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GB1300507A - Production of non-caking blends of sodium tripolyphosphate hexahydrate and sodium nitrilotriacetate monohydrate or dihydrate - Google Patents

Production of non-caking blends of sodium tripolyphosphate hexahydrate and sodium nitrilotriacetate monohydrate or dihydrate

Info

Publication number
GB1300507A
GB1300507A GB2212371A GB2212371A GB1300507A GB 1300507 A GB1300507 A GB 1300507A GB 2212371 A GB2212371 A GB 2212371A GB 2212371 A GB2212371 A GB 2212371A GB 1300507 A GB1300507 A GB 1300507A
Authority
GB
United Kingdom
Prior art keywords
sodium tripolyphosphate
sodium
nitrilotriacetate
anhydrous sodium
blend
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
Application number
GB2212371A
Inventor
Gero Heymer
Joachim Kandler
Herbert Landgraber
Karl Merkenich
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.)
Knapsack AG
Original Assignee
Knapsack AG
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
Priority claimed from DE19681767780 external-priority patent/DE1767780C3/en
Priority claimed from DE19702007825 external-priority patent/DE2007825C3/en
Priority claimed from DE19702007861 external-priority patent/DE2007861C3/en
Application filed by Knapsack AG filed Critical Knapsack AG
Publication of GB1300507A publication Critical patent/GB1300507A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/30—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic using agents to prevent the granules sticking together; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • 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
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/04—Water-soluble compounds
    • C11D3/06—Phosphates, including polyphosphates
    • C11D3/062—Special methods concerning phosphates
    • 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
    • C11D3/26—Organic compounds containing nitrogen
    • C11D3/33—Amino carboxylic acids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Inorganic Chemistry (AREA)
  • Medicinal Preparation (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

1300507 Blend of sodium tripolyphosphate and sodium nitrilotriacetate KNAPSACK AG 19 April 1971 [20 Feb 1970(2)] 22123/71 Addition to 1219749 Heading C5D A non-caking blend of sodium tripolyphosphate hexahydrate and sodium nitrilotriacetate monohydrate or dihydrate is prepared by spraying water or an aqueous solution as hereinafter defined having a temperature of between 0 and 80‹ C., on to anhydrous sodium tripolyphosphate or a blend of anhydrous sodium tripolyphosphate and sodium nitrilotriacetate, which is constantly agitated, the aqueous solution being used in quantities sufficient to provide all the water needed for the formation of the hexahydrate and when an excess proportion of water is used simultaneously flowing a gas and/or air stream over the sprayed material to evaporate the water in excess. The aqueous solution contains (a) a portion of the anhydrous sodium tripolyphosphate, (b) a portion of the anhydrous sodium tripolyphosphate or (c) a portion or the whole of the sodium nitrilotriacetate together with a portion of the anhydrous sodium tripolyphosphate. When water alone is the spray, the blend to be sprayed contains the overall quantity of the anhydrous sodium tripolyphosphate and sodium nitrilotriacetate. Carboxymethyl cellulose may be incorporated as a binder. The blends may contain 20-70% by wt. of sodium nitrilotriacetate.
GB2212371A 1968-06-18 1971-04-19 Production of non-caking blends of sodium tripolyphosphate hexahydrate and sodium nitrilotriacetate monohydrate or dihydrate Expired GB1300507A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19681767780 DE1767780C3 (en) 1968-06-18 Process for the production of non-baking mixtures from sodium tripolyphosphate hexahydrate and sodium nitrilotriacetate mono or dihydrate and the use of these mixtures as detergents, cleaning agents or rinsing agents
DE19702007825 DE2007825C3 (en) 1968-06-18 1970-02-20 Process for the production of non-baking mixtures from sodium tripolyphosphate hexahydrate and sodium nitrilotriacetate mono- or dihydrate, and the use of these mixtures as detergents, cleaning agents or rinsing agents
DE19702007861 DE2007861C3 (en) 1968-06-18 1970-02-20 Process for the production of non-baking mixtures from sodium tripolyphosphate hexahydrate and sodium nitrilotriacetate mono- or dihydrate and the use of these mixtures as detergents, cleaning agents or rinsing agents

Publications (1)

Publication Number Publication Date
GB1300507A true GB1300507A (en) 1972-12-20

Family

ID=27181266

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2212371A Expired GB1300507A (en) 1968-06-18 1971-04-19 Production of non-caking blends of sodium tripolyphosphate hexahydrate and sodium nitrilotriacetate monohydrate or dihydrate

Country Status (7)

Country Link
AT (1) AT304740B (en)
BE (1) BE763089R (en)
CH (1) CH561276A5 (en)
DK (1) DK131872A (en)
FR (1) FR2085597B2 (en)
GB (1) GB1300507A (en)
NL (1) NL167193C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010076291A1 (en) * 2008-12-29 2010-07-08 Akzo Nobel N.V. Coated particles of a chelating agent
US9096820B2 (en) 2009-12-24 2015-08-04 Akzo Nobel Chemicals International B.V. Coated particles of a glumatic acid N,N-diacetate chelating agent

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010076291A1 (en) * 2008-12-29 2010-07-08 Akzo Nobel N.V. Coated particles of a chelating agent
US9096820B2 (en) 2009-12-24 2015-08-04 Akzo Nobel Chemicals International B.V. Coated particles of a glumatic acid N,N-diacetate chelating agent

Also Published As

Publication number Publication date
NL167193B (en) 1981-06-16
FR2085597A2 (en) 1971-12-24
DK131872A (en)
NL7102171A (en) 1971-08-24
BE763089R (en) 1971-08-17
FR2085597B2 (en) 1982-01-29
AT304740B (en) 1973-01-25
NL167193C (en) 1981-11-16
CH561276A5 (en) 1975-04-30

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee