Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849076 | Continuous oxidation method | — | 1989-07-18 |
| 4842980 | Photosensitive materials containing ionic dye compounds as initiators | Peter Gottschalk, Gary B. Schuster | 1989-06-27 |
| 4831188 | Perester photoinitiators | — | 1989-05-16 |