Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6231876 | Use of water-soluble copolymers as active ingredients in cosmetics | Manfred Niessner, Claudia Nilz, Stephan Kothrade, Axel Sanner | 2001-05-15 |
| 6191188 | Aqueous compositions and their use | Karin Sperling, Volker Schehlmann | 2001-02-20 |
| 6007801 | Use of carboxyl-containing polysiloxanes in cosmetic formulations | Michael Kneip, Norbert Greif | 1999-12-28 |
| 5976557 | Carboxamidopolysiloxanes in cosmetic formulations | Holger Friedrich | 1999-11-02 |
| 5961965 | Water-soluble or water-dispersible polyaspartic acid derivatives their preparation and their use | Son Nguyen Kim, Axel Sanner, Matthias Kroner | 1999-10-05 |
| 5925728 | Water-soluble or water-dispersible polyaspartic acid derivatives, their preparation and their use | Son Nguyen Kim, Axel Sanner, Matthias Kroner | 1999-07-20 |
| 5897870 | Aqeous or aqueous-alcoholic hair-cosmetic formulation | Volker Schehlmann | 1999-04-27 |
| 5880252 | Pyrrolidonyl-containing polyesters and polyamides | Son Nguyen Kim, Jorg Breitenbach, Axel Sanner, Siegfried Lang | 1999-03-09 |
| 5869032 | Quaternized copolymers suitable as active ingredients in cosmetic formulations, such as hair styling compositions | Jurgen Tropsch, Axel Sanner, Hans-Jurgen Raubenheimer, Christian Schade | 1999-02-09 |