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 | Ernst Urmann, Werner Kopp | 1993-04-20 |
| 5187308 | Process for the production of low viscosity copolymers from maleic acid monoalkyl esters and vinyl alkyl ethers | Istvan Potencsik, Werner Kopp, Ernst Urmann | 1993-02-16 |
| 4851227 | Insecticidal composition comprising diazinon and process for the preparation thereof | Arie Markus | 1989-07-25 |