Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5192724 | Reactivation of spent cracking catalysts | Michael K. Maholland | 1993-03-09 |
| 5188995 | Reactivation and passivation of spent cracking catalysts | Michael K. Maholland, Richard E. Lowery | 1993-02-23 |
| 5151391 | Reactivation of spent, metal-containing cracking catalysts | Michael K. Maholland, Richard E. Lowery | 1992-09-29 |
| 5141904 | Reactivation of spent cracking catalysts | Donald H. Kubicek, Richard E. Lowery, Michael K. Maholland | 1992-08-25 |
| 5096568 | Metals passivation | Ted H. Cymbaluk | 1992-03-17 |
| 5021377 | Demetallization and passivation of spent cracking catalysts | Michael K. Maholland, Richard E. Lowery, Donald H. Kubicek, Brent J. Bertus | 1991-06-04 |
| 4954244 | Treatment of spent cracking catalysts | Michael K. Maholland | 1990-09-04 |
| 4935121 | Reactivation of metal-contaminated cracking catalysts | Michael K. Maholland, Richard E. Lowery | 1990-06-19 |
| 4929336 | Treatment of spent cracking catalysts | Richard E. Lowery, Michael K. Maholland | 1990-05-29 |
| 4814066 | Reactivation of spent catalytic cracking catalyst | — | 1989-03-21 |
| 4663025 | Catalytic cracking processes | — | 1987-05-05 |
| 4632748 | Cracking process | Brent J. Bertus | 1986-12-30 |