Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4999400 | Metal carboxylate derivatives for use in synthetic materials, emulsions and suspensions | Helmut Kuhne, Karl-Heinz Frassek, Gunther Lanzrath, Fritz Steinseifer, Heinz Beck | 1991-03-12 |
| 4775723 | Metal carboxylate derivatives for use in synthetic materials, emulsions and suspensions | Helmut Kuhne, Karl-Heinz Frassek, Gunther Lanzrath, Fritz Steinseifer, Heinz Beck | 1988-10-04 |