Issued Patents All Time
Showing 25 most recent of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7217820 | Cosmetic or pharmaceutical preparations which comprise enaminotriazines as light protection agents, and novel enaminotriazines | Thomas Heidenfelder, Kristin Tiefensee | 2007-05-15 |
| 6887460 | Cosmetic or pharmaceutical preparations which comprise enaminotriazines as light protection agents, and novel enaminotriazines | Thomas Heidenfelder, Kristin Tiefensee | 2005-05-03 |
| 6603014 | Use of cyclic enamines as light protection agents | Thorsten Habeck, Frank Prechtl, Horst Westenfelder | 2003-08-05 |
| 6545174 | Cosmetic and pharmaceutical preparations containing photostable UV filters | Thorsten Habeck, Sylke Haremza, Volker Schehlmann, Horst Westenfelder, 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 |
| 6531117 | Aqueous dispersion of water-insoluble organic UV filter substances | Robert Heger, Helmut Auweter, Wilma M. Dausch, Georg Konrad Zwissler | 2003-03-11 |
| 6524560 | Use of substituted vinyltetrahydronaphthalenes and vinyl-benzotetrahydropyrans as light protection agents | Frank Prechtl, Thorsten Habeck, Horst Westenfelder | 2003-02-25 |
| 6488915 | Use of sunscreen combinations which comprise, as essential constituent, 2-(4-alkoxyanilinomethylene) malonic dialkyl esters as photostable UV filters in cosmetic and pharmaceutical preparations | Thomas Heidenfelder, Kristin Tiefensee | 2002-12-03 |
| 6458342 | Use of sunscreen combinations comprising, as essential constituent, 2,2′-p-phenylenebis (3,1-benzoxazin-4-one) as photostable UV filters in cosmetic and pharmaceutical preparations | Thomas Heidenfelder, Kristin Tiefensee | 2002-10-01 |
| 6436373 | Oligomeric diarylbutadienes | Thorsten Habeck, Horst Westenfelder | 2002-08-20 |
| 6416773 | Cosmetic or dermatological light protection agent preparations | Thomas Heidenfelder, Volker Schehlmann, Wilma M. Dausch | 2002-07-09 |
| 6413503 | Use of cyclic enamines as light protection agents | Thorsten Habeck, Frank Prechtl, Horst Westenfelder | 2002-07-02 |
| 6409995 | Use of amino-substituted hydroxybenzophenones as photostable UV filters in cosmetic and pharmaceutical preparations | Thorsten Habeck, Frank Prechtl, Horst Westenfelder, 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, Horst Westenfelder | 2002-06-18 |
| 6391289 | Use of sunscreen combinations comprising, as essential constituent, 4,4′-diarylbutadienes as photostable UV filters in cosmetic and pharmaceutical preparations | Thomas Heidenfelder, Thorsten Habeck | 2002-05-21 |
| 6387355 | Use of sunscreen combinations comprising, as essential constituent, amino-substituted hydroxybenzophenones as photostable UV filters in cosmetic and pharmaceutical preparations | Thomas Heidenfelder, Thorsten Habeck | 2002-05-14 |
| 6238649 | Cosmetic and pharmaceutical preparations containing photostable UV filters | Thorsten Habeck, Sylke Haremza, Volker Schehlmann, Horst Westenfelder, Michael Drogemuller +1 more | 2001-05-29 |
| 6191301 | 4,4-diarylbutadienes as water-soluble photostable UV filters for cosmetic and pharmaceutical preparation | Thorsten Habeck, Horst Westenfelder | 2001-02-20 |
| 6159455 | Dimeric .alpha.-alkylstyrene derivatives as photostable UV filters in cosmetic and pharmaceutical preparations | Thorsten Habeck, Frank Prechtl, Horst Westenfelder | 2000-12-12 |
| 6153174 | Cosmetic compositions comprising a combination of UV absorbers | Karin Sperling, Horst Westenfelder, Beate Trentmann | 2000-11-28 |
| 6129847 | Recovery of raw materials from magnetic recording media | Karl-Heinz Sartor, Axel Schulze, Norbert Muller, Jochen Eicher, Oskar Stephan | 2000-10-10 |
| 6129908 | Cosmetic or pharmaceutical preparations comprising 1,3,5-triazine derivatives and zinc oxide | Horst Westenfelder | 2000-10-10 |
| 6093385 | 4,4-diarylbutadienes as water-soluble photostable UV filters for cosmetic and pharmaceutical preparations | Thorsten Habeck, Horst Westenfelder | 2000-07-25 |
| 6090374 | Cosmetic and pharmaceutical preparations comprising photostable UV filters | Thorsten Habeck, Sylke Haremza, Volker Schehlmann, Horst Westenfelder | 2000-07-18 |
| 6069258 | Cosmetic preparations comprising photostable UV-A filters | Thorsten Habeck, Alexander Aumuller, Volker Schehlmann, Horst Westenfelder | 2000-05-30 |