Soil Release Polymers and detergent compositions containing them

Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – For cleaning a specific substrate or removing a specific...

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510421, 528272, 528300, 528308, 5283086, C11D 300, C11D 1700, C08G 6300, C08G 6366

Patent

active

057863180

ABSTRACT:
A water-soluble copolyester comprising units of a polyglycol or capped polyglycol (for example, polyethylene glycol or polyethylene glycol methyl ether), an aromatic dicarboxylic acid (for example, terephthalic acid) and at least 30 mole % of a polyol having at least three hydroxyl groups (for example, glycerol), but free of ethylene glycol units, is a highly effective soil release polymer for use in detergent compositions. The aromatic dicarboxylic acid units may include units of a sulphonated aromatic dicarboxylic acid (for example, sulphoisophthalic acid).

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patent: 4132680 (1979-01-01), Nicol
patent: 5142020 (1992-08-01), Kud et al.
patent: 5489481 (1996-02-01), Hager et al.
patent: 5595681 (1997-01-01), Panandiker et al.
Great Britain Search Report in Great Britain Patent Application No. 9513799.8.
Derwent Abstract of JP 62298437 A.

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