Issued Patents All Time
Showing 51–75 of 79 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4578182 | Catalysts and hydroconversion processes utilizing the same | Clyde L. Aldridge | 1986-03-25 |
| 4569751 | Combination coking and hydroconversion process | Clarence M. Eidt, Jr., Clyde L. Aldridge | 1986-02-11 |
| 4569752 | Combination coking and hydroconversion process | Clyde L. Aldridge | 1986-02-11 |
| 4567156 | Oil soluble chromium catalyst | Clyde L. Aldridge | 1986-01-28 |
| 4557822 | Hydroconversion process | Clyde L. Aldridge | 1985-12-10 |
| 4548700 | Hydroconversion process | Clyde L. Aldridge | 1985-10-22 |
| 4537676 | Reducing metal content of oil feeds | Gordon F. Stuntz | 1985-08-27 |
| 4425225 | Reducing metal content of oil feeds | Gordon F. Stuntz | 1984-01-10 |
| 4424110 | Hydroconversion process | William C. Baird, Jr., Clyde L. Aldridge | 1984-01-03 |
| 4409093 | Process for reducing coke formation in heavy feed catalytic cracking | Gordon F. Stuntz | 1983-10-11 |
| 4400262 | Fluid coking with the addition of polymetaphosphoric acid catalysts | Robert C. Schucker | 1983-08-23 |
| 4372840 | Process for reducing coke formation in heavy feed catalytic cracking | Gordon F. Stuntz | 1983-02-08 |
| 4372841 | Process for reducing coke formation in heavy feed catalytic cracking | Gordon F. Stuntz | 1983-02-08 |
| 4370220 | Process for reducing coke formation in heavy feed catalytic cracking | Gordon F. Stuntz | 1983-01-25 |
| 4369106 | Coal liquefaction process | Clyde L. Aldridge | 1983-01-18 |
| 4357229 | Catalysts and hydrocarbon treating processes utilizing the same | Clyde L. Aldridge | 1982-11-02 |
| 4348270 | Catalysts and hydrocarbon treating processes utilizing the same | Clyde L. Aldridge, Lloyd A. Pine | 1982-09-07 |
| 4330392 | Hydroconversion process | Clyde L. Aldridge, William C. Baird, Jr. | 1982-05-18 |
| 4313818 | Hydrocracking process utilizing high surface area catalysts | Clyde L. Aldridge | 1982-02-02 |
| 4298454 | Hydroconversion of an oil-coal mixture | Clyde L. Aldridge | 1981-11-03 |
| 4295995 | Catalysts hydrocarbon treating processes | Clyde L. Aldridge | 1981-10-20 |
| 4295996 | Catalysts for hydrocarbon treating processes | Clyde L. Aldridge, Lloyd A. Pine | 1981-10-20 |
| 4280896 | Passivation of cracking catalysts | Gordon F. Stuntz | 1981-07-28 |
| 4280895 | Passivation of cracking catalysts | Gordon F. Stuntz | 1981-07-28 |
| 4244839 | High surface area catalysts | Clyde L. Aldridge | 1981-01-13 |