Patent · US Expired

Polymers, process for their preparation and their use as bleach activators having builder properties

US5133894A · kind A · utility

3Cited by

2References

16Claims

0Family size

Assignee

Hoechst GmbH · DE

Inventors

Hanspeter Gethoffer · Frankfurt am Main, DE
Gerd Reinhardt · Kelkheim, DE
Dennis Miller · Kelkheim, DE

Key dates

Filing date	Apr 8, 1991
Grant date	Jul 28, 1992
Priority date	—
Expiry date	Apr 8, 2011

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC11D3/391
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Polymers composed of 5 to 100% by weight of one or more acylals of the formula I ##STR1## and 95 to 0% by weight of one or more unsaturated carboxylic acids of the formula II ##STR2## the symbols R.sup.1, R.sup.2 R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7, R.sup.8, R.sup.9 and M having the meanings given in the description. These polymers are suitable as bleach activators in detergent compositions and, at the same time, have a builder action.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.