and VM-S available from Kuraray and E-2060 available from Monosol.
  • a multi-compartment pouch comprises a first compartment comprising a liquid composition and a second compartment comprising a powder or densified powder composition.
  • the liquid compartment is made of a warm water-soluble material as described hereinabove and the powder or densified powder compartment is made of cold water-soluble material, i.e., a material which is soluble to an extent of at least 50%, preferably at least 75%, more preferably at least 95% by weight under cold water conditions (20°C or below) when exposed to the water for about 5 minutes and preferably when exposed to the water for about 3 minutes.
  • the compartment made of warm water-soluble material takes longer to dissolve than the compartment made of cold water-soluble material.
  • This kind of pouch allows for a delayed release of the liquid composition providing optimised use of the detergent composition.
  • the liquid composition comprises detergency enzyme, this being advantageous from the enzyme storage stability viewpoint, the enzyme being separated from the bleach and from highly alkaline materials contained in the powder or densified powder composition.
  • liquid containing compartment substantially cold water-insoluble and warm water-soluble
  • solid containing compartment cold water-soluble
  • Pouch compartments containing solid compositions in particular oxygen bleach comprising compositions, are usually pin-pricked in order to allow the leakage of any formed oxygen.
  • the holes formed by pin pricking also allow the leakage of perfumes or malodors, however.
  • surfactants often have an unpleasant smell associated with them and when such pouches are packed within a secondary package, the unpleasant surfactant smell can be concentrated into the package head space and released each time that the user open the package.
  • the liquid composition comprises a surfactant.
  • Another advantage of having the surfactant in the liquid phase is to avoid problems of loading the surfactant onto the solid material.
  • a further advantage is that the surfactant is released with a certain delay with respect to the solid composition, this allows better performance of the bleach and enzymes which can be adversely affected by interaction between the surfactant and the table/dishware surfaces.
  • perfume is introduced in the solid composition, pin prickling allowing for slow release of the perfume before the product is used in the dishwasher.
  • Films substantially insoluble in cold water and soluble in warm water have relatively low moisture and plasticiser content, therefore the film would require a significant time and temperature in order to seal by means of heat sealing. These requirements can lead to damage of the film such as for example pin-holes at the point where the film is stretched into the mould, causing leakage, especially problematic in the case of pouches containing liquid. Therefore, it is preferred that compartments made of films substantially insoluble in cold water and soluble in warm water and which house liquids are sealed using solvent which partially hydrates the film prior to sealing, lowering the time and temperature required for sealing, generating strong seals and avoiding pin-hole formation.
  • differential solubility pouches having one compartment comprising a liquid composition and another compartment comprising a powder composition wherein the liquid compartment is made of material substantially insoluble in cold water and soluble in warm water and the powder compartment is made of material which is soluble in cold water, it is preferred that the liquid compartment be sealed by solvent-sealing while the liquid compartment is sealed to the powder compartment by heat sealing.
  • the pouch can also be placed outside the dispenser, for example in the cutlery basket, in a net or on the door of the dishwasher. In this case, it is preferred to make the entire pouch of a film material, as for example the one described herein above, which protects the pouch content until at least the start of the main-wash cycle.
  • disintegrating agents such as effervescence sources, water-swellable polymers or clays are present in the pouch itself, and/ or in the product therein, in particular effervescence sources based on an acid and a carbonate source.
  • Suitable acids include the organic carboxylic acids such as fumaric acid, maleic acid, malic acid, citric acid;
  • suitable carbonate sources include sodium salts of carbonate, bicarbonate, percarbonate.
  • Preferred levels for the disintegrating aids or effervescence sources or both are from 0.05% to 15% or even from 0.2% to 10% or even form 0.3 to 5% by weight of total pouched composition.
  • compositions of examples 1 to 4 are introduced in a two compartment layered PVA rectangular base pouch.
  • the dual compartment pouch is made from a Monosol M8630 film as supplied by Chris-Crafl Industrial Products. 17.2 g of the particulate composition and 4 g of the liquid composition are placed in the two different compartments of the pouch.
  • the pouch dimensions under 2 Kg load are: length 3.7 cm, width 3.4 cm and height 1.5 cm.
  • the longitudinal/transverse aspect ratio is thus 1.5:3.2 or 1:2.47.
  • the pouch is manufactured using a two-endless surface process, both surfaces moving in continuous horizontal rectilinear motion as herein described.
  • a first web of pouches is prepared by forming and filling a first moving web of open pouches mounted on the first endless surface and closing the first web of open pouches with the second web of filled and sealed pouches moving in synchronism therewith.
  • the pouch is introduced in the 25 ml dispenser compartment of a Bosch Siemens 6032 dishwashing machine, the dispenser is closed and the washing machine operated in its normal 55°C program.

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Claims (7)

  1. Schaupackung, umfassend einen durchsichtigen Behälter, der eine Vielzahl von Einheitsdosierungen eines Reinigungsmittelprodukts in einer Mehrzahl von sensorisch unterscheidbaren Gruppen enthält, und wobei die Gruppen hinsichtlich Farbe, Form, Muster oder Verzierung unterscheidbar sind, wobei die Einheitsdosierungen Beutel mit mehreren Kammern sind.
  2. Schaupackung nach Anspruch 1, wobei die Anzahl an Einheitsdosierungen mindestens 10 beträgt und wobei die Anzahl an sensorisch unterscheidbaren Gruppen mindestens 2 beträgt.
  3. Schaupackung nach einem der Ansprüche 1 oder 2, wobei mindestens zwei Gruppen hinsichtlich der Farbe visuell unterscheidbar sind.
  4. Schaupackung nach einem der Ansprüche 1 bis 3, wobei mindestens zwei Gruppen hinsichtlich des Duftstoffes unterscheidbar sind.
  5. Schaupackung, umfassend einen durchsichtigen Behälter, der eine Vielzahl von Einheitsdosierungen in der Form von wasserlöslichen Beuteln in einer Mehrzahl von sensorisch unterscheidbaren Gruppen enthält, wobei jeder Beutel eine Vielzahl von Kammern in generell übereinander angeordneter oder übereinander anordbarer Beziehung umfasst, wobei jeder ein oder mehrere Reinigungswirkstoff- oder Hilfsbestandteile enthält und wobei jeder Beutel ein Volumen von 5 bis 70 ml und ein Seitenverhältnis von Länge zu Breite im Bereich von 2:1 bis 1:8, vorzugsweise von 1:1 bis 1:4 aufweist.
  6. Schaupackung nach Anspruch 5, wobei mindestens einer der Vielzahl von Bestandteilen eine Pulverzusammensetzung umfasst.
  7. Schaupackung nach Anspruch 5 oder 6, wobei mindestens eine der Vielzahl von Kammern eine flüssige Zusammensetzung umfasst.
EP04030420.6A 2000-11-27 2001-11-27 Verpackung für Waschmittel Expired - Lifetime EP1516918B2 (de)

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Application Number Priority Date Filing Date Title
DE60125847.9T DE60125847T3 (de) 2000-11-27 2001-11-27 Verpackung für Waschmittel

Applications Claiming Priority (11)

Application Number Priority Date Filing Date Title
GB0028821A GB0028821D0 (en) 2000-11-27 2000-11-27 Cleaning composition
GB0028821 2000-11-27
GB0028823A GB0028823D0 (en) 2000-11-27 2000-11-27 Cleaning methods and compositions
GB0028823 2000-11-27
US26546201P 2001-01-31 2001-01-31
US265462P 2001-01-31
GB0111131 2001-05-05
GB0111131A GB0111131D0 (en) 2001-05-05 2001-05-05 Cleaning composition
GB0127279A GB0127279D0 (en) 2001-11-14 2001-11-14 Detergent products methods and manufacture
GB0127279 2001-11-14
EP01987100.3A EP1337619B2 (de) 2000-11-27 2001-11-27 Reinigungsverfahren

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EP1516918A2 EP1516918A2 (de) 2005-03-23
EP1516918A3 EP1516918A3 (de) 2005-03-30
EP1516918B1 EP1516918B1 (de) 2007-01-03
EP1516918B2 true EP1516918B2 (de) 2015-07-01

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EP04021614A Revoked EP1484389B1 (de) 2000-11-27 2001-11-27 Reinigungsprodukte, Verfahren und Herstellung
EP04025305A Expired - Lifetime EP1504994B1 (de) 2000-11-27 2001-11-27 Verfahren zur Herstellung eines wasserlöslichen Beutels
EP04030420.6A Expired - Lifetime EP1516918B2 (de) 2000-11-27 2001-11-27 Verpackung für Waschmittel
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ES2606360T5 (es) 2001-01-31 2020-10-27 Procter & Gamble Aparato para conformar películas
EP1719713A3 (de) * 2001-05-08 2007-03-07 The Procter and Gamble Company kit bestehend aus wasserlöslichen oder-dipergierbaren Beuteln
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ES2240545T5 (es) 2013-10-28
ES2279287T3 (es) 2007-08-16
MXPA03004624A (es) 2003-09-05
ATE366698T1 (de) 2007-08-15
WO2002042408A2 (en) 2002-05-30
EP1516918A2 (de) 2005-03-23
DE60109483T2 (de) 2006-01-19
DE60109483D1 (de) 2005-04-21
ES2240545T3 (es) 2005-10-16
JP2009263670A (ja) 2009-11-12
EP1337619B2 (de) 2013-06-19
DE60119593T2 (de) 2007-05-03
PT1504994E (pt) 2007-10-17
ES2279287T5 (es) 2015-10-20
DE60139727D1 (de) 2009-10-08
EP1516918B1 (de) 2007-01-03
CA2592612A1 (en) 2002-05-30
ATE350460T1 (de) 2007-01-15
JP5697315B2 (ja) 2015-04-08
CA2592729A1 (en) 2002-05-30
ES2264784T3 (es) 2007-01-16
JP2006290466A (ja) 2006-10-26
JP4403150B2 (ja) 2010-01-20
ATE325861T1 (de) 2006-06-15
DE60109483T3 (de) 2013-11-14
EP1790713A2 (de) 2007-05-30
EP1504994B1 (de) 2007-07-11
DE60119593D1 (de) 2006-06-14
ES2329725T3 (es) 2009-11-30
JP2004514608A (ja) 2004-05-20
AU2002239349A1 (en) 2002-06-03
DE60125847D1 (de) 2007-02-15
WO2002042408A3 (en) 2003-04-17
EP1504994A3 (de) 2005-06-08
CA2592612C (en) 2008-07-29
EP1484389A1 (de) 2004-12-08
EP1337619A2 (de) 2003-08-27
CA2426645A1 (en) 2002-05-30
ES2289415T3 (es) 2008-02-01
EP1504994A2 (de) 2005-02-09
EP1337619B1 (de) 2005-03-16
EP1790713A3 (de) 2007-09-05
DE60129363T2 (de) 2008-04-03
EP1516918A3 (de) 2005-03-30
ATE440942T1 (de) 2009-09-15
ATE291077T1 (de) 2005-04-15
CA2592729C (en) 2011-02-22
CA2426645C (en) 2008-06-10
DE60125847T3 (de) 2015-12-03
PL362685A1 (en) 2004-11-02
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DE60129363D1 (de) 2007-08-23
EP1790713B1 (de) 2009-08-26

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