Patent · US Active

Use of branched polyesters based on citric acid as additive in washing compositions, detergents or a formulation for water treatment

US10179891B2 · kind B2 · utility

1Cited by

12References

11Claims

0Family size

Assignee

BASF SE

Inventors

Jürgen Detering · Schifferstadt, DE
Monika Haberecht · Ludwigshafen, DE
Anna Müller-Cristadoro · Idstein, DE
Heike Weber · Mannheim, DE

Key dates

Filing date	Jul 25, 2013
Grant date	Jan 15, 2019
Priority date	—
Expiry date	Jul 15, 2036

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC02F2103/08
WIPO fieldEnvironmental technology
WIPO sectorChemistry

Abstract

The present invention relates to the use of branched polyesters obtainable by polycondensation of citric acid with at least one polyalcohol, and optionally with polycarboxylic acid component as additive in washing compositions, cleaners, detergents or a formulation for water treatment and to mixtures comprising such branched polyesters. The invention further relates to the use of hydrophobically modified branched polyesters, and to the method for cleaning, washing or water treatment using such branched polyesters.

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