Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5344896 | Water soluble rigid-rod polymers | Fred E. Arnold | 1994-09-06 |
| 5312876 | Water soluble rigid-rod polymer | Fred E. Arnold | 1994-05-17 |
| 5312895 | Benzobisazole copolymer system soluble in aprotic solvents | Fred E. Arnold | 1994-05-17 |