Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4960853 | Rigid rod aromatic benzoxazole/thiazole heterocyclic copolymers | Fred E. Arnold | 1990-10-02 |
| 4960854 | Rigid rod aromatic benzthiazole/oxazole heterocyclic polymer | Fred E. Arnold | 1990-10-02 |
| 4960858 | Rigid rod aromatic benzimidazole/thiazole heterocyclic polymer | Fred E. Arnold | 1990-10-02 |
| 4960859 | Rigid rod aromatic benzimidazole/thiazole heterocyclic copolymer | Fred E. Arnold | 1990-10-02 |
| 4900805 | Rigid rod aromatic benzthiazole heterocyclic polymer | Fred E. Arnold | 1990-02-13 |
| 4900806 | Rigid rod aromatic benthiazole heterocyclic copolymer | Fred E. Arnold | 1990-02-13 |
| 4892953 | Benzthiazole substituted diacid terphenyl monomers | Fred E. Arnold | 1990-01-09 |