Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7592000 | Method of tanning human body by mysting or immersion at elevated temperature | Sabine Hitzel, Hansjurgen Driller, Herwig Buchholz, Silke Hornung, Francois Marchio +1 more | 2009-09-22 |
| 7264795 | Sunscreen composition | Hans-Jürgen Driller, Laure Vouzellaud, Francois Marchio, Hervé Guinard, Ratan K. Chaudhuri | 2007-09-04 |
| 6903134 | Formulation comprising benzofuranone derivatives for protection against oxidative stress | Herwig Buchholz, Ralf Rosskopf, Joachim Bunger | 2005-06-07 |
| 6685924 | Conjugate, its preparation and use | Herwig Buchholz, Ralf Anselmann, Hansjuergen Driller, Michael Kirschbaum | 2004-02-03 |
| 6673336 | Conjugate, its preparation and use | Herwig Buchholz, Eike Poetsch, Ralf Rosskopf, Ralf Anselmann, Michael Kirschbaum | 2004-01-06 |
| 6593476 | Process for the preparation of UV filter substances | Ulrich Heywang, Michael Schwarz | 2003-07-15 |
| 6440401 | 2-phenyl-benzimidazolesulfonic acids as UV-B filters | Ulrich Heywang, Michael Schwarz | 2002-08-27 |