Issued Patents All Time
Showing 25 most recent of 94 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7258795 | Regenerable adsorbents for purification of cleaning solvents | Laszlo T. Nemeth, Anil R. Oroskar | 2007-08-21 |
| 5898090 | Aromatic isomerization using a modified silicoaluminophosphate | John I. Hammerman, Gregory J. Gajda, Jennifer S. Holmgren, David A. Lesch, Robert L. Patton +2 more | 1999-04-27 |
| 5744673 | Activated zeolite beta and its use for hydrocarbon conversion | Gary W. Skeels | 1998-04-28 |
| 5659099 | Activated zeolite beta and its use for hydrocarbon conversion | Gary W. Skeels | 1997-08-19 |
| 5518708 | Substitution of Sn in place of Al in the framework of molecular sieve via treatment with fluoride salts | Gary W. Skeels, Diane M. Chapman | 1996-05-21 |
| 5401488 | Substitution of Sn in place of Al in the framework of molecular sieve via treatment with fluoride salts | Gary W. Skeels, Diane M. Chapman | 1995-03-28 |
| 5393718 | Activated zeolite beta and its use for hydrocarbon conversion | Gary W. Skeels | 1995-02-28 |
| 5366616 | Hydrocarbon conversion process using a chromium substituted molecular sieve | Gary W. Skeels, Diane M. Chapman | 1994-11-22 |
| 5258570 | Activated zeolite beta and its use for hydrocarbon conversion | Gary W. Skeels | 1993-11-02 |
| 5208197 | Octane gasoline catalyst | James G. Vassilakis, Donald F. Best, Gary W. Skeels | 1993-05-04 |
| 5192722 | High density leucite/pollucite based ceramics from zeolite | Robert L. Bedard | 1993-03-09 |
| 5186918 | Substitution of Cr in place of Al in the framework of molecular sieve via treatment with fluoride salts | Gary W. Skeels, Diane M. Chapman | 1993-02-16 |
| 5179051 | High density lithium-based ceramics from zeolites | Robert L. Bedard | 1993-01-12 |
| 5160033 | Octane gasoline catalyst and process using same in a hydrocracking process | James G. Vassilakis, Donald F. Best, Gary W. Skeels | 1992-11-03 |
| 5160717 | Titanium-aluminum-silicon-oxide molecular sieve compositions | Brent M. T. Lok, Bonita K. Marcus | 1992-11-03 |
| 5128025 | Hydrocarbon conversion processes using a novel crystalline microporous metal oxysulfide composition | Robert L. Bedard, Stephen T. Wilson | 1992-07-07 |
| 5122357 | Crystalline microporous metal oxysulfide compositions | Robert L. Bedard, Stephen T. Wilson | 1992-06-16 |
| 5116794 | Method for enhancing the activity of zeolite beta | Gary W. Skeels | 1992-05-26 |
| 5114563 | Hydrocarbon conversions using catalysts silicoaluminophosphates | Brent M. T. Lok, Celeste A. Messina, Robert L. Patton, Richard T. Gajek, Thomas R. Cannan | 1992-05-19 |
| 5100644 | Process for inserting silicon into zeolite frameworks | Gary W. Skeels, Diane M. Chapman-Snyder | 1992-03-31 |
| 5095169 | Normal paraffin hydrocarbon isomerization process using activated zeolite beta | Gary W. Skeels | 1992-03-10 |
| 5071801 | High density leucite based ceramics from zeolite | Robert L. Bedard | 1991-12-10 |
| 5064790 | High density cordierite ceramics from zeolite | Robert L. Bedard | 1991-11-12 |
| 5057295 | Boron-aluminum-phosphorus-silicon-oxide molecular sieve compositions | Richard T. Gajek, Brent M. T. Lok, Robert L. Patton, Stephen T. Wilson | 1991-10-15 |
| 5032368 | Gallium-aluminum-phosphorus-oxide molecular sieve compositions | Brent M. T. Lok, Robert L. Patton, Stephen T. Wilson | 1991-07-16 |