| 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 |