Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6379751 | Imparting water-repellency with polysiloxanes containing carboxyl groups | Walter Schafer, Gunter Sackmann, Jurgen Reiners, Tillmann Hassel, Manfred Schnee | 2002-04-30 |
| 5820634 | Process for tanning leather | Harro Traubel, Helmut Reiff | 1998-10-13 |
| 5770651 | Use of oligourethanes as formulating agents for aqueous pigment preparations | Harro Traubel, Hans-Werner Muller | 1998-06-23 |
| 5468257 | Process for dying leather with pigments and cationic binders | Joachim Probst, Harro Traubel, Ludger Heiliger | 1995-11-21 |
| 5268416 | Oligourethanes as forming agents for non-aqueous pigment preparations | Harro Traubel, Hans-Werner Muller | 1993-12-07 |