Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5508376 | Alcohol soluble rigid-rod benzobisazole polymers | Thuy D. Dang, Fred E. Arnold | 1996-04-16 |
| 5498784 | Phosphonic acid-pendent benzoxazole copolymers | Fred E. Arnold | 1996-03-12 |
| 5492996 | Alcohol soluble benzazole polymers | Thuy D. Dang, Fred E. Arnold | 1996-02-20 |
| 5493005 | Hydroxy-pendent benzoxazole copolymers | Fred E. Arnold | 1996-02-20 |
| 5200495 | Rigid-rod benzobisazole polymer containing cyclic phosphate ester | Fred E. Arnold | 1993-04-06 |
| 5175232 | Rigid-rod benzobisazole copolymer containing cyclic phosphate ester | Fred E. Arnold | 1992-12-29 |