Patent · US Expired

Copolymers of unsaturated carboxylic acids and use thereof

US4963629A · kind A · utility

31Cited by

2References

16Claims

0Family size

Assignee

Grillo-Werke AG · DE

Inventors

Klaus Driemel · Duisburg, DE
Klaus Bunthoff · Duisburg, DE
Helmut Nies · Rheinberg, DE
Dieter Rohe · Dinslaken, DE

Key dates

Filing date	Aug 10, 1989
Grant date	Oct 16, 1990
Priority date	—
Expiry date	Aug 10, 2009

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08F220/04
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Copolymers of unsaturated carboxylic acids with alkaline solutions of monosaccharides or disaccharides capable of forming enolates provide polycarboxylates which are excellently suitable as sequestrants, complexing agents and co-builders in washing and cleaning agents.

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