Issued Patents All Time
Showing 26–50 of 69 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5762882 | FCC separation apparatus with improved stripping | — | 1998-06-09 |
| 5597537 | FCC feed contacting with catalyst recycle reactor | David A. Wegerer | 1997-01-28 |
| 5584985 | FCC separation method and apparatus with improved stripping | — | 1996-12-17 |
| 5552120 | FCC apparatus with enclosed vented riser | Paul A. Sechrist, Edward C. Haun | 1996-09-03 |
| 5455010 | FCC process with total catalyst blending | David A. Wegerer | 1995-10-03 |
| 5452757 | Pulse pumped catalyst heat exchanger | — | 1995-09-26 |
| 5451313 | FCC feed contacting with catalyst recycle reactor | David A. Wegerer | 1995-09-19 |
| 5421398 | Pumped catalyst heat exchanger | — | 1995-06-06 |
| 5393415 | FCC process with enclosed vented riser | Paul A. Sechrist, Edward C. Haun | 1995-02-28 |
| 5393414 | FCC process with enclosed vented riser | Ismail B. Cetinkaya, Steven Niewiedzal, John C. Sheckler, Paul A. Sechrist | 1995-02-28 |
| 5364515 | Fluidized catalytic cracking of hydrocarbons utilizing a vented riser | Paul A. Sechrist, Edward C. Haun | 1994-11-15 |
| 5360533 | Direct dry gas recovery from FCC reactor | Constante P. Tagamolila, Edward C. Haun, Joseph E. Zimmermann | 1994-11-01 |
| 5346613 | FCC process with total catalyst blending | David A. Wegerer | 1994-09-13 |
| 5343939 | Offset FCC coolers with improved catalyst circulation | Ismail B. Cetinkaya | 1994-09-06 |
| 5310477 | FCC process with secondary dealkylation zone | — | 1994-05-10 |
| 5302280 | Fluidized catalytic cracking utilizing a vented riser | Paul A. Sechrist, Edward C. Haun | 1994-04-12 |
| 5294331 | FCC process utilizing a vented riser | Edward C. Haun, Paul A. Sechrist | 1994-03-15 |
| 5273107 | Pumped catalyst heat exchanger | — | 1993-12-28 |
| 5268090 | FCC process for reducing sox using H.sub.2 S free lift gas | Harold U. Hammershaimb, Robert M. Smith | 1993-12-07 |
| 5234578 | Fluidized catalytic cracking process utilizing a high temperature reactor | Laurence O. Stine, Charles L. Hemler, Jr., Carlos A. Cabrera | 1993-08-10 |
| 5212129 | Inverted backmix coolers for FCC units | — | 1993-05-18 |
| 5182085 | Vented riser apparatus and method | Edward C. Haun, Paul A. Sechrist | 1993-01-26 |
| 5176815 | FCC process with secondary conversion zone | — | 1993-01-05 |
| 5141625 | Second stage stripping and lift gas supply | — | 1992-08-25 |
| 5139748 | FCC riser with transverse feed injection | Edward C. Haun | 1992-08-18 |