Patent · US Expired

Linear polyamino and/or polyammonium polysiloxane copolymers II

US7563856B2 · kind B2 · utility

16Cited by

5References

14Claims

0Family size

Assignee

Momentive Performance Materials GmbH · US

Inventors

Horst Lange · Bochum, DE
Anita Witossek · Langenfeld, DE
Roland Wagner · Feldkirchen-Westerham, DE
Karl-Heinz Stachulla · Leverkusen, DE
Andrew Russell Graydon · Birtley, GB
Richard Timothy Hartshorn · Wylam, GB
Jean-Pol Boutique · Gembloux, BE
Patrick Firmin August Delplanque · Laarne, BE
James Pyott Johnston · Overijse, BE
Karl-Heinz Sockel · Leverkusen, DE

Key dates

Filing date	Oct 31, 2003
Grant date	Jul 21, 2009
Priority date	—
Expiry date	Oct 11, 2024

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61Q5/02
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The invention relates to linear polyamino- and/or polyammonium-polysiloxane copolymers, particularly hydrophilic polyquaternary polysiloxane copolymers, and to their use in cosmetic formulations, in laundry detergents or for surface-treating substrates.

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