Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845154 | Copolymers of aromatic vinyl compounds and conjugated diolefins having substantial increase in aromatic vinyl compound differential content | Robert J. Blythe, Gerardus E. La Heij | 1989-07-04 |