C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
C11D 3/10 (2006.01) C11D 3/37 (2006.01) C11D 7/42 (2006.01) C11D 1/02 (2006.01) C11D 1/66 (2006.01)
Patent
CA 2273310
A laundry detergent composition in which the solids content comprises an active surfactant, at least about 60 wt.% based on the weight of the solids of a soluble alkaline carbonate builder, and a minor amount of a carboxylic polymer which is a copolymer of about 70 to about 95 wt.% of acrylic acid and about to about 30 wt.% of maleic acid based on the weight of the polymer, such copolymer having a number average molecular weight of about 1500 to about 2500. Preferably the composition also contains a minor amount of a protease enzyme.
Carr Charles D.
Church & Dwight Co. Inc.
Smart & Biggar
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