Issued Patents All Time
Showing 26–50 of 80 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4935566 | Dehydrocyclization and reforming process | Ralph M. Dessau, Randall D. Partridge, James C. Vartuli | 1990-06-19 |
| 4931416 | Thallium or lead-containing microporous crystalline materials and their use as dehydrogenation dehydrocyclization and reforming catalysts | Ralph M. Dessau | 1990-06-05 |
| 4929790 | Catalytic conversion of propane to ethylene over ZSM-23 | Warren W. Kaeding | 1990-05-29 |
| 4923690 | Method for producing highly siliceous zeolites | Stephen S. Wong, Robert B. Calvert | 1990-05-08 |
| 4922050 | Catalytic dehydrogenation of hydrocarbons over indium-containing crystalline microporous materials | Ralph M. Dessau, Randall D. Partridge | 1990-05-01 |
| 4913796 | Novel crystalline silicoaluminophosphate | — | 1990-04-03 |
| 4913795 | Novel crystalline metalloaluminophosphate | — | 1990-04-03 |
| 4902406 | Synthesis of zeolite ZSM-22 | — | 1990-02-20 |
| 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 |
| 4778780 | Synthesis of crystalline SAPO-17 | Roland von Ballmoos | 1988-10-18 |
| 4752378 | Catalysis over crystalline silicate ZSM-58 | — | 1988-06-21 |
| 4717780 | Catalytic aromatics conversion | David H. Olson, Paul G. Rodewald | 1988-01-05 |
| 4709114 | Catalytic oxygenate conversion | Paul G. Rodewald | 1987-11-24 |
| 4698217 | Crystalline silicate ZSM-58 and process for its preparation using a methyltropinium cation | — | 1987-10-06 |
| 4670615 | Hydrocarbon compound conversion | — | 1987-06-02 |
| 4665250 | Process for converting light olefins to gasoline, distillate and lube range hydrocarbons | Cynthia T-W. Chu | 1987-05-12 |