Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851589 | Oxidative coupling of alkylphenols by copper catalysts | Stephen J. Carter | 1989-07-25 |
| 4814224 | Poly(arylene sulfide ketone) composites | Jon F. Geibel, Roger G. Gaughan | 1989-03-21 |
| 4812552 | Process for preparing poly(arylene sulfide ketone) with water addition | Jon F. Geibel | 1989-03-14 |