Issued Patents All Time
Showing 26–50 of 75 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4803186 | Shape selective crystalline silicate zeolite containing intermetallic component and use as catalyst in hydrocarbon conversions | Thomas F. Degnan, Paul B. Weisz | 1989-02-07 |
| 4790928 | Catalytic conversion over dehydroxylated zeolite | Clarence D. Chang, Stuart D. Hellring, Ying-Yen P. Tsao, Dennis E. Walsh | 1988-12-13 |
| 4789656 | Crystalline silicate zeolite beta of improved stability | Sharon B. McCullen | 1988-12-06 |
| 4764266 | Integrated hydroprocessing scheme for production of premium quality distillates and lubricants | Rene B. LaPierre, Randall D. Partridge, Stephen S. Wong | 1988-08-16 |
| 4756822 | Hydroprocessing catalyst and process | Tracy J. Huang | 1988-07-12 |
| 4749467 | Lube dewaxing method for extension of cycle length | Bruce P. Pelrine | 1988-06-07 |
| 4740292 | Catalytic cracking with a mixture of faujasite-type zeolite and zeolite beta | Anthony Y. Kam, Clinton R. Kennedy, Anil B. Ketkar, Donald M. Nace, Robert A. Ware | 1988-04-26 |
| 4737263 | Process and apparatus for catalytic dewaxing of paraffinic stocks and the simultaneous removal of cracked products | Thomas F. Degnan, Bruce P. Pelrine, Richard F. Socha | 1988-04-12 |
| 4711710 | Process for making improved lubricating oils from heavy feedstock | Thomas F. Degnan, Susan M. Leiby, Stephen M. Oleck, Bruce P. Pelrine | 1987-12-08 |
| 4690903 | Process for preparing organic fuels and chemicals from biomass | Joseph N. Miale | 1987-09-01 |
| 4672049 | Hydroprocessing catalyst | Tracy J. Huang | 1987-06-09 |
| 4668377 | Catalytic process for dewaxing | Bruce P. Pelrine | 1987-05-26 |
| 4649127 | Process for hydrogenative reactivation of spent catalysts | Thomas F. Degnan | 1987-03-10 |
| 4627911 | Dispersed catalyst cracking with methanol as a coreactant | Thomas F. Degnan | 1986-12-09 |
| 4615997 | Method for preparing hydroisomerization catalysts | Sharon B. McCullen, Stephen M. Oleck | 1986-10-07 |
| 4604261 | Hydroprocessing reactor for catalytically dewaxing liquid petroleum feedstocks | Thomas F. Degnan | 1986-08-05 |
| 4583993 | Process for the production of carbon monoxide and hydrogen from carbonaceous material | — | 1986-04-22 |
| 4549031 | Conversion of carbohydrates | Leonard R. Koenig | 1985-10-22 |
| 4522703 | Thermal treatment of heavy hydrocarbon oil | Tsoung Y. Yan | 1985-06-11 |
| 4518485 | Hydrotreating/isomerization process to produce low pour point distillate fuels and lubricating oil stocks | Rene B. LaPierre, Randall D. Partridge, Stephen S. Wong | 1985-05-21 |
| 4515892 | Fermentation process | Joseph N. Miale | 1985-05-07 |
| 4503278 | Process for converting carbohydrates to hydrocarbons | Leonard R. Koenig | 1985-03-05 |
| 4501926 | Catalytic dewaxing process with zeolite beta | Rene B. LaPierre, Randell D. Partridge, Steven S. Wong | 1985-02-26 |
| 4500417 | Conversion of Fischer-Tropsch products | Werner O. Haag, Tracy J. Huang, Stephen S. Wong | 1985-02-19 |
| 4479804 | Fixed sulfur petroleum coke fuel and method for its production | Dennis E. Walsh | 1984-10-30 |