Issued Patents All Time
Showing 25 most recent of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6777583 | Binderless ex situ selectivated zeolite catalyst | Jeffrey S. Beck, Jane C. Cheng, David H. Olson, David L. Stern | 2004-08-17 |
| 6576582 | Binderless ex situ selectivated zeolite catalyst | Jeffrey S. Beck, Jane C. Cheng, David H. Olson, David L. Stern | 2003-06-10 |
| 6054052 | Selective sorption of organics by metal-containing M41S | Sandeep Dhingra, Charles T. Kresge | 2000-04-25 |
| 5726114 | Method of preparation of ex situ selectivated zeolite catalysts for enhanced shape selective applications and methods to increase the activity thereof | Clarence D. Chang, John D. Lutner, Paul G. Rodewald, David S. Shihabi | 1998-03-10 |
| 5698756 | Toluene alkylation with ethylene to produce para-ethyloluene | Jeffrey S. Beck, David H. Olson, David L. Stern | 1997-12-16 |
| 5689025 | Ethylbenzene production process with ex situ selectivated zeolite catalyst | Jeevan S. Abichandani, Jeffrey S. Beck, David H. Olson | 1997-11-18 |
| 5659098 | High conversion touluene disproportionation with ex situ selectivated zeolite catalysts | Jeffrey S. Beck, Timothy F. Kinn, David H. Olson, David L. Stern | 1997-08-19 |
| 5633417 | Enhanced shape selective applications and methods to increase the activity thereof | Jeffrey S. Beck, David H. Olson | 1997-05-27 |
| 5610112 | Method for modifying a catalyst | Rudolph M. Lago, David O. Marler | 1997-03-11 |
| 5552357 | Catalyst modification for shape selective hydrocarbon conversions | Rudolph M. Lago, David O. Marler, David H. Olson | 1996-09-03 |
| 5530170 | Ethylbenzene alkylation with ethylene to produce para-diethylbenzene | Jeffrey S. Beck, Stephen H. Brown, David H. Olson, David L. Stern | 1996-06-25 |
| 5495059 | Multiple impregnation technique for the preparation of ex situ selectivated zeolite catalysts | Jeffrey S. Beck, David H. Olson | 1996-02-27 |
| 5476823 | Method of preparation of ex situ selectivated zeolite catalysts for enhanced shape selective applications and method to increase the activity thereof | Jeffrey S. Beck, David H. Olson | 1995-12-19 |
| 5406015 | Selective ethylbenzene disproportionation processes (SEBDP) with ex situ selectivated zeolite catalyst | Jeffrey S. Beck, David H. Olson, Chaya R. Venkat | 1995-04-11 |
| 5403800 | Multiple impregnation technique for the preparation of ex situ selectivated zeolite catalysts | Jeffrey S. Beck, David H. Olson | 1995-04-04 |
| 5382737 | Selective ethylbenzene disproportionation process (SEBDP) with ex situ selectivated zeolite catalysts | Jeffrey S. Beck, David H. Olson, Chaya R. Venkat | 1995-01-17 |
| 5371312 | Shape selective hydrocarbon conversions over modified catalyst | Rudolph M. Lago, David O. Marler, David H. Olson | 1994-12-06 |
| 5370785 | Hydrocarbon conversion process employing a porous material | Jeffrey S. Beck, Charles T. Kresge, Wieslaw J. Roth, James C. Vartuli | 1994-12-06 |
| 5367099 | Selective toluene disproportionation process (STDP) with ex situ selectivated zeolite catalyst | Jeffrey S. Beck, David H. Olson | 1994-11-22 |
| 5365004 | Selective toluene disproportionation process (STDP) with ex situ selectivated zeolite catalysts | Jeffrey S. Beck, David H. Olson | 1994-11-15 |
| 5349114 | Shape selective hydrocarbon conversions over modified catalyst | Rudolph M. Lago, David O. Marler | 1994-09-20 |
| 5304363 | Porous materials | Jeffrey S. Beck, Charles T. Kresge, Wieslaw J. Roth, James C. Vartuli | 1994-04-19 |
| 5220101 | Sorption separation over modified synthetic mesoporous crystalline material | Jeffrey S. Beck, David C. Calabro, Bruce P. Pelrine, Kirk D. Schmitt, James C. Vartuli | 1993-06-15 |
| 5200058 | Catalytic conversion over modified synthetic mesoporous crystalline material | Jeffrey S. Beck, David C. Calabro, Bruce P. Pelrine, Kirk D. Schmitt, James C. Vartuli | 1993-04-06 |
| 5185310 | Activating silicoaluminophosphate compositions | Thomas F. Degnan, Kirk D. Schmitt, George H. Hatzikos | 1993-02-09 |