Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5239044 | Preparation of polyarylenesulfone from bis(chloroaryl) sulfone, dihydric phenol and difluorodiphenylsulfone | David Parker | 1993-08-24 |
| 4469855 | Ethylene copolymerization using diluent gas | — | 1984-09-04 |