Ampholytic anionic copolymers

Details Ampholytic anionic copolymers Ampholytic anionic copolymers

2004-12-08

2010-11-09

Wu, David (Department: 1796)

Drug, bio-affecting and body treating compositions

Live hair or scalp treating compositions

Polymer containing

C526S317100, C526S318400, C526S328000, C526S328500

Reexamination Certificate

active

07829070

ABSTRACT:
Ampholytic copolymers which contain a molar excess of anionogenic and/or anionic groups, polyelectrolyte complexes which contain such an ampholytic copolymer, cosmetic and pharmaceutical compositions which contain at least one such copolymer or polyelectrolyte complex and the use of these copolymers and polyelectrolyte complexes are described.

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