Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5633417 | Enhanced shape selective applications and methods to increase the activity thereof | Jeffrey S. Beck, Sharon B. McCullen | 1997-05-27 |
| 5552357 | Catalyst modification for shape selective hydrocarbon conversions | Rudolph M. Lago, David O. Marler, Sharon B. McCullen | 1996-09-03 |
| 5530170 | Ethylbenzene alkylation with ethylene to produce para-diethylbenzene | Jeffrey S. Beck, Stephen H. Brown, Sharon B. McCullen, David L. Stern | 1996-06-25 |
| 5495059 | Multiple impregnation technique for the preparation of ex situ selectivated zeolite catalysts | Jeffrey S. Beck, Sharon B. McCullen | 1996-02-27 |
| 5491273 | Catalytic conversion of methanol to linear olefins | Jose G. Santiesteban, Clarence D. Chang, James C. Vartuli | 1996-02-13 |
| 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, Sharon B. McCullen | 1995-12-19 |
| 5406015 | Selective ethylbenzene disproportionation processes (SEBDP) with ex situ selectivated zeolite catalyst | Jeffrey S. Beck, Sharon B. McCullen, Chaya R. Venkat | 1995-04-11 |
| 5403800 | Multiple impregnation technique for the preparation of ex situ selectivated zeolite catalysts | Jeffrey S. Beck, Sharon B. McCullen | 1995-04-04 |
| 5382737 | Selective ethylbenzene disproportionation process (SEBDP) with ex situ selectivated zeolite catalysts | Jeffrey S. Beck, Sharon B. McCullen, Chaya R. Venkat | 1995-01-17 |
| 5378440 | Method for separation of substances | Joseph A. Herbst, Charles T. Kresge, Kirk D. Schmitt, James C. Vartuli, Daniel I. C. Wang | 1995-01-03 |
| 5371312 | Shape selective hydrocarbon conversions over modified catalyst | Rudolph M. Lago, David O. Marler, Sharon B. McCullen | 1994-12-06 |
| 5367099 | Selective toluene disproportionation process (STDP) with ex situ selectivated zeolite catalyst | Jeffrey S. Beck, Sharon B. McCullen | 1994-11-22 |
| 5364797 | Sensor device containing mesoporous crystalline material | Galen D. Stucky, James C. Vartuli | 1994-11-15 |
| 5365004 | Selective toluene disproportionation process (STDP) with ex situ selectivated zeolite catalysts | Jeffrey S. Beck, Sharon B. McCullen | 1994-11-15 |
| 5348687 | M41S materials having nonlinear optical properties | Jeffrey S. Beck, Guenter H. Kuehl, John L. Schlenker, Galen D. Stucky, James C. Vartuli | 1994-09-20 |
| 5254770 | Isomerization of aromatic compounds over ZSM-22 zeolite | Ernest W. Valyocsik, R. Bruce Calvert | 1993-10-19 |
| 4717780 | Catalytic aromatics conversion | Paul G. Rodewald, Ernest W. Valyocsik | 1988-01-05 |
| 4650917 | Method for upgrading olefinic lubes | Ralph M. Dessau | 1987-03-17 |
| 4508836 | Catalytic conversion process for aromatic feedstocks with hydrogen regeneration of coke-selectivated zeolite catalyst | Werner O. Haag, Paul G. Rodewald | 1985-04-02 |
| RE31782 | Xylene isomerization | Werner O. Haag | 1984-12-25 |
| 4476432 | Waveform measurement system | — | 1984-10-09 |
| 4421941 | Catalyst and process for selective production of para-dialkysubstituted benzenes | Paul G. Rodewald | 1983-12-20 |
| 4379761 | Catalyst and process for making said catalyst | Paul G. Rodewald | 1983-04-12 |
| 4358395 | Hydrogen regeneration of coke-selectivated crystalline aluminosilicate catalyst | Werner O. Haag, Paul G. Rodewald | 1982-11-09 |