Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871644 | Photoresist compositions with a bis-benzotriazole | — | 1989-10-03 |
| 4835085 | 1,2-Naphthoquinone diazide sulfonyl ester compound with linking benzotriazole groups and light-sensitive composition with compound | — | 1989-05-30 |
| 4693961 | Photopolymerizable coating agent, a photopolymerizable material and its use | — | 1987-09-15 |
| 4624912 | Thermally transferable layers of radiation sensitive epoxy resins used to prepare protective coatings and relief images | Hans Zweifel, Kurt Meier | 1986-11-25 |
| 4601973 | Photopolymerizable coating agent, a photopolymerizable material and its use | — | 1986-07-22 |