Patent · US Expired

UV-light-absorbing quaternary polysiloxanes

US6630132B2 · kind B2 · utility

8Cited by

0References

20Claims

0Family size

Assignee

GOLDSCHMIDT HOLDING GMBH · DE

Inventors

Michael Fender · Colorado Springs, US
Manfred Krakenberg · Essen, DE
Holger Leidreiter · Essen, DE
Sascha Oestreich · Essen, DE

Key dates

Filing date	Aug 12, 2002
Grant date	Oct 7, 2003
Priority date	—
Expiry date	Aug 12, 2022

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K2800/57
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The present invention relates to UV-light-absorbing quaternary polysiloxanes that exert a care effect on natural or synthetic fibers, exhibit high substantivity to fibers, and offer protection against damage caused by UV-light. The UV-light-absorbing quaternary compounds can be used in formulations for textile care products and cosmetic, including skin and hair, products.

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