Issued Patents All Time
Showing 26–50 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4988653 | Elutriable multi component cracking catalyst mixture and a process for catalytic cracking of heavy hydrocarbon feed to lighter products | Hartley Owen, Paul H. Schipper | 1991-01-29 |
| 4985223 | Crystalline aluminosilicate | Pochen Chu, Donald J. Klocke, James C. Vartuli | 1991-01-15 |
| 4983276 | Octane improvement in catalytic cracking and cracking catalyst composition therefor | Robert P. L. Absil, Philip J. Angevine, Robert G. Bundens | 1991-01-08 |
| 4968403 | High efficiency catalytic cracking stripping process | Catherine L. Markham, Ajit V. Sapre, Gerald J. Teitman | 1990-11-06 |
| 4966681 | Multiple riser fluidized catalytic cracking process utilizing a C.sub.3 -C.sub.4 paraffin-rich co-feed and mixed catalyst system | Hartley Owen, Paul H. Schipper | 1990-10-30 |
| 4961907 | Catalytic cracking apparatus employing mixed catalyst system | Hartley Owen, Paul H. Schipper | 1990-10-09 |
| 4956075 | Catalytic cracking | Philip J. Angevine, Robert G. Bundens, Albin Huss, Jr., Sadi Mizrahi | 1990-09-11 |
| 4929337 | Process for catalytic cracking of heavy hydrocarbon feed to lighter products | Hartley Owen, Paul H. Schipper | 1990-05-29 |
| 4927522 | Multiple feed point catalytic cracking process using elutriable catalyst mixture | Hartley Owen, Paul H. Schipper | 1990-05-22 |
| 4892643 | Upgrading naphtha in a single riser fluidized catalytic cracking operation employing a catalyst mixture | Hartley Owen, Paul H. Schipper | 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 | Hartley Owen, Paul H. Schipper | 1989-12-19 |
| 4880787 | Cracking catalyst | Robert G. Bundens | 1989-11-14 |
| 4874503 | Multiple riser fluidized catalytic cracking process employing a mixed catalyst | Hartley Owen, Paul H. Schipper | 1989-10-17 |
| 4871446 | Catalytic cracking process employing mixed catalyst system | Hartley Owen, Paul H. Schipper | 1989-10-03 |
| 4868144 | Process to reduce NO.sub.x emissions from a fluid catalytic cracking unit | Hartley Owen, Paul H. Schipper | 1989-09-19 |
| 4867863 | Resid catalytic cracking process utilizing ZSM-5 for increased gasoline octane | Albin Huss, Jr. | 1989-09-19 |
| 4865718 | Maximizing distillate production in a fluid catalytic cracking operation employing a mixed catalyst system | Hartley Owen, Paul H. Schipper | 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 | Hartley Owen, Paul H. Schipper | 1989-09-05 |
| 4861741 | Mixed catalyst system and catalytic conversion process employing same | Hartley Owen, Paul H. Schipper | 1989-08-29 |
| 4853187 | Apparatus to reduce NO.sub.x emissions from a fluid catalytic cracking unit | Hartley Owen, Paul H. Schipper | 1989-08-01 |
| 4853105 | Multiple riser fluidized catalytic cracking process utilizing hydrogen and carbon-hydrogen contributing fragments | Hartley Owen, Paul H. Schipper | 1989-08-01 |
| 4837396 | Zeolite beta containing hydrocarbon conversion catalyst of stability | Yun-Yang Huang | 1989-06-06 |
| 4830728 | Upgrading naphtha in a multiple riser fluid catalytic cracking operation employing a catalyst mixture | Hartley Owen, Paul H. Schipper | 1989-05-16 |
| 4826586 | Single riser fluidized catalytic cracking process utilizing a C.sub.3-4 paraffin-rich co-feed and mixed catalyst system | Hartley Owen, Paul H. Schipper | 1989-05-02 |
| 4802971 | Single riser fluidized catalytic cracking process utilizing hydrogen and carbon-hydrogen contributing fragments | Hartley Owen, Paul H. Schipper | 1989-02-07 |