Patent · US Expired

Polypeptide-polysiloxane copolymers

US6358501B1 · kind B1 · utility

19Cited by

10References

17Claims

0Family size

Assignee

GOLDSCHMIDT HOLDING GMBH · DE

Inventors

Thomas Dietz · Richmond, US
Peter Lersch · Oberhausen, DE
Christian Weitemeyer · Essen, DE

Key dates

Filing date	Oct 15, 1999
Grant date	Mar 19, 2002
Priority date	—
Expiry date	Oct 15, 2019

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61Q5/12
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The present invention relates to polypeptide-polysiloxane copolymers, to their preparation by thermal copolymerization of amino acids with organofunctional polysiloxanes, and to their use as interface-active substances. The polypeptide-polysiloxane copolymers consist of at least one polysiloxane unit and of at least one polypeptide unit

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