Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840930 | Method for preparing acid stable zeolites and high silica zeolites prepared by it | Randall D. Partridge, Paul Reischman, George T. Kerr | 1989-06-20 |
| 4828677 | Production of high octane gasoline | Ronald H. Fischer, Stuart S. Shih, Philip Varghese | 1989-05-09 |
| 4820402 | Hydrocracking process with improved distillate selectivity with high silica large pore zeolites | Randall D. Partridge | 1989-04-11 |
| 4789457 | Production of high octane gasoline by hydrocracking catalytic cracking products | Ronald H. Fischer, Yun-Yang Huang, Philip Varghese | 1988-12-06 |
| 4788375 | Olefin conversion to lubricant range hydrocarbons | William E. Garwood, Guenter G. Kuehl | 1988-11-29 |
| 4784746 | Crude oil upgrading process | Malvina Farcasiu | 1988-11-15 |
| 4764266 | Integrated hydroprocessing scheme for production of premium quality distillates and lubricants | Nai Y. Chen, Randall D. Partridge, Stephen S. Wong | 1988-08-16 |
| 4754100 | Catalytic conversion of C.sub.3 aliphatics to higher hydrocarbons | Charles Sorensen, Roger A. Morrison, Philip Varghese | 1988-06-28 |
| 4738766 | Production of high octane gasoline | Ronald H. Fischer, Peter J. Owens, Philip Varghese | 1988-04-19 |
| 4676887 | Production of high octane gasoline | Ronald H. Fischer, Yun-Yang Huang, Philip Varghese | 1987-06-30 |
| 4650655 | Crystallization of ZSM-5 from reaction mixtures containing zeolite beta | Pochen Chu | 1987-03-17 |
| 4541919 | Shape selective dewaxing using coke modified large pore zeolites | Randall D. Partridge | 1985-09-17 |
| 4518485 | Hydrotreating/isomerization process to produce low pour point distillate fuels and lubricating oil stocks | Randall D. Partridge, Nai Y. Chen, Stephen S. Wong | 1985-05-21 |
| 4501926 | Catalytic dewaxing process with zeolite beta | Randell D. Partridge, Nai Y. Chen, Steven S. Wong | 1985-02-26 |
| 4431519 | Method for catalytically dewaxing oils | Randall D. Partridge | 1984-02-14 |
| 4419220 | Catalytic dewaxing process | Randall D. Partridge, Nai Y. Chen, Steven S. Wong | 1983-12-06 |
| 4247386 | Conversion of hydrocarbons to olefins | Vern W. Weekman, Jr. | 1981-01-27 |
| 4231955 | Synthesis of alkyl and alkylaminonitriles | Clarence D. Chang, William H. Lang | 1980-11-04 |