Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877832 | Thermoset resin compositions | Adrian Cassola, John Kwok, Keith J. Robinson, Brian Smith | 1989-10-31 |
| 4855337 | Heterogeneous polymers | Claude Dequatre, Peter Blanpain | 1989-08-08 |
| 4837252 | Polymer-asphalt mixing process | Frederick P. Seguin | 1989-06-06 |