Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4390689 | Polycationic polymers and their preparation | Gerard Lang, Alain Malaval, Serge Forestier, Do Le Trung | 1983-06-28 |
| 4381919 | Hair dye composition containing quaternized polymers | Gerard Lang | 1983-05-03 |
| 4376114 | 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 | Christos Papantoniou, Guy Vanlerberghe, Jean Mondet | 1983-03-08 |
| 4363797 | Polyaspartic acid derivatives, their preparation and their use in cosmetic composition | Christos Papantoniou, Gerard Land, Serge Forestier | 1982-12-14 |
| 4348380 | Cosmetic compositions for the hair and skin based on copolymers having tertiary amine and/or quaternary ammonium functions | Christos Papantoniou, Jean Mondet | 1982-09-07 |
| 4339561 | N-(2,5-Dihydroxy-3,4,6-trimethyl-benzyl)-acrylamide and - methacrylamide polymers | Claude Mahieu, Christos Papantoniou | 1982-07-13 |
| 4324780 | Copolymers, process for preparing the same and cosmetic compositions containing the same | Claude Mahieu, Christos Papantoniou | 1982-04-13 |
| 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 | Christos Papantoniou, Guy Vanlerberghe, Jean Mondet | 1982-03-23 |
| 4314808 | Dye polymers, their preparation and their use in dye compositions | Gerard Lang, Serge Forestier | 1982-02-09 |
| 4287172 | Cosmetic compositions for the hair and the skin, based on polymers which contain amino groups and recurring units having a cyclic structure | Christos Papantoniou, Jean Mondet | 1981-09-01 |
| 4283384 | Cosmetic compositions containing polymers produced in the presence of cerium ions | Jean Mondet, Christos Papantoniou | 1981-08-11 |
| 4282203 | Hair lacquer and hair lotion compositions containing a copolymer having units of a vinyl allyl or methally ester of an .alpha.- or .beta.-cyclic carboxylic acid | Christos Papantoniou, Guy Vanlerberghe, Claude Mahieu, Vahan Zorayan | 1981-08-04 |
| 4281192 | N-(2,5-Dihydroxy-3,4,6-trimethyl-benzyl)-acrylamide and-methacrylamide | Claude Mahieu, Christos Papantoniou | 1981-07-28 |
| 4237253 | Copolymers, their process of preparation, and cosmetic compounds containing them | Claude Mahieu, Christos Papantoniou | 1980-12-02 |
| 4233430 | Anti-solar acrylamide derivative polymers, method of making the same and cosmetic compositions containing the same | Christos Papantoniou, Pierre Dufaure, Claude Mahieu | 1980-11-11 |
| 4217914 | Quaternized polymer for use as a cosmetic agent in cosmetic compositions for the hair and skin | Gerard Lang | 1980-08-19 |
| 4197865 | Treating hair with quaternized polymers | Gerard Lang | 1980-04-15 |