Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5833840 | Hydrocarbon conversion process using zeolite Beta catalyst | George H. Hatzikos | 1998-11-10 |
| 5710085 | Manufacture of improved zeolite beta catalyst | George H. Hatzikos | 1998-01-20 |
| 5658454 | Hydrocarbon coversion using improved zeolite Beta catalyst | Thomas F. Degnan, George H. Hatzikos, Jocelyn A. Kowalski, Thomas Mebrahtu, Grant H. Yokomizo | 1997-08-19 |
| 5620590 | Hydrocracking process using small crystal size zeolite Y | James R. Katzer, Daria N. Lissy, Robert A. Ware, Stephen S. Wong | 1997-04-15 |
| 5456821 | Catalytic conversion with improved catalyst | Jocelyn A. Kowalski | 1995-10-10 |
| 5457078 | Manufacture of improved zeolite Beta catalyst | Thomas F. Degnan, George H. Hatzikos, Jocelyn A. Kowalski, Thomas Mebrahtu, Grant H. Yokomizo | 1995-10-10 |
| 5401704 | Hydrocracking catalyst and process using small crystal size zeolite Y | James R. Katzer, Daria N. Lissy, Robert A. Ware, Stephen S. Wong | 1995-03-28 |
| 5366948 | Catalyst and catalytic conversion therewith | Jocelyn A. Kowalski | 1994-11-22 |
| 5348643 | Catalytic conversion with improved catalyst | Joseph A. Herbst | 1994-09-20 |
| 5232579 | Catalytic cracking process utilizing a zeolite beta catalyst synthesized with a chelating agent | Joseph A. Herbst, Jocelyn A. Kowalski, Mae K. Rubin | 1993-08-03 |
| 5231064 | Cracking catalysts comprising phosphorus and method of preparing and using the same | Joseph A. Herbst | 1993-07-27 |
| 5173461 | Toluene disproportionation catalyst | Scott Han, David S. Shihabi, David O. Marler, Clarence D. Chang, Donna M. Mitko | 1992-12-22 |
| 5126298 | Cracking catalysts comprising clays with different particle sizes, and method of preparing and using the same | Jocelyn A. Kowalski | 1992-06-30 |
| 5085762 | Catalytic cracking of hydrocarbons | Emmerson Bowes, Gary J. Green, David O. Marler, David S. Shihabi, Richard F. Socha | 1992-02-04 |
| 5053374 | Method for preparing a zeolite catalyst bound with a refractory oxide of low acidity | Philip J. Angevine, Joseph A. Herbst, Donald J. Klocke, John P. McWilliams, Scott Han +1 more | 1991-10-01 |
| 5039640 | Catalyst composition for octane improvement in catalytic cracking | Philip J. Angevine, Robert G. Bundens, Joseph A. Herbst, Sadi Mizrahi, Mae K. Rubin | 1991-08-13 |
| 5030787 | Catalytic disproportionation/transalkylation utilizing a C9+ aromatics feed | Scott Han, David O. Marler, David S. Shihabi, James C. Vartuli, Philip Varghese | 1991-07-09 |
| 5013422 | Catalytic hydrocracking process | Thomas F. Degnan, Scott Han, David O. Marler, Richard F. Socha, Michael R. Stapleton | 1991-05-07 |
| 4983276 | Octane improvement in catalytic cracking and cracking catalyst composition therefor | Philip J. Angevine, Robert G. Bundens, Joseph A. Herbst | 1991-01-08 |
| 4962257 | Process for the catalytic disproportionation of toluene | Scott Han, David O. Marler, David S. Shihabi | 1990-10-09 |
| 4919790 | Method for hydrocarbon dewaxing utilizing a reactivated spent MTG zeolite catalyst | Clarence D. Chang, Cynthia T-W. Chu, Donald J. Klocke | 1990-04-24 |
| 4873216 | Lanthana-alumina-aluminum phosphate catalyst composition | Philip J. Angevine, Arthur W. Chester, Garry W. Kirker | 1989-10-10 |
| 4851604 | Toluene disproportionation | Scott Han, David O. Marler, David S. Shihabi | 1989-07-25 |
| 4839027 | Catalytic reforming process | Albin Huss, Jr., William D. McHale, Randall D. Partridge | 1989-06-13 |
| 4837397 | Nobile metal containing catalysts of improved stability | Yun-Yang Huang | 1989-06-06 |