Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4524227 | Coproduction of durene and gasoline from synthesis gas and alcohols and separation of durene-gasoline mixtures | Tsoung Y. Yan | 1985-06-18 | $7,006,000 |
| 4524228 | Production of durene and gasoline from synthesis gas | Tsoung Y. Yan | 1985-06-18 | $7,006,000 |
| 4524231 | Production of durene from alcohols and ethers | Tsoung Y. Yan | 1985-06-18 | $7,006,000 |
| 4466882 | Simultaneous beneficiation and treatment of oil shale | Costandi A. Audeh, Joseph J. Dickert, Jr. | 1984-08-21 | $11,543,000 |
| 4452621 | Direct cooling crystallization | Tsoung Y. Yan | 1984-06-05 | $6,736,000 |
| 4447311 | Dewaxing process | Gerald L. Shoemaker, Tsoung Y. Yan | 1984-05-08 | $5,848,000 |