Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869983 | Sulfonyl-containing styrene derivatives and their use in electrophotographic processes | Albert Bender, Dieter Guenther | 1989-09-26 |
| 4868256 | Process for the production of 3-mono or 3,5-disubstituted-4-acetoxystyrene its polymerization, and hydrolysis | Mohammad Aslam, Richard Vicari, Ralph R. Dammel, Karl-Friedrich Doessel | 1989-09-19 |
| 4868257 | Process for the production of 3-mono or 3,5 disubstituted-4-acetoxystyrene, its polymerization | Mohammad Aslam, Richard Vicari, Ralph R. Dammel, Karl-Friedrich Doessel | 1989-09-19 |