Issued Patents All Time
Showing 26–50 of 72 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7214841 | Processing C4 olefin streams for the maximum production of propylene | Marvin I. Greene | 2007-05-08 |
| 7172412 | Pyrolysis heater | Erwin Platvoet, Peter R. Ponzi, Paul J. Chapman, Frank D. McCarthy | 2007-02-06 |
| 6875901 | Olefin isomerization process | Marvin I. Greene | 2005-04-05 |
| 6777582 | Process for producing propylene and hexene from C4 olefin streams | Marvin I. Greene, Quincy Jones | 2004-08-17 |
| 6759562 | Olefin plant recovery system employing a combination of catalytic distillation and fixed bed catalytic steps | Robert Haines, Thomas Skourlis, Charles Sumner | 2004-07-06 |
| 6727396 | Process for the production of linear alpha olefins and ethylene | — | 2004-04-27 |
| 6685893 | Pyrolysis heater | Erwin Platvoet | 2004-02-03 |
| 6683019 | Catalyst for the metathesis of olefin(s) | Marvin I. Greene, Ali M. Khonsari, Lawrence L. Murrell | 2004-01-27 |
| 6482312 | Particulate solids cracking apparatus and process | Richard C. Norton | 2002-11-19 |
| 6425757 | Pyrolysis heater with paired burner zoned firing system | Paul J. Chapman, Erwin Platvoet | 2002-07-30 |
| 6420619 | Cracked gas processing and conversion for propylene production | Gary R. Gildert | 2002-07-16 |
| 6392113 | Catalytic hydrocarbon dehydrogenation system with prereaction | — | 2002-05-21 |
| 6008415 | Cyclohexane oxidation | Marvin I. Greene, Charles Summer | 1999-12-28 |
| 5976355 | Low residence time catalytic cracking process | Axel Johnson, Joseph L. Ross, Dennis A. Duncan | 1999-11-02 |
| 5866745 | Catalytic/oxidative promoted hydrocarbon pyrolysis | Atef M. Shaban | 1999-02-02 |
| 5780683 | Cyclohexane oxidation | Marvin I. Greene, Charles Sumner | 1998-07-14 |
| 5510557 | Endothermic catalytic dehydrogenation process | Cemal Ercan, Kandasamy Sundaram | 1996-04-23 |
| 5340545 | Particulate solids cracking apparatus | Richard C. Norton | 1994-08-23 |
| 5324484 | Particulate solids cracking apparatus and process | Richard C. Norton | 1994-06-28 |
| 5314610 | Staged catalytic cracking process | — | 1994-05-24 |
| 5254788 | Process for the production of olefins from light paraffins | Axel Johnson | 1993-10-19 |
| 5220093 | Process for production of olefins from mixtures of light paraffins | Axel Johnson | 1993-06-15 |
| 5167795 | Process for the production of olefins and aromatics | — | 1992-12-01 |
| 5106587 | Particulate solids cracking apparatus | Richard C. Norton | 1992-04-21 |
| 5098672 | Particulate solids cracking apparatus and process | Richard C. Norton | 1992-03-24 |