Issued Patents 2016
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9328293 | Fluid catalytic cracking process | Robert L. Mehlberg, Keith A. Couch, Zhihao Fei | 2016-05-03 |
| 9284495 | Maintaining catalyst activity for converting a hydrocarbon feed | Lawrence L. Upson, Keith A. Couch | 2016-03-15 |
| 9238600 | Dual riser catalytic cracker for increased light olefin yield | David A. Wegerer, Zhihao Fei, Daniel N. Myers, Paolo Palmas, Laura E. Leonard | 2016-01-19 |