Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4971835 | Processing for rendering leather hydrophobic and oleophobic by impregnation with fluoro chemicals | Norbert Munch, Lothar Schlosser | 1990-11-20 |
| 4289665 | Process for the preparation of aqueous emulsions, stable in storage, of N.alkyl-N-alkylol-ureas and their application for the softening of leather | Karl-Heinz Keil, Volker Kohler, Kurt Rosenbusch | 1981-09-15 |