Issued Patents All Time
Showing 25 most recent of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6013598 | Selective hydrodesulfurization catalyst | Mark P. Lapinski, Kenneth L. Riley, Michele S. Touvelle | 2000-01-11 |
| 5338717 | Method for the preparation of supported hydrogenation and hydrotreating catalysts | Kenneth L. Riley | 1994-08-16 |
| 5336654 | Method for the preparation of supported hydrogenation and hydrotreating catalysts | Kenneth L. Riley | 1994-08-09 |
| 5198100 | Hydrotreating using novel hydrotreating catalyst | Kenneth L. Riley | 1993-03-30 |
| 5164354 | Supported hydrogenation and hydrotreating catalysts | Kenneth L. Riley | 1992-11-17 |
| 5108581 | Hydroconversion of heavy feeds by use of both supported and unsupported catalysts | Roby Bearden, Jr., William E. Lewis | 1992-04-28 |
| 5053376 | Method of preparing a sulfided molybdenum catalyst concentrate | Roby Bearden, Jr. | 1991-10-01 |
| 5039392 | Hydroconversion process using a sulfided molybdenum catalyst concentrate | Roby Bearden, Jr. | 1991-08-13 |
| 4992163 | Cat cracking feed preparation | Roby Bearden, Jr. | 1991-02-12 |
| 4988434 | Removal of metallic contaminants from a hydrocarbonaceous liquid | Roby Bearden, Jr., Kenneth L. Riley | 1991-01-29 |
| 4954240 | Combination coking and hydroconversion process | Clarence M. Eidt, Jr., Roby Bearden, Jr. | 1990-09-04 |
| 4793916 | Coal liquefaction process | Roby Bearden, Jr. | 1988-12-27 |
| 4765882 | Hydroconversion process | William E. Lewis, Roby Bearden, Jr., Francis X. Mayer | 1988-08-23 |
| 4762607 | Hydroconversion process with combined temperature and feed staging | William E. Lewis, Roby Bearden, Jr., Francis X. Mayer | 1988-08-09 |
| 4750985 | Combination coking and hydroconversion process | Roby Bearden, Jr., Clarence M. Eidt, Jr. | 1988-06-14 |
| 4740295 | Hydroconversion process using a sulfided molybdenum catalyst concentrate | Roby Bearden, Jr., Francis X. Mayer, James H. Taylor, William E. Lewis | 1988-04-26 |
| 4740489 | Method of preparing a hydroconversion sulfided molybdenum catalyst concentrate | Roby Bearden, Jr., Francis X. Mayer, James H. Taylor, William E. Lewis | 1988-04-26 |
| 4637870 | Hydrocracking with phosphomolybdic acid and phosphoric acid | Roby Bearden, Jr. | 1987-01-20 |
| 4637871 | Hydrocracking with aqueous phosphomolybdic acid | Roby Bearden, Jr. | 1987-01-20 |
| 4604190 | Hydrocracking with chromic acid and an aliphatic polyhydroxy compound | Roby Bearden, Jr. | 1986-08-05 |
| 4579838 | Catalysts and hydroconversion processes utilizing the same | Roby Bearden, Jr. | 1986-04-01 |
| 4578182 | Catalysts and hydroconversion processes utilizing the same | Roby Bearden, Jr. | 1986-03-25 |
| 4569752 | Combination coking and hydroconversion process | Roby Bearden, Jr. | 1986-02-11 |
| 4569751 | Combination coking and hydroconversion process | Clarence M. Eidt, Jr., Roby Bearden, Jr. | 1986-02-11 |
| 4567156 | Oil soluble chromium catalyst | Roby Bearden, Jr. | 1986-01-28 |