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 | Werner A. Lidy, Brian Douglas Phillips, David B. Thomas | 1989-10-03 |
| 4859810 | Water-tree stable electrical insulating polymeric compositions | Jeffrey D. Umpleby | 1989-08-22 |