Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4849460 | Process for preparing polyurea and polyurea/polyurethane polymers from polymeric polyamine | James P. Brown, Guy Frijns, David J. Sparrow | 1989-07-18 |
| 4801736 | Polyester polyols containing monoalkanolamine derived units | Gian-Carlo Bagaglio, James P. Brown | 1989-01-31 |