Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868256 | Process for the production of 3-mono or 3,5-disubstituted-4-acetoxystyrene its polymerization, and hydrolysis | Mohammad Aslam, Ralph R. Dammel, Juergen Lingnau, Karl-Friedrich Doessel | 1989-09-19 |
| 4868257 | Process for the production of 3-mono or 3,5 disubstituted-4-acetoxystyrene, its polymerization | Mohammad Aslam, Ralph R. Dammel, Juergen Lingnau, Karl-Friedrich Doessel | 1989-09-19 |
| 4847327 | Surface or electrically active copolymers of poly(4-substituted styrene/N-substituted maleimide) | Raymond W. Rupp, Donna L. Keene | 1989-07-11 |