Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7771489 | Formulation for use in chrome or chrome-free tannage | Stephan Hueffer, Einhard Wagner, Thorsten Raedler, Karl Vill | 2010-08-10 |
| 7753964 | Method for producing a leather semi-finished product | Stephan Hueffer, Juergen Carle, Thorsten Raedler, Volker Bach, Tilman Taeger | 2010-07-13 |
| 7410504 | Adducts based on cyclic compounds and the use thereof as tanning agents and curing agents | Stephan Hueffer, Oliver Reese, Walter Gramlich, Guenter Scherr, Volker Bach | 2008-08-12 |
| 7404826 | Method for removing horn substance from skins, pelts or furs | Tilman Taeger, Gunther Pabst, Philippe Lamalle, Stephan Hueffer | 2008-07-29 |
| 7354457 | Tanning agent and curing agent based on dialdehydes | Stephan Hueffer, Gunther Pabst, Tilman Taeger, Gerhard Wolf | 2008-04-08 |
| 7084224 | Use of C4-C6-polymercaptopolyols as regulators in solution or precipitation polymerization | Kathrin Michl, Tilman Taeger, Gunther Pabst, Philippe Lamalle, Stephan Hueffer | 2006-08-01 |