| 9994778 |
Direct coal liquefaction process and system |
Richard F. Bauman, Richard P. O'Connor |
2018-06-12 |
| 7419585 |
Process for upgrading residua |
Craig Y. Sabottke |
2008-09-02 |
| 7160437 |
Method for determining the source of fouling in thermal conversion process units |
Leo D. Brown, William N. Olmstead, Michael Siskin |
2007-01-09 |
| 5795464 |
Conversion of the organic component from tar sands to lower boiling products |
Bruce M. Sankey, Roby Bearden, Jr. |
1998-08-18 |
| 5338441 |
Liquefaction process |
Steve C. LeViness, Steve J. Hsia, Michael Y. Wen, Stephen M. Davis, Claude C. Culross |
1994-08-16 |
| 5294349 |
Coal depolymerization and hydroprocessing |
George M. Kramer, Edwin R. Ernst, Chang S. Hsu, Gopal H. Singhal |
1994-03-15 |
| 5096569 |
Catalytic hydropyrolysis of carbonaceous material with char recycle |
Russell R. Chianelli |
1992-03-17 |
| 5055181 |
Hydropyrolysis-gasification of carbonaceous material |
Martin L. Gorbaty |
1991-10-08 |
| 4831003 |
Catalyst composition and process of making |
Robert J. Lang, Veluswamy R. LaVanga |
1989-05-16 |
| 4824558 |
Coal liquefaction process with metal/iodine cocatalyst |
Lonnie W. Vernon, William E. Winter, Gopal H. Singhal |
1989-04-25 |
| 4485008 |
Liquefaction process |
Lavanga R. Veluswamy, Lonnie W. Vernon |
1984-11-27 |
| 4338182 |
Multiple-stage hydrogen-donor coal liquefaction |
Lonnie W. Vernon |
1982-07-06 |
| 4338184 |
Coal conversion in the presence of added alkali metal compounds |
Lavanga R. Veluswamy, Charles Vadovic |
1982-07-06 |
| 4322283 |
Coal conversion in the presence of added hydrogen sulfide |
Lavanga R. Veluswamy |
1982-03-30 |
| 4313816 |
Staged temperature coal conversion process |
Lavanga R. Veluswamy |
1982-02-02 |
| 4283267 |
Staged temperature hydrogen-donor coal liquefaction process |
Lonnie W. Vernon |
1981-08-11 |
| 4189371 |
Multiple-stage hydrogen-donor coal liquefaction process |
Lonnie W. Vernon |
1980-02-19 |