C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 3/39 (2006.01) C11D 3/37 (2006.01) C11D 3/395 (2006.01) C11D 11/02 (2006.01) C11D 17/00 (2006.01) C11D 17/06 (2006.01)
Patent
CA 2141587
2141587 9403568 PCTABS00030 A granular laundry detergent composition is disclosed having a bulk density of at least 650 g/l which comprises (a) discrete particles comprising from 25 % by weight to 60 % by weight of anionic surfactant; (b) inorganic perhydrate bleach; (c) peroxyacid bleach precursor, wherein the peroxyacid bleach precursor is coated, the coating material being selected from water-soluble acidic polymers. The composition has a low tendency to form a gel upon contact with water, and minimises damage to delicate, coloured fabrics. A process for making a granular laundry detergent composition which has a low tendency to form a gel upon contact with water is also disclosed.
Dovey Anthony
Sorrie Graham Alexander
Kirby Eades Gale Baker
The Procter & Gamble Company
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