Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5914442 | Aqueous solutions or dispersions of copolymers | Michael Kneip, Peter Danisch, Walter Denzinger, Axel Kistenmacher, Heinrich Hartmann | 1999-06-22 |
| 5620748 | Use of graft polymers for fatliquoring and filling leather and fur skins | Peter Danisch, Walter Denzinger, Heinrich Hartmann, Michael Kneip | 1997-04-15 |
| 5527360 | Fatliquoring, filling and hydrophobicizing leathers and furs | Peter Danisch, Norbert Greif, Knut Oppenlaender | 1996-06-18 |
| 5433752 | Use of rection products of Homo- or copolymers based on monoethylenically unsaturated dicarboxylic anhydrides with amines or alcohols for fatliquoring and filling leather and fur skins | Peter Danisch, Walter Denzinger, Heinrich Hartmann, Norbert Greif, Knut Oppenlaender | 1995-07-18 |
| 5372609 | Self-tanning, pretanning and assist tanning of pelts and skin pelts and retanning of leather and skin | Juergen Weiser, Wolfgang Reuther, Karl Stork, Ortwin Schaffer | 1994-12-13 |
| 5360454 | Tanning of leather and fur | Norbert Grief, Knut Oppenlaender, Brigitte Wegner, Johannes P. Dix | 1994-11-01 |
| 5352729 | Use of pigment formulations for the preparation of pastes, printing inks and coatings | Walter Denzinger, Heinrich Hartmann, Juan Antonio Gonzalez Gomez, Paul Guenthert, Joachim Jesse +4 more | 1994-10-04 |