Issued Patents All Time
Showing 76–100 of 188 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5104495 | Crystalline (metallo) aluminophosphate composition MCM-40, its synthesis and usage in hydrocarbon conversion | John D. Lutner, John L. Schlenker | 1992-04-14 |
| 5091073 | Crystalline molecular sieve compositions MCM-37 | Cynthia T-W. Chu, Ralph M. Dessau, John B. Higgins, John D. Lutner, John D. Schlenker | 1992-02-25 |
| 5061466 | Synthesis of large pore zeolites containing gallium | Cynthia T-W. Chu, Thomas F. Degnan, Sharon B. McCullen | 1991-10-29 |
| 5057640 | Propylene oligomerization over silica modified zeolites | Paul G. Rodewald | 1991-10-15 |
| 5043307 | Modified crystalline aluminosilicate zeolite catalyst and its use in the production of lubes of high viscosity index | Emmerson Bowes, Scott Han, David S. Shihabi | 1991-08-27 |
| 5001094 | Hydrocarbon conversion process including acidic zeolite reactivation | Cynthia T-W. Chu | 1991-03-19 |
| 4973784 | Process for reducing the durene content of effluent resulting from the catalytic conversion of C.sub.1 -C.sub.4 oxygenates to gasoline | Scott Han | 1990-11-27 |
| 4943545 | Activation of zeolites | Scott Han, Bruce P. Pelrine | 1990-07-24 |
| 4919790 | Method for hydrocarbon dewaxing utilizing a reactivated spent MTG zeolite catalyst | Robert P. L. Absil, Cynthia T-W. Chu, Donald J. Klocke | 1990-04-24 |
| 4912275 | Ammonium activation of zeolites in the presence of gaseous ammonia | Cynthia T-W. Chu, Carol S. Lee | 1990-03-27 |
| 4902663 | Active amorphous mixed oxides | Cynthia T-W. Chu | 1990-02-20 |
| 4876411 | Modified crystalline aluminosilicate zeolite catalyst and its use in the production of lubes of high viscosity index | Emmerson Bowes, Scott Han, David S. Shihabi | 1989-10-24 |
| 4876228 | Zeolite modifications | Cynthia T-W. Chu, Pochen Chu, Ralph M. Dessau, William E. Garwood, Guenter H. Kuehl +2 more | 1989-10-24 |
| 4871702 | Ammonium activation of zeolites in the presence of gaseous ammonia | Cynthia T-W. Chu, Carol S. Lee, Randall D. Partridge | 1989-10-03 |
| 4870192 | Production of lactones and omega-hydroxycarboxylic acids | Stuart D. Hellring | 1989-09-26 |
| 4855431 | Process for making alkyl pyrazines | Patrick D. Perkins | 1989-08-08 |
| 4846853 | Layered divalent metal hydrogen phosphates | Stuart D. Hellring | 1989-07-11 |
| 4837398 | Ammonium activation of zeolites in the presence of gaseous ammonia | Cynthia T-W. Chu, Carol S. Lee | 1989-06-06 |
| 4790928 | Catalytic conversion over dehydroxylated zeolite | Nai Y. Chen, Stuart D. Hellring, Ying-Yen P. Tsao, Dennis E. Walsh | 1988-12-13 |
| 4788377 | Process for manufacturing olefins | Cynthia T-W. Chu | 1988-11-29 |
| 4788378 | Dewaxing by isomerization | David S. Shihabi, Paul B. Weisz | 1988-11-29 |
| 4788370 | Catalytic conversion | David S. Shihabi, Paul B. Weisz | 1988-11-29 |
| 4784749 | Cracking/dewaxing | David S. Shihabi, Paul B. Weisz | 1988-11-15 |
| 4783571 | Catalytic conversion over dehydroxylated zeolite | Stuart D. Hellring, Richard F. Socha | 1988-11-08 |
| 4780194 | Organic compound conversion with ammonium hydroxide and alkali metal aluminate treated zeolite | Joseph N. Miale | 1988-10-25 |