Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883832 | Preparation of polymer polyols | Rudolpha C. Cloetens, Huy P. Thanh | 1989-11-28 |
| 4871783 | Modified polyols and their use in the manufacture of polymer polyols | Rudolphe C. Cloetens, Brian Douglas Phillips, David B. Thomas | 1989-10-03 |
| 4843106 | Modified polymer polyols | Joelle Y. Fis, Brian Douglas Phillips, David B. Thomas | 1989-06-27 |
| 4831076 | Preparation of polymer polyols | Huy P. Thanh | 1989-05-16 |