Patents Examined by David Butner - Justia Patents Search

Patents Examined by David Butner

Quaternized copolymers suitable as active ingredients in cosmetic formulations, such as hair styling compositions

Patent number: 5869032

Abstract: Quaternized copolymers suitable as active ingredients in hair styling compositions are obtainable from N-vinylimidazoles, N-vinylcaprolactam, N-vinylpyrrolidone and, if required, further monomers.

Type: Grant

Filed: March 27, 1997

Date of Patent: February 9, 1999

Assignee: BASF Aktiengesellschaft

Inventors: Jurgen Tropsch, Axel Sanner, Peter Hossel, Hans-Jurgen Raubenheimer, Christian Schade