Issued Patents All Time
Showing 1–25 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8883829 | 2-phenyl-1,2,3-benzotriazoles for UV radiation absorbance | Alexander Schlifke-Poschalko, Christine MENDROK-EDINGER | 2014-11-11 |
| 8207108 | Stabilizing composition | Roland Jermann, Caroline Ploton | 2012-06-26 |
| 7465774 | Use of copolymers of carboxylic acids and long-chain compounds with isolated C-C multiple bonds as thickeners or dispersants | Christian Schade, Axel Sanner, Hans-Ulrich Wekel, Franz Frosch | 2008-12-16 |
| 7102019 | Cosmetic and pharmaceutical preparations comprising ascorbic acid derivatives | Harald Streicher, Bernd Ostersehlt | 2006-09-05 |
| 6680390 | Use of substituted vinyl-tetrahydronaphthalenes and vinyl-benzotetrahydropyrans as light protection agents | Frank Prechtl, Thorsten Habeck, Thomas Wilnsch | 2004-01-20 |
| 6603014 | Use of cyclic enamines as light protection agents | Thorsten Habeck, Frank Prechtl, Thomas Wunsch | 2003-08-05 |
| 6545174 | Cosmetic and pharmaceutical preparations containing photostable UV filters | Thorsten Habeck, Sylke Haremza, Volker Schehlmann, Thomas Wunsch, Michael Drogemuller +1 more | 2003-04-08 |
| 6541032 | Use of finely divided dye-containing polymers PD as color-imparting constituent in cosmetic compositions | Monika Medelnick, Ellen Pfrommer, Thorsten Clemens, Peter Erk, Arno Bohm +8 more | 2003-04-01 |
| 6528575 | Use of crosslinked copolymers of monoethylenically unsaturated carboxylic acids as stabilizer in oil-in-water emulsions | Christian Schade, Karin Sperling-Vietmeier, Axel Sanner, Hans-Ulrich Wekel | 2003-03-04 |
| 6524560 | Use of substituted vinyltetrahydronaphthalenes and vinyl-benzotetrahydropyrans as light protection agents | Frank Prechtl, Thorsten Habeck, Thomas Wunsch | 2003-02-25 |
| 6436373 | Oligomeric diarylbutadienes | Thorsten Habeck, Thomas Wunsch | 2002-08-20 |
| 6413503 | Use of cyclic enamines as light protection agents | Thorsten Habeck, Frank Prechtl, Thomas Wunsch | 2002-07-02 |
| 6409995 | Use of amino-substituted hydroxybenzophenones as photostable UV filters in cosmetic and pharmaceutical preparations | Thorsten Habeck, Frank Prechtl, Thomas Wunsch, Sylke Haremza, Thorsten Bach +1 more | 2002-06-25 |
| 6407247 | Photo-stable cosmetic and pharmaceutical formulations containing UV-filters | Thorsten Habeck, Alexander Aumuller, Volker Schehlmann, Thomas Wunsch | 2002-06-18 |
| 6346254 | Cosmetic and pharmaceutical preparations comprising ascorbic acid derivatives | Harald Streicher, Bernd Ostersehlt | 2002-02-12 |
| 6329483 | Copolymers of carboxylic acids and quaternary ammonium compounds and the use thereof as thickeners of dispersants | Christian Schade, Axel Sanner, Hans-Ulrich Wekel, Franz Frosch | 2001-12-11 |
| 6238649 | Cosmetic and pharmaceutical preparations containing photostable UV filters | Thorsten Habeck, Sylke Haremza, Volker Schehlmann, Thomas Wunsch, Michael Drogemuller +1 more | 2001-05-29 |
| 6210657 | Use of isoindolinone derivatives as stabilizers for organic materials | Thorsten Habeck, Sylke Haremza, Hubert Trauth, Volker Schehlmann | 2001-04-03 |
| 6191301 | 4,4-diarylbutadienes as water-soluble photostable UV filters for cosmetic and pharmaceutical preparation | Thorsten Habeck, Thomas Wunsch | 2001-02-20 |
| 6159455 | Dimeric .alpha.-alkylstyrene derivatives as photostable UV filters in cosmetic and pharmaceutical preparations | Thorsten Habeck, Frank Prechtl, Thomas Wunsch | 2000-12-12 |
| 6153174 | Cosmetic compositions comprising a combination of UV absorbers | Karin Sperling, Thomas Wunsch, Beate Trentmann | 2000-11-28 |
| 6143906 | Ascorbyl sorbates | Harald Streicher, Linda von dem Bussche-Hunnefeld, Hans-Ulrich Wekel | 2000-11-07 |
| 6143850 | Lipophilic polymeric UV absorbers | Harald Keller, Volker Schehlmann, Thomas Preiss | 2000-11-07 |
| 6129908 | Cosmetic or pharmaceutical preparations comprising 1,3,5-triazine derivatives and zinc oxide | Thomas Wunsch | 2000-10-10 |
| 6124274 | Use of ascorbyl 2'-phosphates for stabilizing vitamin A and/or vitamin A derivatives in cosmetic and pharmaceutical preparations | Volker Schehlmann | 2000-09-26 |