Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5702490 | Water repellent treatment of leather and skins with polysiloxanes functionalized with carboxyl groups in a comb-like manner | Peter Danisch | 1997-12-30 |
| 5620748 | Use of graft polymers for fatliquoring and filling leather and fur skins | Hermann Birkhofer, Peter Danisch, Walter Denzinger, Heinrich Hartmann | 1997-04-15 |