Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4576892 | Photosensitive materials | Alan Wilkes | 1986-03-18 |
| 4568630 | Method for preparing and using an anodized aluminum photo-lithographic printing plate | Jen-chi Huang | 1986-02-04 |
| 4483758 | Method for making a negative working lithographic printing plate | William Rowe, Alan Wilkes | 1984-11-20 |
| 4477317 | Aluminum substrates useful for lithographic printing plates | Simon Chu, Jen-chi Huang, Alan Wilkes | 1984-10-16 |
| 4447512 | Method for making a negative working lithographic printing plate | William Rowe, Alan Wilkes | 1984-05-08 |
| 4446221 | Anodized supports and radiation sensitive elements therefrom | Hans-Peter Herting, Jen-chi Huang | 1984-05-01 |
| 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 |
| 4289838 | Diazo-unsaturated monomer light sensitive compositions | William Rowe | 1981-09-15 |