CA1069447A - Laminate film for use in vacuum packaging - Google Patents
Laminate film for use in vacuum packagingInfo
- Publication number
- CA1069447A CA1069447A CA229,675A CA229675A CA1069447A CA 1069447 A CA1069447 A CA 1069447A CA 229675 A CA229675 A CA 229675A CA 1069447 A CA1069447 A CA 1069447A
- Authority
- CA
- Canada
- Prior art keywords
- layer
- vinyl acetate
- films
- ethylene
- heat
- 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
Links
- 239000005001 laminate film Substances 0.000 title claims description 12
- 238000009461 vacuum packaging Methods 0.000 title abstract description 6
- 239000004698 Polyethylene Substances 0.000 claims abstract description 28
- -1 polyethylene Polymers 0.000 claims abstract description 28
- 229920000573 polyethylene Polymers 0.000 claims abstract description 26
- 230000004888 barrier function Effects 0.000 claims abstract description 23
- 239000000758 substrate Substances 0.000 claims abstract description 16
- 239000005038 ethylene vinyl acetate Substances 0.000 claims abstract description 11
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims abstract description 11
- 229920005989 resin Polymers 0.000 claims abstract description 10
- 239000011347 resin Substances 0.000 claims abstract description 10
- 239000004952 Polyamide Substances 0.000 claims abstract description 8
- 239000005026 oriented polypropylene Substances 0.000 claims abstract description 8
- 229920002647 polyamide Polymers 0.000 claims abstract description 8
- 239000000203 mixture Substances 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 17
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical group CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims description 14
- 229920003023 plastic Polymers 0.000 claims description 9
- 239000004033 plastic Substances 0.000 claims description 9
- 230000007062 hydrolysis Effects 0.000 claims description 6
- 238000006460 hydrolysis reaction Methods 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 239000000049 pigment Substances 0.000 claims description 3
- 239000012260 resinous material Substances 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 239000000020 Nitrocellulose Substances 0.000 abstract description 2
- 229920001220 nitrocellulos Polymers 0.000 abstract description 2
- 229920001577 copolymer Polymers 0.000 description 22
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 15
- 239000005977 Ethylene Substances 0.000 description 15
- 238000004806 packaging method and process Methods 0.000 description 11
- 150000002500 ions Chemical class 0.000 description 10
- 229920003345 Elvax® Polymers 0.000 description 6
- 150000001336 alkenes Chemical class 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 6
- 239000001993 wax Substances 0.000 description 6
- 229920001684 low density polyethylene Polymers 0.000 description 4
- 239000004702 low-density polyethylene Substances 0.000 description 4
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- 230000032683 aging Effects 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 229920002554 vinyl polymer Polymers 0.000 description 3
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical compound OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 description 2
- 229920002292 Nylon 6 Polymers 0.000 description 2
- 241001282736 Oriens Species 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000012188 paraffin wax Substances 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000003856 thermoforming Methods 0.000 description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 2
- BSYNRYMUTXBXSQ-UHFFFAOYSA-N Aspirin Chemical compound CC(=O)OC1=CC=CC=C1C(O)=O BSYNRYMUTXBXSQ-UHFFFAOYSA-N 0.000 description 1
- 229920001824 Barex® Polymers 0.000 description 1
- 229920000298 Cellophane Polymers 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 101000837192 Drosophila melanogaster Teneurin-m Proteins 0.000 description 1
- UOACKFBJUYNSLK-XRKIENNPSA-N Estradiol Cypionate Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H](C4=CC=C(O)C=C4CC3)CC[C@@]21C)C(=O)CCC1CCCC1 UOACKFBJUYNSLK-XRKIENNPSA-N 0.000 description 1
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 description 1
- BDAGIHXWWSANSR-UHFFFAOYSA-N Formic acid Chemical compound OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 1
- AYFVYJQAPQTCCC-GBXIJSLDSA-N L-threonine Chemical compound C[C@@H](O)[C@H](N)C(O)=O AYFVYJQAPQTCCC-GBXIJSLDSA-N 0.000 description 1
- 102000006835 Lamins Human genes 0.000 description 1
- 108010047294 Lamins Proteins 0.000 description 1
- 241000282337 Nasua nasua Species 0.000 description 1
- 229920001007 Nylon 4 Polymers 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000001464 adherent effect Effects 0.000 description 1
- 235000015241 bacon Nutrition 0.000 description 1
- 235000013351 cheese Nutrition 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 125000002573 ethenylidene group Chemical group [*]=C=C([H])[H] 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 229920000554 ionomer Polymers 0.000 description 1
- 210000005053 lamin Anatomy 0.000 description 1
- 235000015250 liver sausages Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012785 packaging film Substances 0.000 description 1
- 229920006280 packaging film Polymers 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000004627 regenerated cellulose Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009460 vacuum skin packaging Methods 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
- B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
-
- 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
- B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes or webs of flexible sheet material, e.g. in folded wrappers
- B65D75/26—Articles or materials wholly enclosed in laminated sheets or wrapper blanks
-
- 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
- B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes or webs of flexible sheet material, e.g. in folded wrappers
- B65D75/52—Details
- B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
- B65D75/5855—Peelable seals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/31—Heat sealable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
- B32B2309/08—Dimensions, e.g. volume
- B32B2309/10—Dimensions, e.g. volume linear, e.g. length, distance, width
- B32B2309/105—Thickness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2323/00—Polyalkenes
- B32B2323/04—Polyethylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2323/00—Polyalkenes
- B32B2323/10—Polypropylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2329/00—Polyvinylalcohols, polyvinylethers, polyvinylaldehydes, polyvinylketones or polyvinylketals
- B32B2329/04—Polyvinylalcohol
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2377/00—Polyamides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2439/00—Containers; Receptacles
- B32B2439/40—Closed containers
- B32B2439/46—Bags
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2439/00—Containers; Receptacles
- B32B2439/70—Food packaging
-
- 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
- B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes or webs of flexible sheet material, e.g. in folded wrappers
- B65D75/28—Articles or materials wholly enclosed in composite wrappers, i.e. wrappers formed by associating or interconnecting two or more sheets or blanks
- B65D75/30—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding
- B65D75/32—Articles or materials enclosed between two opposed sheets or blanks having their margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding one or both sheets or blanks being recessed to accommodate contents
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
- Packages (AREA)
- Wrappers (AREA)
- Bag Frames (AREA)
- Basic Packing Technique (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB27514/74A GB1510115A (en) | 1974-06-20 | 1974-06-20 | Laminate film for use in vacuum packaging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1069447A true CA1069447A (en) | 1980-01-08 |
Family
ID=10260813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA229,675A Expired CA1069447A (en) | 1974-06-20 | 1975-06-19 | Laminate film for use in vacuum packaging |
Country Status (12)
| Country | Link |
|---|---|
| JP (1) | JPS5113876A (it) |
| AU (1) | AU8222675A (it) |
| BE (1) | BE830377A (it) |
| CA (1) | CA1069447A (it) |
| CH (1) | CH605271A5 (it) |
| DE (1) | DE2527166A1 (it) |
| DK (1) | DK278075A (it) |
| FR (1) | FR2275377A1 (it) |
| GB (1) | GB1510115A (it) |
| IT (1) | IT1039102B (it) |
| NL (1) | NL7507252A (it) |
| SE (1) | SE7507044L (it) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4064296A (en) * | 1975-10-02 | 1977-12-20 | W. R. Grace & Co. | Heat shrinkable multi-layer film of hydrolyzed ethylene vinyl acetate and a cross-linked olefin polymer |
| GB1579872A (en) * | 1977-03-08 | 1980-11-26 | Ucb Sa | Cylindrical container body for packaging pressurised and nonpressurised materials |
| GB2048775B (en) * | 1979-05-11 | 1983-11-02 | American Can Co | Foodstuff packaging materials |
| US4355721A (en) | 1979-05-11 | 1982-10-26 | American Can Company | Package for food products |
| US4526821A (en) * | 1979-07-20 | 1985-07-02 | American Can Company | Multi-layer container and method of making same |
| US4956210A (en) * | 1980-04-15 | 1990-09-11 | Quantum Chemical Corporation | Flexible film laminates and packaging |
| JPS58142848A (ja) * | 1982-02-19 | 1983-08-25 | 呉羽化学工業株式会社 | 積層フイルム |
| JPS58192552A (ja) * | 1982-05-06 | 1983-11-10 | テルモ株式会社 | 薬液を収容してなる合成樹脂製医療用バッグを収納した包装容器 |
| EP0100796B1 (en) * | 1982-08-06 | 1986-07-30 | Malter-Daries, Jay | Plastics material film sheet having a preselected weakened area, process for its manufacture and package made therefrom |
| US4546882A (en) * | 1983-02-07 | 1985-10-15 | American Can Company | Package having oil-containing product |
| US5523045A (en) | 1983-04-13 | 1996-06-04 | American National Can Company | Methods for injection molding and blow-molding multi-layer plastic articles |
| US5037285A (en) | 1983-04-13 | 1991-08-06 | American National Can Company | Apparatus for injection molding and injection blow molding multi-layer articles |
| US6129960A (en) | 1983-04-13 | 2000-10-10 | Pechiney Plastic Packaging, Inc. | Methods and apparatus for injection molding and injection blow molding multi-layer plastic and the articles made thereby |
| GB2166369B (en) * | 1984-09-18 | 1988-01-20 | Moplefan Spa | Packing film |
| EP0243510B1 (en) * | 1986-04-15 | 1991-10-02 | W.R. Grace & Co.-Conn. | Multilayer packaging film |
| DE3706618A1 (de) * | 1987-03-01 | 1988-09-15 | Wolff Walsrode Ag | Verfahren zur verlaengerung der haltbarkeit von guetern und dafuer geeignete beutel |
| US4927677A (en) * | 1987-04-28 | 1990-05-22 | Nikka Co., Ltd. | Composite materials and top materials for retort container |
| US4915963A (en) * | 1987-11-30 | 1990-04-10 | Viskase Corporation | Method for preparing a cooked meat product package |
| GB2218669B (en) * | 1988-05-20 | 1992-07-08 | Grace W R & Co | Multi-layer packaging film and process |
| DE4130485A1 (de) * | 1991-08-23 | 1993-02-25 | Wolff Walsrode Ag | Coextrudierte biaxial gereckte schlauchfolie |
| FR2711971B1 (fr) * | 1993-11-04 | 1996-01-26 | Cmb Flexible | Feuille composite d'emballage, et sachet d'emballage constitué à partir d'une telle feuille. |
| US7313900B2 (en) | 2003-02-21 | 2008-01-01 | Cryovac, Inc. | Method and apparatus for manufacturing an easy-to-open package |
| WO2023170320A1 (es) * | 2022-03-11 | 2023-09-14 | ULMA Packaging, S.Coop. | Método de control para una máquina de envasado y máquina de envasado asociada |
-
1974
- 1974-06-20 GB GB27514/74A patent/GB1510115A/en not_active Expired
-
1975
- 1975-06-18 FR FR7519152A patent/FR2275377A1/fr active Granted
- 1975-06-18 IT IT7524524A patent/IT1039102B/it active
- 1975-06-18 AU AU82226/75A patent/AU8222675A/en not_active Expired
- 1975-06-18 DE DE19752527166 patent/DE2527166A1/de not_active Withdrawn
- 1975-06-18 BE BE157451A patent/BE830377A/xx not_active IP Right Cessation
- 1975-06-18 SE SE7507044A patent/SE7507044L/xx unknown
- 1975-06-18 NL NL7507252A patent/NL7507252A/xx not_active Application Discontinuation
- 1975-06-19 DK DK278075A patent/DK278075A/da not_active Application Discontinuation
- 1975-06-19 JP JP50073833A patent/JPS5113876A/ja active Pending
- 1975-06-19 CA CA229,675A patent/CA1069447A/en not_active Expired
- 1975-06-19 CH CH800175A patent/CH605271A5/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2527166A1 (de) | 1976-01-08 |
| CH605271A5 (it) | 1978-09-29 |
| AU8222675A (en) | 1976-12-23 |
| IT1039102B (it) | 1979-12-10 |
| GB1510115A (en) | 1978-05-10 |
| FR2275377B1 (it) | 1981-06-26 |
| JPS5113876A (en) | 1976-02-03 |
| BE830377A (fr) | 1975-10-16 |
| DK278075A (da) | 1975-12-21 |
| NL7507252A (nl) | 1975-12-23 |
| FR2275377A1 (fr) | 1976-01-16 |
| SE7507044L (sv) | 1975-12-22 |
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| JPH07137216A (ja) | 易開封性フィルム | |
| GB2328673A (en) | Patch bag comprising homogeneous ethylene/alpha-olefin copolymer |
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