Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4350753 | Positive acting composition yielding pre-development high visibility image after radiation exposure comprising radiation sensitive diazo oxide and haloalkyl-s-triazine with novolak and dyestuff | James G. Shelnut, Alan Wilkes, Ken-ichi Shimazu | 1982-09-21 |
| 4326020 | Method of making positive acting diazo lithographic printing plate | Alan Wilkes | 1982-04-20 |