Issued Patents All Time
Showing 51–75 of 77 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5043503 | Production of lubricant stocks from polycyclic paraffins | Kenneth J. Del Rossi | 1991-08-27 |
| 5043513 | Catalytic hydrodealkylation of aromatics | Paul A. Howley | 1991-08-27 |
| 5000839 | Hydrocracking process for producing a high density jet fuel | Garry W. Kirker, Sadi Mizrahi | 1991-03-19 |
| 5001296 | Catalytic hydrodealkylation of aromatics | Paul A. Howley | 1991-03-19 |
| 4997544 | Hydroconversion process | Tai-Sheng Chou, Clinton R. Kennedy | 1991-03-05 |
| 4983273 | Hydrocracking process with partial liquid recycle | Clinton R. Kennedy, Robert A. Ware | 1991-01-08 |
| 4968402 | Process for upgrading hydrocarbons | Garry W. Kirker | 1990-11-06 |
| 4846959 | Manufacture of premium fuels | Clinton R. Kennedy | 1989-07-11 |
| 4828677 | Production of high octane gasoline | Ronald H. Fischer, Rene B. LaPierre, Philip Varghese | 1989-05-09 |
| 4696732 | Simultaneous hydrotreating and dewaxing of petroleum feedstocks | Philip J. Angevine, Yung F. Chu, Kenneth M. Mitchell, Stephen M. Oleck, Robert C. Wilson, Jr. | 1987-09-29 |
| 4695364 | Lube or light distillate hydrodewaxing method and apparatus with light product removal and enhanced lube yields | Kenneth R. Graziani, Chwan P. Kyan, Raymond M. Sowiak | 1987-09-22 |
| 4612108 | Hydrocracking process using zeolite beta | Philip J. Angevine, Kenneth M. Mitchell, Stephen M. Oleck | 1986-09-16 |
| 4592828 | Process for upgrading petroleum residua | Yung F. Chu | 1986-06-03 |
| 4549955 | Process for stabilizing hydroprocessed lubricating oil stocks by the addition of hydrogen sulfide | — | 1985-10-29 |
| 4455216 | Polarity gradient extraction method | Philip J. Angevine, Michael B. Carroll, Samuel A. Tabak | 1984-06-19 |
| 4452690 | Petroleum residual visbreaking through molecular grafting | — | 1984-06-05 |
| 4450067 | Distillation-induced extraction process | Philip J. Angevine, Michael B. Carroll, Samuel A. Tabak | 1984-05-22 |
| 4448672 | Process for the combined deashing/deasphalting of coal liquids | Philip J. Angevine, Michael B. Carroll, Samuel A. Tabak | 1984-05-15 |
| 4442023 | Hydrotreating hydrocarbon feedstocks | Roland H. Heck, Edward J. Rosinski | 1984-04-10 |
| 4430198 | Hydrotreating hydrocarbon feedstocks | Roland H. Heck, Edward J. Rosinski | 1984-02-07 |
| 4421633 | Low pressure cyclic hydrocracking process using multi-catalyst bed reactor for heavy liquids | Donald Milstein | 1983-12-20 |
| 4382851 | Methylation process | Philip J. Angevine | 1983-05-10 |
| 4378288 | Coking process by addition of free radical inhibitors | Philip J. Angevine | 1983-03-29 |
| 4357263 | Catalyst for the upgrading of aromatic liquids | Roland H. Heck, Stephen M. Cleck, Robert Wilson | 1982-11-02 |
| 4354927 | Method of removing contaminants from hydrocarbonaceous fluids using high-sodium alumina | Philip J. Angevine, Stephen M. Oleck | 1982-10-19 |