GB547688A - Improvements in washing agents and in the manufacture thereof - Google Patents

Improvements in washing agents and in the manufacture thereof

Info

Publication number
GB547688A
GB547688A GB504241A GB504241A GB547688A GB 547688 A GB547688 A GB 547688A GB 504241 A GB504241 A GB 504241A GB 504241 A GB504241 A GB 504241A GB 547688 A GB547688 A GB 547688A
Authority
GB
United Kingdom
Prior art keywords
salt
pyro
polyphosphate
detergent
per cent
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
GB504241A
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.)
CONRAD BEVAN BROWN
Unilever PLC
Lever Brothers and Unilever Ltd
Original Assignee
CONRAD BEVAN BROWN
Unilever PLC
Lever Brothers and Unilever Ltd
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
Application filed by CONRAD BEVAN BROWN, Unilever PLC, Lever Brothers and Unilever Ltd filed Critical CONRAD BEVAN BROWN
Priority to GB504241A priority Critical patent/GB547688A/en
Publication of GB547688A publication Critical patent/GB547688A/en
Expired legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/02Inorganic compounds ; Elemental compounds
    • C11D3/04Water-soluble compounds
    • C11D3/06Phosphates, including polyphosphates
    • CCHEMISTRY; METALLURGY
    • C11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D11/00Special methods for preparing compositions containing mixtures of detergents

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)
  • Inorganic Chemistry (AREA)
  • Detergent Compositions (AREA)

Abstract

547,688. Cleansing compositions. LEVER BROS. & UNILEVER, Ltd., THOMAS, R., and BROWN, C. B. April 18, 1941, Nos. 5042 and 9242. [Class 91] In the production of a washing agent comprising a mixture of a non-soapy detergent with a pyro-phosphate or a polyphosphate of an alkali metal, the detergent used being a compound admixed with sodium chloride or sulphate or other neutral salt produced during its manufacture, the salt is substantially removed prior to mixing the non-soapy detergent with the pyro- or polyphosphate. The class of detergents used comprises the sodium salts of sulphated or sulphonated fatty alcohols and the condensation compounds of isethionic acid, taurine, sarcosine, or metaniline with fatty acid radicals, e.g. the substances known under the Registered Trade Marks " Igepon " and " Gardinol." The desalted washing agent produced is equally effective for washing cotton goods as for silk or woollen goods. The salt content is reduced to below ten per cent. and preferably below five per cent. The salt is removed by extraction with a suitable solvent such as alcohol. The proportion of pyro-or polyphosphate on an. anhydrous basis in the mixture ranges from 50 to 150 per cent. by weight of the desalted non-soapy detergent. The polyphosphates specified comprise sodium triphosphate and sodium tetraphosphate; as an example of a pyrophosphate, tetrasodium pyrophosphate is specified.
GB504241A 1941-04-18 1941-04-18 Improvements in washing agents and in the manufacture thereof Expired GB547688A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB504241A GB547688A (en) 1941-04-18 1941-04-18 Improvements in washing agents and in the manufacture thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB504241A GB547688A (en) 1941-04-18 1941-04-18 Improvements in washing agents and in the manufacture thereof

Publications (1)

Publication Number Publication Date
GB547688A true GB547688A (en) 1942-09-07

Family

ID=9788650

Family Applications (1)

Application Number Title Priority Date Filing Date
GB504241A Expired GB547688A (en) 1941-04-18 1941-04-18 Improvements in washing agents and in the manufacture thereof

Country Status (1)

Country Link
GB (1) GB547688A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2486922A (en) * 1945-11-09 1949-11-01 Procter & Gamble Stabilized detergent composition
US2486921A (en) * 1944-10-16 1949-11-01 Procter & Gamble Detergent composition
US2581677A (en) * 1952-01-08 Phosphate detergent composition in

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2581677A (en) * 1952-01-08 Phosphate detergent composition in
US2486921A (en) * 1944-10-16 1949-11-01 Procter & Gamble Detergent composition
US2486922A (en) * 1945-11-09 1949-11-01 Procter & Gamble Stabilized detergent composition

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