Issued Patents 1994
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5324810 | Polyimides based on a 9-aryl-9(perfluoroalkyl)-xanthene-2,3,6,7-dianhydride or 9,9'-bis(perfluoro-alkyl)xanthene-2,3,6,7-dianhydride and benzidine derivatives | — | 1994-06-28 |
| 5322917 | Fluorine-containing diamines polyamides, and polyimides | Andrew Edward Feiring | 1994-06-21 |
| 5286841 | Fluorine-containing diamines, polyamides, and polyimides | Andrew Edward Feiring | 1994-02-15 |
| 5280103 | Perfluoroalkylated amines, and polymers made therefrom | David P. Higley, Kirby V. Scherer, Jr. | 1994-01-18 |