Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882418 | Washing arylene sulfide polymers with water plus a reducing agent | Guy Senatore, Fred T. Sherk | 1989-11-21 |
| 4877850 | Buffer wash of polyarylene sulfides | Jon F. Geibel | 1989-10-31 |
| 4801664 | Acid wash of polyarylene sulfides | Guy Senatore, Fred T. Sherk | 1989-01-31 |