Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861853 | Isocyanate functional polymers | Brian C. Petrie, Thomas W. Druetzler | 1989-08-29 |
| 4859758 | Acid-functional polymers derived from cellulose ester-unsaturated alcohol copolymers, which are reacted with cyclic anhydrides | Mohamad D. Shalati, James A. Marquart, John R. Babjak | 1989-08-22 |