Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5108580 | Two catalyst stage hydrocarbon cracking process | Govanon Nongbri, Gerald V. Nelson, Roy E. Pratt, Charles H. Schrader, William B. Livingston +1 more | 1992-04-28 |
| 4913800 | Temperature control in an ebullated bed reactor | William B. Livingston, Michael P. Bellinger | 1990-04-03 |
| 4898663 | Method for controlling sedimentation in an ebullated bed process | William B. Livingston, Michael P. Bellinger | 1990-02-06 |
| 4895639 | Suppressing sediment formation in an ebullated bed process | Michael P. Bellinger | 1990-01-23 |
| 4810359 | Gas-liquid separation in an ebullated bed process | — | 1989-03-07 |
| 4725408 | Fluid catalytic cracking apparatus | Roy E. Pratt, Kerry W. Bowers, Richard P. Scott | 1988-02-16 |
| 4619758 | Fluid catalytic cracking method | Roy E. Pratt, Kerry W. Bowers, Richard P. Scott | 1986-10-28 |
| 4556542 | FCCU Catalyst-high velocity vapor separator | Leonce F. Castagnos, Jr. | 1985-12-03 |
| 4436613 | Two stage catalytic cracking process | Leonce F. Castagnos, Jr., Charles H. Schrader, Edward W. Dillingham, Richard P. Scott | 1984-03-13 |
| 4388176 | Hydrocarbon conversion process | Roy E. Pratt, Kerry W. Bowers, Richard P. Scott | 1983-06-14 |