Issued Patents All Time
Showing 51–55 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5102852 | Catalyst system for removal of calcium from a hydrocarbon feedstock | Chi-Wen Hung | 1992-04-07 |
| 5082551 | Hydroconversion effluent separation process | Donald A. Bea, Robert W. Bachtel | 1992-01-21 |
| 4830736 | Graded catalyst system for removal of calcium and sodium from a hydrocarbon feedstock | Chi-Wen Hung | 1989-05-16 |
| 4744888 | Process for the removal of sodium from a hydrocarbon feedstock employing a catalyst system | Chi-Wen Hung | 1988-05-17 |
| 4741821 | Catalyst system for removal of calcium from a hydrocarbon feedstock | Chi-Wen Hung | 1988-05-03 |