Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853308 | Photoresponsive imaging members with fluorene hole transporting layers | Beng S. Ong, John R. C. Fuller | 1989-08-01 |
| 4845263 | Layered photoresponsive imaging members with sulfur incorporated dicyanomethylenefluorene carboxylate compositions of matter | Beng S. Ong | 1989-07-04 |
| 4835081 | Photoresponsive imaging members with electron transport overcoatings | Beng S. Ong, Barkev Keoshkerian | 1989-05-30 |
| 4820601 | Photoresponsive imaging members with protective copolyurethane overcoatings | Beng S. Ong, John R. C. Fuller | 1989-04-11 |
| 4801517 | Polyarylamine compounds and systems utilizing polyarylamine compounds | Jean M. J. Frechet, Sylvie Gauthier, William W. Limburg, Rafik O. Loutfy, John W. Spiewak | 1989-01-31 |