Issued Patents 1989
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |