Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865942 | Photohardenable compositions containing a dye-borate complex and photosensitive materials employing the same | Peter Gottschalk | 1989-09-12 |
| 4842980 | Photosensitive materials containing ionic dye compounds as initiators | Peter Gottschalk, Douglas C. Neckers | 1989-06-27 |
| 4800149 | Photohardenable compositions containing a dye borate complex and photosensitive materials employing the same | Peter Gottschalk | 1989-01-24 |