Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12104052 | Consolidated nonwoven | Henrik Schmidt, Stefan Jesberger | 2024-10-01 |
| 7011772 | UV absorbing mixture with textile fiber affinity | Thomas Heidenfelder, Gerhard Wagenblast, Jürgen Detering | 2006-03-14 |
| 6916778 | UV absorbers with affinity for textile fiber | Jürgen Detering, Werner Bertleff, Gerhard Wagenblast, Christian Ott, Elisabeth Kappes | 2005-07-12 |
| 6680390 | Use of substituted vinyl-tetrahydronaphthalenes and vinyl-benzotetrahydropyrans as light protection agents | Frank Prechtl, Horst Westenfelder, Thomas Wilnsch | 2004-01-20 |
| 6603014 | Use of cyclic enamines as light protection agents | Frank Prechtl, Thomas Wunsch, Horst Westenfelder | 2003-08-05 |
| 6545174 | Cosmetic and pharmaceutical preparations containing photostable UV filters | Sylke Haremza, Volker Schehlmann, Horst Westenfelder, 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 |
| 6524560 | Use of substituted vinyltetrahydronaphthalenes and vinyl-benzotetrahydropyrans as light protection agents | Frank Prechtl, Horst Westenfelder, Thomas Wunsch | 2003-02-25 |
| 6436373 | Oligomeric diarylbutadienes | Thomas Wunsch, Horst Westenfelder | 2002-08-20 |
| 6413503 | Use of cyclic enamines as light protection agents | Frank Prechtl, Thomas Wunsch, Horst Westenfelder | 2002-07-02 |
| 6409995 | Use of amino-substituted hydroxybenzophenones as photostable UV filters in cosmetic and pharmaceutical preparations | Frank Prechtl, Thomas Wunsch, Horst Westenfelder, Sylke Haremza, Thorsten Bach +1 more | 2002-06-25 |
| 6407247 | Photo-stable cosmetic and pharmaceutical formulations containing UV-filters | Alexander Aumuller, Volker Schehlmann, Horst Westenfelder, Thomas Wunsch | 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, Thomas Wunsch | 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, Thomas Wunsch | 2002-05-14 |
| 6278025 | Process for the preparation of substituted dibenzoylmethane compounds | Frank Prechtl | 2001-08-21 |
| 6238649 | Cosmetic and pharmaceutical preparations containing photostable UV filters | Sylke Haremza, Volker Schehlmann, Horst Westenfelder, Thomas Wunsch, Michael Drogemuller +1 more | 2001-05-29 |
| 6210657 | Use of isoindolinone derivatives as stabilizers for organic materials | Sylke Haremza, Hubert Trauth, Volker Schehlmann, Horst Westenfelder | 2001-04-03 |
| 6191301 | 4,4-diarylbutadienes as water-soluble photostable UV filters for cosmetic and pharmaceutical preparation | Horst Westenfelder, Thomas Wunsch | 2001-02-20 |
| 6159455 | Dimeric .alpha.-alkylstyrene derivatives as photostable UV filters in cosmetic and pharmaceutical preparations | Frank Prechtl, Thomas Wunsch, Horst Westenfelder | 2000-12-12 |
| 6132703 | Cosmetic and pharmaceutical preparations containing photostable UV filters | Alfred Krause | 2000-10-17 |
| 6093385 | 4,4-diarylbutadienes as water-soluble photostable UV filters for cosmetic and pharmaceutical preparations | Horst Westenfelder, Thomas Wunsch | 2000-07-25 |
| 6090374 | Cosmetic and pharmaceutical preparations comprising photostable UV filters | Sylke Haremza, Volker Schehlmann, Horst Westenfelder, Thomas Wunsch | 2000-07-18 |
| 6069258 | Cosmetic preparations comprising photostable UV-A filters | Alexander Aumuller, Volker Schehlmann, Horst Westenfelder, Thomas Wunsch | 2000-05-30 |
| 6060042 | Use of cholesteric, liquid-crystalline compositions as UV filters in cosmetic and pharmaceutical preparations | Peter Schuhmacher, Norbert Schneider, Horst Westenfelder, Sylke Haremza, Frank Meyer | 2000-05-09 |
| 6037487 | Photo-stable cosmetic and pharmaceutical formulations containing UV-filters | Alexander Aumuller, Volker Schehlmann, Horst Westenfelder, Thomas Wunsch | 2000-03-14 |