Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4374725 | Process for coal liquefaction | Thomas O. Mitchell, Malvina Farcasiu | 1983-02-22 |
| 4354922 | Processing of heavy hydrocarbon oils | Francis J. Derbyshire, Philip Varghese | 1982-10-19 |
| 4347116 | Two-stage coal liquefaction | Thomas O. Mitchell, Malvina Farcasiu | 1982-08-31 |
| 4334977 | Method for the generation of recycle solvents in coal liquefaction | Francis J. Derbyshire, Philip Varghese | 1982-06-15 |
| 4329221 | Upgrading of hydrocarbon feedstock | Malvina Farcasiu, Thomas O. Mitchell | 1982-05-11 |
| 4323698 | Resin-metal compound complex for catalyzing chemical reactions | Werner O. Haag | 1982-04-06 |
| 4303497 | Desulfurization, demetalation and denitrogenation of coal | Thomas O. Mitchell, Malvina Farcasiu | 1981-12-01 |
| 4303494 | Continuous reaction/separation method for nucleated growth reactions | Tsoung Y. Yan | 1981-12-01 |
| 4293404 | Dehydroxylation and/or demercaptolation of heavy petroleum oils | Malvina Farcasiu | 1981-10-06 |
| 4292168 | Upgrading heavy oils by non-catalytic treatment with hydrogen and hydrogen transfer solvent | Francis J. Derbyshire, Thomas O. Mitchell | 1981-09-29 |
| 4292164 | Liquefaction of carbonaceous material with hydrogen and naphtha-extracted recycle solvent without heterogeneous catalyst | Francis J. Derbyshire | 1981-09-29 |
| 4257869 | Liquefaction of acid treated coal | Joseph J. Dickert, Jr., Thomas O. Mitchell | 1981-03-24 |
| 4247384 | Liquefaction of carbonaceous materials | Nai Y. Chen, Dennis E. Walsh, Tsoung Y. Yan | 1981-01-27 |
| 4218571 | Olefin hydrogenation over synthetic amorphous silica | Thomas O. Mitchell | 1980-08-19 |
| 4213921 | Olefin hydroformylation | Thomas O. Mitchell | 1980-07-22 |
| 4211880 | Resin-metal compound complex | Werner O. Haag | 1980-07-08 |