Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4348380 | Cosmetic compositions for the hair and skin based on copolymers having tertiary amine and/or quaternary ammonium functions | Bernard Jacquet, Christos Papantoniou | 1982-09-07 |
| 4321348 | Copolymers of N-vinyl pyrrolidone and a vinylic, allylic or methallylic ester of a cyclic .alpha.- or .beta.-carboxylic acid; and cosmetic compositions containing the same | Bernard Jacquet, Christos Papantoniou, Guy Vanlerberghe | 1982-03-23 |