Issued Patents All Time
Showing 51–70 of 70 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5019665 | Shape-selective process for concentrating diamondoid-containing hydrocarbon solvents | D. Duayne Whitehurst | 1991-05-28 |
| 5019664 | Process for the conversion of paraffins to olefins and/or aromatics and low acidity zeolite catalyst therefor | Kenneth J. Del Rossi, Ralph M. Dessau, Albin Huss, Jr., Garry W. Kirker, David O. Marler | 1991-05-28 |
| 4962250 | Process for the conversion of paraffins to olefins and/or aromatics and non-acidic zeolite catalyst therefor | Ralph M. Dessau | 1990-10-09 |
| 4962269 | Isomerization process | Rene B. LaPierre, Stephen S. Wong | 1990-10-09 |
| 4944862 | Integrated catalytic dewaxing and catalytic cracking process | Nai Y. Chen, Anil B. Ketkar | 1990-07-31 |
| 4935566 | Dehydrocyclization and reforming process | Ralph M. Dessau, Ernest W. Valyocsik, James C. Vartuli | 1990-06-19 |
| 4922050 | Catalytic dehydrogenation of hydrocarbons over indium-containing crystalline microporous materials | Ralph M. Dessau, Ernest W. Valyocsik | 1990-05-01 |
| 4871702 | Ammonium activation of zeolites in the presence of gaseous ammonia | Clarence D. Chang, Cynthia T-W. Chu, Carol S. Lee | 1989-10-03 |
| 4855530 | Isomerization process | Rene B. LaPierre, Steven S. Wong | 1989-08-08 |
| 4851109 | Integrated hydroprocessing scheme for production of premium quality distillates and lubricants | Nai Y. Chen, Rene B. LaPierre, Stephen S. Wong | 1989-07-25 |
| 4849567 | Catalytic dehydrogenation of hydrocarbons over indium-containing crystalline microporous materials | Ralph M. Dessau, Ernest W. Valyocsik | 1989-07-18 |
| 4840930 | Method for preparing acid stable zeolites and high silica zeolites prepared by it | Rene B. LaPierre, Paul Reischman, George T. Kerr | 1989-06-20 |
| 4839027 | Catalytic reforming process | Robert P. L. Absil, Albin Huss, Jr., William D. McHale | 1989-06-13 |
| 4820402 | Hydrocracking process with improved distillate selectivity with high silica large pore zeolites | Rene B. LaPierre | 1989-04-11 |
| 4764266 | Integrated hydroprocessing scheme for production of premium quality distillates and lubricants | Nai Y. Chen, Rene B. LaPierre, Stephen S. Wong | 1988-08-16 |
| 4541919 | Shape selective dewaxing using coke modified large pore zeolites | Rene B. LaPierre | 1985-09-17 |
| 4518485 | Hydrotreating/isomerization process to produce low pour point distillate fuels and lubricating oil stocks | Rene B. LaPierre, Nai Y. Chen, Stephen S. Wong | 1985-05-21 |
| 4498976 | Suppression of light gas production in cracking processes by the addition of highly siliceous materials having high surface area and low acidity | Thomas F. Degnan | 1985-02-12 |
| 4431519 | Method for catalytically dewaxing oils | Rene B. LaPierre | 1984-02-14 |
| 4419220 | Catalytic dewaxing process | Rene B. LaPierre, Nai Y. Chen, Steven S. Wong | 1983-12-06 |