C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 17/06 (2006.01) C11D 3/12 (2006.01) C11D 3/20 (2006.01) C11D 11/00 (2006.01)
Patent
CA 2085351
2,2'-oxodisuccinate detergent builder salts (ODS), especially tetrasodium 2,2'oxodisuccinate, are difficult to dry and tend to pick up water due to the hygroscopicity of the 2,2'-oxodisuccinate; yet the present invention secures inproved granular built detergent compositions comprising ODS by an aqueous ODS/zeolite coagglomeration process, the resulting agglomerate being remarkably stable and nonhygroscopic. Other detergent ingredients, such as perborate bleach, surfactants and the like, can be dry-mixed with the agglomerates to form fully-formulated granular detergents. The invention encompasses the agglomeration process, the ODS agglomerates and granular detergent compositions containing same.
Mermelstein Robert
Shaw John Henry Jr.
Kirby Eades Gale Baker
The Procter & Gamble Company
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