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Sulfated alkyl ethoxylate-containing detergent composition

  • US 3,915,903 A
  • Filed: 06/11/1973
  • Issued: 10/28/1975
  • Est. Priority Date: 07/03/1972
  • Status: Expired due to Term
First Claim
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1. A PROCESS FOR EFFICIENTLY PRODUCING A CRISP, FREE-FLOWING BUILT DETERGENT COMPOSITION BY SPRAY DRYING AN AQUEOUS SLURRY HAVING THEREIN INCLUDED A MINOR AMOUNT OF A PROCESSING AIDTO REDUCE THE VISCOSITY OF THE SLURRY COMPRISING:

  • A. FORMING AN AQUEOUS SLURRY CONSISTING ESSENTIALLY OF (1) FROM 7% TO 55% OF AN ALKALINE DETERGENCY BUILDER (2) FROM 4% TO 35% OF A WATER-SOLUBLE SALT OF A SULFATED PRIMARY ALKYL ETHOXYLATE HAVING FROM 10 TO 22 CARBON ATOMS IN THE ALKYL CHAIN AND FROM 1 TO 20 ETHYLENE OXIDE GROUPS, (3) SAID MINOR AMOUNT OF THE PROCESSING AID CHARACTERIZED IN ACTING AS A HYDROTROPE IN REDUCING THE VISCOSITY OF THE SLURRY, SAID PROCESSING SAID BEING AWATERSOLUBLE SALT OF AN ORGANIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF SULFOSUCCINIC ACID, SULFOACETIC ACID SULFOPHTALIC ACID, AND M-SULFOBENZOIC ACID WHEREIN THE PROCESSING AID IS PRESENT IN A WEIGHT RATIO OF PROCESSING SAID TO SULFATED ALKYL ETOXYLATE OF FROM 1;

    40 TO 1;

    2, AND (4) THE BALANCE WATER, AND B.SPRAY-DRYING THE SLURRY TO FORM CRISP, FREE-FLOWING GRANULES.

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