DE3462923D1 - Granular detergents with a low phosphate content, and method for their preparation - Google Patents

Granular detergents with a low phosphate content, and method for their preparation

Info

Publication number
DE3462923D1
DE3462923D1 DE8484401588T DE3462923T DE3462923D1 DE 3462923 D1 DE3462923 D1 DE 3462923D1 DE 8484401588 T DE8484401588 T DE 8484401588T DE 3462923 T DE3462923 T DE 3462923T DE 3462923 D1 DE3462923 D1 DE 3462923D1
Authority
DE
Germany
Prior art keywords
degrees
weight
surface active
ionic surface
sodium
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
DE8484401588T
Other languages
German (de)
Inventor
Joaquim Barba
Josep M Ros
Josep M Vila
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.)
CAMP SA
Original Assignee
CAMP SA
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=9292560&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3462923(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by CAMP SA filed Critical CAMP SA
Application granted granted Critical
Publication of DE3462923D1 publication Critical patent/DE3462923D1/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C11D17/0039—Coated compositions or coated components in the compositions, (micro)capsules
    • 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
    • C11D11/00—Special methods for preparing compositions containing mixtures of detergents
    • C11D11/02—Preparation in the form of powder by spray drying

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Detergent Compositions (AREA)

Abstract

1. A method of preparing granular detergents with a low phosphate content, that is with a content of between 10% and 25% of sodium tripolyphosphate and a combined content of sodium orthophosphate and of sodium pyrophosphate of less than about 2% by weight and preferably less than about 1% by weight, and containing non-ionic surface active agents amounting to about 10% by weight of the whole composition, the method comprising forming an essentially hot aqueous suspension with thermostable constituents, drying the suspension in an atomising tower, mixing the atomised base with sodium tripolyphosphate and the other thermosensitive constituents, and then agglomerating the solid components by pulverisation with the assistance of a non-ionic surface active agent until there are obtained essentially homogeneous granules with little tendency to glutination, and the method being characterised in that the whole of the sodium tripolyphosphate is not subjected to the phases of hot aqueous suspension or atomisation, and in that, during the agglomeration phase, the temperature of the non-ionic surface active agent is between 25 degrees C and 80 degrees C, and preferably between 50 degrees C and 70 degrees C.
DE8484401588T 1983-09-27 1984-07-27 Granular detergents with a low phosphate content, and method for their preparation Expired DE3462923D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8315306A FR2552446B1 (en) 1983-09-27 1983-09-27 GRANULAR DETERGENTS WITH LOW PHOSPHATE CONTENT, AND PROCESS FOR PRODUCING THE SAME

Publications (1)

Publication Number Publication Date
DE3462923D1 true DE3462923D1 (en) 1987-05-07

Family

ID=9292560

Family Applications (2)

Application Number Title Priority Date Filing Date
DE8484401588T Expired DE3462923D1 (en) 1983-09-27 1984-07-27 Granular detergents with a low phosphate content, and method for their preparation
DE198484401588T Pending DE139547T1 (en) 1983-09-27 1984-07-27 GRANULATED CLEANING AGENTS WITH LOW PHOSPHATE CONTENT AND METHOD FOR THE PRODUCTION THEREOF.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE198484401588T Pending DE139547T1 (en) 1983-09-27 1984-07-27 GRANULATED CLEANING AGENTS WITH LOW PHOSPHATE CONTENT AND METHOD FOR THE PRODUCTION THEREOF.

Country Status (5)

Country Link
EP (1) EP0139547B1 (en)
AT (1) ATE26300T1 (en)
DE (2) DE3462923D1 (en)
ES (1) ES534997A0 (en)
FR (1) FR2552446B1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2617183B2 (en) * 1983-09-27 1990-01-05 Camp Sa IMPROVEMENTS IN THE PROCESS FOR OBTAINING GRANULAR DETERGENTS WITH A LOW PHOSPHATE CONTENT
CA1297376C (en) * 1985-11-01 1992-03-17 David Philip Jones Detergent compositions, components therefor, and processes for theirpreparation
US4762636A (en) * 1986-02-28 1988-08-09 Ciba-Geigy Corporation Process for the preparation of granules containing an active substance and to the use thereof as speckles for treating substrates
US5565422A (en) * 1995-06-23 1996-10-15 The Procter & Gamble Company Process for preparing a free-flowing particulate detergent composition having improved solubility

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1107870B (en) * 1959-01-22 1961-05-31 Budenheim Rud A Oetker Chemie Process for the production of non-dusting washing, cleaning, rinsing and degreasing agents
US3849327A (en) * 1971-11-30 1974-11-19 Colgate Palmolive Co Manufacture of free-flowing particulate heavy duty synthetic detergent composition containing nonionic detergent and anti-redeposition agent
US4006110A (en) * 1971-11-30 1977-02-01 Colgate-Palmolive Company Manufacture of free-flowing particulate heavy duty synthetic detergent composition
US4136051A (en) * 1974-02-25 1979-01-23 Henkel Kommanditgesellschaft Auf Aktien (Henkel Kgaa) Pourable washing compositions containing a luminosilicates and non-ionics and method for their preparation
ATE3056T1 (en) * 1978-10-03 1983-04-15 Unilever Nv DETERGENT COMPOSITIONS.
NZ191691A (en) * 1978-10-03 1982-02-23 Unilever Ltd Preparation of particulate alkaline detergent compositions by spray drying

Also Published As

Publication number Publication date
ES8504921A1 (en) 1985-04-16
EP0139547A1 (en) 1985-05-02
ATE26300T1 (en) 1987-04-15
FR2552446A1 (en) 1985-03-29
DE139547T1 (en) 1985-08-29
FR2552446B1 (en) 1985-12-20
EP0139547B1 (en) 1987-04-01
ES534997A0 (en) 1985-04-16

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8331 Complete revocation