Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8557820 | Crystal modifications of transmission dyes | Martin Vogt, Stefan Muller, Julie Grumelard, Cyrille Deshayes, Holger Paul +1 more | 2013-10-15 |
| 8097240 | Use of transmission dyes for protecting human skin from browning and ageing | Stefan Muller, Thomas Ehlis, Gilbert Kreyer, Jochen Giesinger, Martin Vogt | 2012-01-17 |
| 8044058 | Merocyanine derivatives | Barbara Wagner, Frank Bienewald, Heinz Wolleb, Olof Wallquist, Bernd Herzog +1 more | 2011-10-25 |
| 7999128 | Hydroxybenzophenone derivatives | Stefan Muller, Thomas Ehlis | 2011-08-16 |
| 7772242 | Merocyanine derivatives | Barbara Wagner, Frank Bienewald, Heinz Wolleb, Olof Wallquist, Bernd Herzog +1 more | 2010-08-10 |
| 7374749 | Amino substituted hydroxyphenyl benzophenone derivatives | Thomas Ehlis, Elek Borsos, Stefan Muller | 2008-05-20 |
| 7344706 | UV absorber compositions comprising a hydroxyphenyltriazine compound | Thomas Ehlis, Elek Borsos, Dietmar Huglin, Bernd Herzog | 2008-03-18 |
| 6090370 | Use of selected benzotriazole and triazine derivatives for protecting human hair from the harmful effects of UV radiation | Helmut Luther, Rene Baudin, Albert Stehlin | 2000-07-18 |
| 6057444 | Process for the preparation of phenyldichloro-1,3,5-triazine compounds | Tanja Mossner | 2000-05-02 |
| 5962452 | Resorcinyl-triazines | Helmet Luther | 1999-10-05 |
| 5741783 | N-cyanomethylated chitosans and hydrolysates thereof | Martin Kuhn | 1998-04-21 |