Issued Patents All Time
Showing 51–75 of 75 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4470254 | Process and apparatus for coal combustion | Darrell D. Whitehurst, Tsoung Y. Yan | 1984-09-11 |
| 4446004 | Process for upgrading vacuum resids to premium liquid products | Lillian A. Rankel, Leslie R. Rudnick | 1984-05-01 |
| 4443325 | Conversion of residua to premium products via thermal treatment and coking | Lillian A. Rankel | 1984-04-17 |
| 4420561 | Fermentation process | Joseph N. Miale | 1983-12-13 |
| 4419220 | Catalytic dewaxing process | Rene B. LaPierre, Randall D. Partridge, Steven S. Wong | 1983-12-06 |
| 4411770 | Hydrovisbreaking process | Eric Scott, David S. Shihabi | 1983-10-25 |
| 4396538 | Hydrotreating/hydrocracking catalyst | David S. Shihabi | 1983-08-02 |
| 4363717 | Conversion of heavy hydrocarbon oils | Bruce P. Pelrine, Tsoung Y. Yan | 1982-12-14 |
| 4358290 | Burning properties of fluid coke | Dennis E. Walsh | 1982-11-09 |
| 4311865 | Manufacture of hydrocarbons from oxygenates | Joseph N. Miale, William J. Reagan | 1982-01-19 |
| 4305809 | Fixed sulfur petroleum coke fuel and method for its production | Dennis E. Walsh | 1981-12-15 |
| 4302323 | Catalytic hydroconversion of residual stocks | — | 1981-11-24 |
| 4302324 | Delayed coking process | Dennis E. Walsh | 1981-11-24 |
| 4278565 | Hydrocarbon manufacture from alcohols | William J. Reagan | 1981-07-14 |
| 4269697 | Low pour point heavy oils | David S. Shihabi | 1981-05-26 |
| 4263129 | Hydrotreating/hydrocracking process with low acidity catalyst | David S. Shihabi | 1981-04-21 |
| 4260839 | Ethane conversion process | Werner O. Haag, Tracy J. Huang | 1981-04-07 |
| 4247384 | Liquefaction of carbonaceous materials | Dennis E. Walsh, Tsoung Y. Yan, Darrell D. Whitehurst | 1981-01-27 |
| 4231899 | Method of producing a steam stable aluminosilicate zeolite catalyst | Joseph N. Miale, William J. Reagan | 1980-11-04 |
| 4229608 | Heat balanced cyclic process for manufacture of light olefins | Werner O. Haag, Rudolph M. Lago | 1980-10-21 |
| 4222855 | Production of high viscosity index lubricating oil stock | Bruce P. Pelrine | 1980-09-16 |
| 4213847 | Catalytic dewaxing of lubes in reactor fractionator | Ikai Wang | 1980-07-22 |
| 4211635 | Catalytic conversion of hydrocarbons | — | 1980-07-08 |
| 4197214 | Crystalline zeolite catalysts of chemical reactions | William J. Reagan, Vern W. Weekman, Jr. | 1980-04-08 |
| 4194964 | Catalytic conversion of hydrocarbons in reactor fractionator | Ikai Wang | 1980-03-25 |