Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853442 | Amine-terminated polysulfone sulfide, useful as epoxy curing agent | — | 1989-08-01 |
| 4808364 | Rotational polymerization molding | Harry W. Blunt | 1989-02-28 |
| 4808635 | Method for making a dicyclopentadiene cross-linked polymer and the product thereof | — | 1989-02-28 |