Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4803241 | Condensation polymers containing styrylbenzazole ultraviolet radiation-absorbing residues and shaped articles produced therefrom | Max A. Weaver, Wayne P. Pruett, Samuel D. Hilbert | 1989-02-07 |