Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5552120 | FCC apparatus with enclosed vented riser | Paul A. Sechrist, David A. Lomas | 1996-09-03 |
| 5527750 | Catalyst regeneration procedure for sulfur-sensitive catalysts | Charles T. Ressl | 1996-06-18 |
| 5393415 | FCC process with enclosed vented riser | Paul A. Sechrist, David A. Lomas | 1995-02-28 |
| 5385663 | Integrated hydrocracking-catalytic dewaxing process for the production of middle distillates | Joseph Zimmerman | 1995-01-31 |
| 5364515 | Fluidized catalytic cracking of hydrocarbons utilizing a vented riser | David A. Lomas, Paul A. Sechrist | 1994-11-15 |
| 5360533 | Direct dry gas recovery from FCC reactor | Constante P. Tagamolila, David A. Lomas, Joseph E. Zimmermann | 1994-11-01 |
| 5302280 | Fluidized catalytic cracking utilizing a vented riser | David A. Lomas, Paul A. Sechrist | 1994-04-12 |
| 5294331 | FCC process utilizing a vented riser | David A. Lomas, Paul A. Sechrist | 1994-03-15 |
| 5182085 | Vented riser apparatus and method | David A. Lomas, Paul A. Sechrist | 1993-01-26 |
| 5139748 | FCC riser with transverse feed injection | David A. Lomas | 1992-08-18 |
| 5114562 | Two-stage hydrodesulfurization and hydrogenation process for distillate hydrocarbons | Gregory J. Thompson, Jayant K. Gorawara, Dana K. Sullivan | 1992-05-19 |
| 5110444 | Multi-stage hydrodesulfurization and hydrogenation process for distillate hydrocarbons | Gregory J. Thompson, Jayant K. Gorawara | 1992-05-05 |
| 5104517 | Vented riser apparatus and method | David A. Lomas, Paul A. Sechrist | 1992-04-14 |
| 5105041 | Effluent separation method for aromatic hydrocarbon alkylation process | Don L. Ferk, Eugene Schmelzer | 1992-04-14 |
| 4960503 | Heating FCC feed in a backmix cooler | Steven S. Milner, David A. Lomas | 1990-10-02 |
| 4885424 | Effluent separation method for aromatic hydrocarbon alkylation process | Don L. Ferk, Eugene Schmelzer | 1989-12-05 |
| 4634799 | Product recovery method for dehydrocyclodimerization process | David A. Hamm | 1987-01-06 |