Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871783 | Modified polyols and their use in the manufacture of polymer polyols | Rudolphe C. Cloetens, Werner A. Lidy, David B. Thomas | 1989-10-03 |
| 4843106 | Modified polymer polyols | Joelle Y. Fis, Werner A. Lidy, David B. Thomas | 1989-06-27 |