Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4835249 | Process for preparing polyimides | Ronald A. Greenberg | 1989-05-30 |
| 4808686 | Silicone-polyimides, and method for making | James Anthony Cella, Gary Shank | 1989-02-28 |
| 4680373 | Process for the production of a random copolymer containing repeating polyimide units and repeating polyetherimide units | Ronald A. Greenberg | 1987-07-14 |
| 4550156 | Polyetherimide copolymers | — | 1985-10-29 |