Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5204414 | Salts of polyalkyl vinyl ether maleic anhydride and dental prosthesis adhesive produced therefrom | Zvi Pelah, Ernst Urmann | 1993-04-20 |
| 5187308 | Process for the production of low viscosity copolymers from maleic acid monoalkyl esters and vinyl alkyl ethers | Zvi Pelah, Istvan Potencsik, Ernst Urmann | 1993-02-16 |
| 5047490 | High molecular weight copolymers of maleic anhydride and methyl vinyl ether | Zvi Pehlah, Istvan Potencsik, Ernst Urmann | 1991-09-10 |