Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885348 | Urea-modified isocyanates | Ernst O. Duber, Mark Loenders | 1989-12-05 |
| 4849460 | Process for preparing polyurea and polyurea/polyurethane polymers from polymeric polyamine | James M. Bentley, Guy Frijns, David J. Sparrow | 1989-07-18 |
| 4801736 | Polyester polyols containing monoalkanolamine derived units | Gian-Carlo Bagaglio, James M. Bentley | 1989-01-31 |