Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4576710 | Catalyst desulfurization of petroleum residua feedstocks | Govanon Nongbri | 1986-03-18 |
| 4521295 | Sustained high hydroconversion of petroleum residua feedstocks | Richard M. Eccles, Govanon Nongbri | 1985-06-04 |
| 4452911 | Frangible catalyst pretreatment method for use in hydrocarbon hydrodemetallization process | Richard M. Eccles, Allen Li, Shyy-Jong D. Lin, Virginia A. Malik | 1984-06-05 |
| 4427535 | Selective operating conditions for high conversion of special petroleum feedstocks | Govanon Nongbri, Susan M. Brandt | 1984-01-24 |
| 4400263 | H-Coal process and plant design | Paul H. Kydd, George DEVAUX | 1983-08-23 |
| 4342641 | Maximizing jet fuel from shale oil | Henry E. Reif, Peter Maruhnic | 1982-08-03 |
| 4323446 | Multi-zone coal conversion process using particulate carrier material | Edwin S. Johanson, Marvin S. Rakow | 1982-04-06 |
| 4221653 | Catalytic hydrogenation process and apparatus with improved vapor liquid separation | Alfred G. Comolli | 1980-09-09 |
| 4217201 | Integrated coal cleaning, liquefaction, and gasification process | — | 1980-08-12 |
| 4191629 | Reactor residuum concentration control in hydroconversion of coal | — | 1980-03-04 |