Issued Patents All Time
Showing 51–71 of 71 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4921596 | Catalytic cracking process with reduced pressure stripping | Tai-Sheng Chou | 1990-05-01 |
| 4892643 | Upgrading naphtha in a single riser fluidized catalytic cracking operation employing a catalyst mixture | Joseph A. Herbst, Hartley Owen | 1990-01-09 |
| 4888103 | Process of stripping in a catalytic cracking operation employing a catalyst mixture which includes a shape selective medium pore silicate zeolite component | Joseph A. Herbst, Hartley Owen | 1989-12-19 |
| 4874503 | Multiple riser fluidized catalytic cracking process employing a mixed catalyst | Joseph A. Herbst, Hartley Owen | 1989-10-17 |
| 4871446 | Catalytic cracking process employing mixed catalyst system | Joseph A. Herbst, Hartley Owen | 1989-10-03 |
| 4868144 | Process to reduce NO.sub.x emissions from a fluid catalytic cracking unit | Joseph A. Herbst, Hartley Owen | 1989-09-19 |
| 4865718 | Maximizing distillate production in a fluid catalytic cracking operation employing a mixed catalyst system | Joseph A. Herbst, Hartley Owen | 1989-09-12 |
| 4863585 | Fluidized catalytic cracking process utilizing a C3-C4 paraffin-rich Co-feed and mixed catalyst system with selective reactivation of the medium pore silicate zeolite component thereofo | Joseph A. Herbst, Hartley Owen | 1989-09-05 |
| 4861741 | Mixed catalyst system and catalytic conversion process employing same | Joseph A. Herbst, Hartley Owen | 1989-08-29 |
| 4853187 | Apparatus to reduce NO.sub.x emissions from a fluid catalytic cracking unit | Joseph A. Herbst, Hartley Owen | 1989-08-01 |
| 4853105 | Multiple riser fluidized catalytic cracking process utilizing hydrogen and carbon-hydrogen contributing fragments | Joseph A. Herbst, Hartley Owen | 1989-08-01 |
| 4830728 | Upgrading naphtha in a multiple riser fluid catalytic cracking operation employing a catalyst mixture | Joseph A. Herbst, Hartley Owen | 1989-05-16 |
| 4826586 | Single riser fluidized catalytic cracking process utilizing a C.sub.3-4 paraffin-rich co-feed and mixed catalyst system | Joseph A. Herbst, Hartley Owen | 1989-05-02 |
| 4814068 | Fluid catalytic cracking process and apparatus for more effective regeneration of zeolite catalyst | Josheph A. Herbst, Hartley Owen | 1989-03-21 |
| 4802971 | Single riser fluidized catalytic cracking process utilizing hydrogen and carbon-hydrogen contributing fragments | Joseph A. Herbst, Hartley Owen | 1989-02-07 |
| 4787967 | Process for two-phase fluid catalytic cracking system | Joseph A. Herbst, Hartley Owen | 1988-11-29 |
| 4752375 | Single riser fluidized catalytic cracking process utilizing a C3-4 paraffin-rich co-feed and mixed catalyst system | Joseph A. Herbst, Hartley Owen | 1988-06-21 |
| 4749470 | Residuum fluid catalytic cracking process and apparatus using microwave energy | Joseph A. Herbst, Hartley Owen | 1988-06-07 |
| 4717466 | Multiple riser fluidized catalytic cracking process utilizing hydrogen and carbon-hydrogen contributing fragments | Joseph A. Herbst, Hartley Owen | 1988-01-05 |
| 4645589 | Process for removing metals from crude | Frederick J. Krambeck, Chiu T. Lam | 1987-02-24 |
| 4481103 | Fluidized catalytic cracking process with long residence time steam stripper | Frederick J. Krambeck, Donald M. Nace | 1984-11-06 |