Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877851 | Blends of copoly(arylene sulfide) and poly(arylene sulfide) | David R. Fagerburg, Joseph J. Watkins | 1989-10-31 |
| 4826956 | Process for the preparation of copoly(arylene sulfide) using an oxygen-containing gas | David R. Fagerburg, Joseph J. Watkins, Mark Rule | 1989-05-02 |