Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5237117 | Potassium carbonate supports, catalysts, and olefin dimerization processes therewith | Paul F. Schubert, Ralph E. Bonnell, Norman L. Freeman, Jr., Denton C. Fentress, Kent E. Mitchell +1 more | 1993-08-17 |
| 5219542 | Process for removing sulfur compounds | Donald R. Engelbert | 1993-06-15 |
| 5213785 | Continuous antimony pentoxide production | Denton C. Fentress, Kent E. Mitchell, Don W. Godbehere, Larry S. Maddox, Howard F. Efner | 1993-05-25 |
| 5188995 | Reactivation and passivation of spent cracking catalysts | Michael K. Maholland, Chia-Min Fu | 1993-02-23 |
| 5153165 | Preparation of alkaline earth oxide catalysts | Jim Wright | 1992-10-06 |
| 5151391 | Reactivation of spent, metal-containing cracking catalysts | Chia-Min Fu, Michael K. Maholland | 1992-09-29 |
| 5141904 | Reactivation of spent cracking catalysts | Donald H. Kubicek, Chia-Min Fu, Michael K. Maholland | 1992-08-25 |
| 5134103 | Process for making magnesium oxide spheres | James L. Wright | 1992-07-28 |
| 5021377 | Demetallization and passivation of spent cracking catalysts | Michael K. Maholland, Chia-Min Fu, Donald H. Kubicek, Brent J. Bertus | 1991-06-04 |
| 4935121 | Reactivation of metal-contaminated cracking catalysts | Chia-Min Fu, Michael K. Maholland | 1990-06-19 |
| 4929336 | Treatment of spent cracking catalysts | Chia-Min Fu, Michael K. Maholland | 1990-05-29 |
| 4804496 | Rapidly dispersible compositions of antimony pentoxide | Denton C. Fentress, Don W. Godbehere | 1989-02-14 |
| 4394323 | Production of antimony organophosphorodithioates | Bruce W. Gordon, Barry N. Steger | 1983-07-19 |