Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4925894 | Elastomer compositions for tire treads having low rolling resistance and good wet and dry grip traction | — | 1990-05-15 |
| 4835199 | Bituminous composition comprising a blend of bitumen and a thermoplastic elastomer | Georg G. A. Bohm | 1989-05-30 |
| 4778852 | Roofing composition | — | 1988-10-18 |
| 4356286 | Thermoplastic elastomer blends of a nitrile rubber and a crystalline polyamide mixture | Tristram W. Bethea | 1982-10-26 |
| 4299993 | Method for increasing the primary hydroxyl end groups in polyethers | Tristram W. Bethea | 1981-11-10 |