Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4606999 | Development of positive photoresists using cyclic quaternary ammonium hydroxides | Ann Beal Salamone | 1986-08-19 |
| 4556629 | Developer composition for positive photoresists using solution with cyclic quaternary ammonium hydroxides | Ann Beal Salamone | 1985-12-03 |
| 4520137 | One-part activator and blowing agent for foaming plastics | Roger G. Hamel | 1985-05-28 |
| 4491554 | One part activator and blowing agent for foaming plastics | Roger G. Hamel | 1985-01-01 |