Patent · US Active

Ampholytic copolymer and use thereof

US8153740B2 · kind B2 · utility

2Cited by

6References

8Claims

0Family size

Assignee

BASF SE

Inventors

Son Nguyen-Kim · Hemsbach, DE
Horst Schuch · Heidelberg, DE
Thomas Kaiser · Hohlstedt, DE
Claudia Wood · Weinheim, DE
Peter Hossel · Schifferstadt, DE

Key dates

Filing date	Dec 29, 2003
Grant date	Apr 10, 2012
Priority date	—
Expiry date	Feb 22, 2028

Classification

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

Abstract

The present invention relates to an ampholytic copolymer, to polyelectrolyte complexes which comprise such an ampholytic copolymer, and to cosmetic or pharmaceutical compositions which comprise at least one ampholytic copolymer or one polyelectrolyte complex.

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