Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7753964 | Method for producing a leather semi-finished product | Stephan Hueffer, Stefan Schroeder, Juergen Carle, Thorsten Raedler, Volker Bach | 2010-07-13 |
| 7527652 | Dithiol compositions and methods of treating animal hides using the same | Holger Buehler, Joaquim Henrique Teles, Gunther Pabst | 2009-05-05 |
| 7404826 | Method for removing horn substance from skins, pelts or furs | Gunther Pabst, Philippe Lamalle, Stephan Hueffer, Stefan Schroeder | 2008-07-29 |
| 7354457 | Tanning agent and curing agent based on dialdehydes | Stephan Hueffer, Gunther Pabst, Stefan Schroeder, Gerhard Wolf | 2008-04-08 |
| 7250062 | Method for removing horn substances from animal skin | Hans-Georg Lemaire, Gunther Pabst, Philippe Lamalle, Michael Breuer, Burkhard Kroeger +1 more | 2007-07-31 |
| 7084224 | Use of C4-C6-polymercaptopolyols as regulators in solution or precipitation polymerization | Kathrin Michl, Gunther Pabst, Philippe Lamalle, Stephan Hueffer, Stefan Schroeder | 2006-08-01 |
| 5525509 | Method for the enzymatic liming of skins and hides | Juergen Christner, Gertrud Wick | 1996-06-11 |
| 5508195 | Method for liming hides and skins | Juergen Christner, Gertrud Wick | 1996-04-16 |
| 5102422 | Methods for leather processing including liquid enzyme formulation | Juergen Christner, Ernst Pfleiderer, Ursula Bernschein | 1992-04-07 |
| 5089414 | Enzymatic soaking method | Juergen Christner, Ernst Pfleiderer | 1992-02-18 |
| 4968621 | Method for the wet degreasing of hide and skin stock | Ernst Pfleiderer, Gertrud Wick | 1990-11-06 |
| 4961750 | Acrylate tanning agent | Juergen Christner, Ernst Pfleiderer, Gertrud Wick | 1990-10-09 |
| 4960428 | Method for liming skins and hides | Juergen Christner, Ernst Pfleiderer | 1990-10-02 |
| 4943530 | Liquid enzyme preparations | Juergen Christner, Ernst Pfleiderer, Ursula Bernschein | 1990-07-24 |
| 4636222 | Enzymatic unhairing method | Ernst Pfleiderer, Gertrud Wick | 1987-01-13 |
| 4484924 | Process for producing unhaired, storable hides and skins | Ernst Pfleiderer, Rolf Monsheimer | 1984-11-27 |
| 4436624 | CRT Method of converting and separating substances contained, dissolved or dissolvable in a carrier liquid | Eberhard Kreuzburg, Dietrich J. Von Der Pahle, Rolf Monsheimer, Ernst Pfleiderer | 1984-03-13 |