Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4841018 | Catalytic preparation of poly(arylene sulfide) from halothiophenol | — | 1989-06-20 |
| 4814224 | Poly(arylene sulfide ketone) composites | Jon F. Geibel, Michael Duane Cliffton | 1989-03-21 |