Patent · US Active

Polyglycerol esters and their use

US8664175B2 · kind B2 · utility

3Cited by

5References

14Claims

0Family size

Assignee

EVONIK GOLDSCHMIDT GMBH · DE

Inventors

Hans Henning Wenk · Mülheim an der Ruhr, DE
Peter Lersch · Oberhausen, DE
Ulrike Kottke · Geislitz, DE

Key dates

Filing date	Jan 12, 2011
Grant date	Mar 4, 2014
Priority date	—
Expiry date	Jan 12, 2031

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G2650/54
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The present invention relates to polyglycerol partial esters of linear, unsubstituted carboxylic acids and bifunctional carboxylic acids with the provisos that the polyglycerol partial ester comprises an HLB-value from 2 to 10 and that the polyglycerol obtained by hydrolysis or alcoholysis of the polyglycerol partial ester comprises an average degree of polymerization of from 2 to 8 and at least 1% of the polyglycerol comprises cyclic structures. The present invention also relates to the preparation thereof and their use in fabric and textile care products.

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