Detergent compositions with copolymers of...

C - Chemistry – Metallurgy – 08 – F

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402/306, 134/3.3

C08F 222/06 (2006.01) C08F 8/00 (2006.01) C08F 222/04 (2006.01) C11D 3/37 (2006.01)

Patent

CA 2005139

O.Z. 0050/40455 Abstract of the Disclosure: Pulverulent and liquid detergents contain (1) one or more anionic surfactants, one or more nonionic surfactants or mixtures thereof and (2) copolymers in amounts of from 0.1 to 15 % by weight preparable by copolymerization of (a) from 10 to 55 mol % of a 1,2-di-C1-C4-alkoxyethylene, (b) from 10 to 60 mol % of a monoethylenically unsatur- ated dicarboxylic anhydride of from 4 to 8 carbon atoms, (c) from 0 to 60 mol % of a monoethylenically unsatur- ated C3-C8-monocarboxylic acid and (d) from 0 to 20 mol % of another monoethylenically unsaturated monomer and subsequent hydrolysis of the anhydride groups of the copolymerized monomer (b) or reaction of these groups with an alcohol or an amino.

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