Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 | Gustav Hudec, Karl-Heinz Keil, Volker Kohler | 1981-09-15 |
| 4281997 | Process for the greasing of leather and fur skins | Merten Schlingmann | 1981-08-04 |