Issued Patents 1989
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886926 | Catalytic dehydrogenation of hydrocarbons over tin-containing crystalline microporous materials | Ralph M. Dessau, James C. Vartuli | 1989-12-12 |
| 4882040 | Reforming process | Ralph M. Dessau | 1989-11-21 |
| 4877593 | Synthesis of crystalline aluminophosphate composition | — | 1989-10-31 |
| 4873067 | Zeolite ZSM-57 | Nancy M. Page, Cynthia T-W. Chu | 1989-10-10 |
| 4869806 | Production of high viscosity index lubricating oil stock | Thomas F. Degnan, Roger A. Morrison | 1989-09-26 |
| 4868145 | Dehydrogenation and dehydrocyclization catalyst | Ralph M. Dessau | 1989-09-19 |
| 4849567 | Catalytic dehydrogenation of hydrocarbons over indium-containing crystalline microporous materials | Ralph M. Dessau, Randall D. Partridge | 1989-07-18 |
| 4840780 | ZSM-51, method of preparing same and catalytic conversion therewith | — | 1989-06-20 |
| 4830729 | Dewaxing over crystalline indium silicates containing groups VIII means | Ralph M. Dessau, Chaya R. Venkat | 1989-05-16 |
| 4822942 | Styrene production | Ralph M. Dessau | 1989-04-18 |