Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5792265 | Device and process for producing reinforcing layers on cylinder running surfaces of internal combustion engines and the like | Kurt Maier, Helmut Hubner | 1998-08-11 |
| 5295583 | Process for cleaning short mineral fibers | Ulrich Bischofberger, Dieter Muller-Schwelling | 1994-03-22 |
| 5102422 | Methods for leather processing including liquid enzyme formulation | Juergen Christner, Tilman Taeger, Ursula Bernschein | 1992-04-07 |
| 5089414 | Enzymatic soaking method | Juergen Christner, Tilman Taeger | 1992-02-18 |
| 4968621 | Method for the wet degreasing of hide and skin stock | Tilman Taeger, Gertrud Wick | 1990-11-06 |
| 4961750 | Acrylate tanning agent | Juergen Christner, Tilman Taeger, Gertrud Wick | 1990-10-09 |
| 4960428 | Method for liming skins and hides | Juergen Christner, Tilman Taeger | 1990-10-02 |
| 4943530 | Liquid enzyme preparations | Juergen Christner, Tilman Taeger, Ursula Bernschein | 1990-07-24 |
| 4889811 | Methods for making leather | Juergen Christner, Tilmann Taeger | 1989-12-26 |
| 4636222 | Enzymatic unhairing method | Tilman Taeger, Gertrud Wick | 1987-01-13 |
| 4484924 | Process for producing unhaired, storable hides and skins | Tilman Taeger, Rolf Monsheimer | 1984-11-27 |
| 4443221 | Tanning method | Max May, Rolf Monsheimer | 1984-04-17 |
| 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, Tilman Taeger | 1984-03-13 |
| 4398911 | Tanning method | Max May, Rolf Monsheimer | 1983-08-16 |
| 4351639 | Process for liming pelts of animal hides and skins | Rolf Monsheimer | 1982-09-28 |
| 4344762 | Soaking method | Rolf Monsheimer | 1982-08-17 |
| 4314801 | Soaking method | Rolf Monsheimer | 1982-02-09 |
| 4314800 | Method for treating pelts and leather | Rolf Monsheimer, Werner Siol, Hanns Boessler, Hans Trabitzsch | 1982-02-09 |
| 4310328 | Process for liming pelts of animal hides and skins | Rolf Monsheimer | 1982-01-12 |
| 4294087 | Enzymatic method for hair recovery with concurrent opening of hide structure | Rolf Monsheimer | 1981-10-13 |
| 4293647 | Method of dissolving collagen-containing tissues | Rolf Monsheimer | 1981-10-06 |
| 4278432 | Soaking method | Rolf Monsheimer | 1981-07-14 |
| 4273876 | Enzymatic bating method | Rolf Monsheimer | 1981-06-16 |
| 4232123 | Method for making water-soluble hydrolyzates of keratinaceous materials | Klaus Braeumer, Zdenek Eckmayer, Alexander Berg, Rolf Monsheimer | 1980-11-04 |
| 4220723 | Enzymatic treatment of proteinaceous animal waste products | Zdenek Eckmayer, Alexander Berg, Rolf Monsheimer | 1980-09-02 |