Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868224 | Process for the production of molded products using internal mold release agents | Stephen J. Harasin, Michael Hurley, Timothy Kelly, Kenneth J. Naleppa, Donald W. Schumacher +2 more | 1989-09-19 |
| 4859791 | High solids polyester polyols | Robert G. Kelso | 1989-08-22 |
| 4857561 | Novel neopentyladipate based prepolymers and reaction injection molded products made therefrom | Robson Mafoti | 1989-08-15 |
| 4797464 | Diepoxide reacted with a half ester from a dicarboxyic acid anhydride and polyalkylene glycol | — | 1989-01-10 |