Polycarboxylate polymers and detergent compositions...

C - Chemistry – Metallurgy – 07 – C

Patent

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402/307, 402/318

C07C 69/675 (2006.01) C08F 8/14 (2006.01) C08F 18/14 (2006.01) C11D 3/37 (2006.01)

Patent

CA 2031987

ABSTRACT Certain polycarboxylate compounds, containing pendant dicarboxylic acid groups joined to a main chain by means of an ester linkage, are effective sequestrants of divalent and polyvalent metal ions and are useful as builders in detergent compositions. Preferred compounds are polyvinyl citrate and polyallyl citrate.

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