Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10800982 | Processing scheme for production of low sulfur bunker fuel | Eric D. Peer, Sophie M. Babusiaux | 2020-10-13 |
| 10487274 | Integrated coal liquefaction, petroleum or biomass facility with decreased carbon dioxide production and higher carbon and thermal efficiencies | James J. Colyar, Eric D. Peer | 2019-11-26 |
| 10400108 | Carbon black feedstock from direct coal liquefaction | James J. Colyar | 2019-09-03 |
| 8252169 | Process for upgrading coal pyrolysis oils | James B. MacArthur, James J. Colyar | 2012-08-28 |
| 8226821 | Direct coal liquefaction with integrated product hydrotreating and catalyst cascading | James B. MacArthur | 2012-07-24 |
| 7938953 | Selective heavy gas oil recycle for optimal integration of heavy oil conversion and vacuum gas oil treating | James J. Colyar | 2011-05-10 |
| 7938952 | Process for multistage residue hydroconversion integrated with straight-run and conversion gasoils hydroconversion steps | James J. Colyar | 2011-05-10 |
| 7919054 | Process and installation for conversion of heavy petroleum fractions in a boiling bed with integrated production of middle distillates with a very low sulfur content | Lawrence I. Wisdom, Andrea Gragnani | 2011-04-05 |
| 7704377 | Process and installation for conversion of heavy petroleum fractions in a boiling bed with integrated production of middle distillates with a very low sulfur content | Lawrence I. Wisdom, Andrea Gragnani | 2010-04-27 |
| 5925238 | Catalytic multi-stage hydrodesulfurization of metals-containing petroleum residua with cascading of rejuvenated catalyst | Lawrence M. Abrams, Steven J. Hildebrandt | 1999-07-20 |
| 5906953 | Catalyst rejuvenation process | Lawrence M. Abrams, Steven J. Hildebrandt | 1999-05-25 |