C - Chemistry – Metallurgy – 11 – D
Patent
C - Chemistry, Metallurgy
11
D
134/3.3
C11D 3/37 (2006.01)
Patent
CA 2001660
O.Z. 0050/40331 Abstract of the Disclosure: Liquid detergent formula- tions contain as essential constituents a surfactant and 0.1-20% by weight of a copolymer which contains (a) 50-99 mol% of units of a monoethylenically unsatu- rated C3-C8-monocarboxylic acid, a monoethylenically unsaturated C4-C8-dicarboxylic acid, a half ester of a monoethylenically unsaturated C4-C8-dicarboxylic acid, an ester of a monoethylenically unsaturated C3-C8-monocarboxylic acid, a C2-C30-olefin, styrene, a C1-C3-alkylstyrene, a C1-C28-alkyl vinyl ether, a vinyl ester of a saturated C1-C8-monocarboxylic acid or a mixture thereof and (b) 50-1 mol% of units of an amide of a monoethyleni- cally uncaturated C3-C8-carboxylic acid where the amide groups have the structure Image , where R1 is C8-C28-alkyl or Image R3 and R4 are each H, CH3 or C2H5, R is C1-C28-alkyl, n is from 2 to 100 and R2 is H or R1, and has a K value of from 8 to 200, or a salt thereof.
Denzinger Walter
Diessel Paul
Hartmann Heinrich
Oftring Alfred
Perner Johannes
Basf Aktiengesellschaft
Borden Ladner Gervais Llp
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