| 9410092 |
Refinery desalter improvement |
— |
2016-08-09 |
| 9284496 |
Refinery desalter improvement |
— |
2016-03-15 |
| 8747658 |
Refinery desalter improvement |
— |
2014-06-10 |
| 6673238 |
Acidic petroleum oil treatment |
Bruce W. Gerhold, Joseph E. Bares, Jerry Feierabend |
2004-01-06 |
| 6203694 |
Conversion of heavy hydrocarbon to aromatics and light olefins |
Charles A. Drake |
2001-03-20 |
| 6126812 |
Gasoline upgrade with split feed |
Charles A. Drake, An-hsiang Wu |
2000-10-03 |
| 6083379 |
Process for desulfurizing and aromatizing hydrocarbons |
Charles A. Drake |
2000-07-04 |
| 6077984 |
Process for making zeolite containing zinc borate composition, the composition and the use thereof in hydrocarbon conversion |
Charles A. Drake, An-hsiang Wu, Jianhua Yao |
2000-06-20 |
| 5932777 |
Hydrocarbon conversion |
Edward L. Sughrue, II, Charles A. Drake |
1999-08-03 |
| 5507919 |
Apparatus for the thermal and catalytic defluorination of alkylate |
Stone P. Washer |
1996-04-16 |
| 5386073 |
HF alkylation process |
Tai W. Kwok |
1995-01-31 |
| 5367115 |
Thermal and catalytic defluorination of alkylate |
Stone P. Washer |
1994-11-22 |
| 5296199 |
Heat exchanger in an HF alkylation apparatus |
Tai W. Kwok |
1994-03-22 |
| 5185487 |
Combination acid recontactor-storage vessel |
Stone P. Washer |
1993-02-09 |
| 5094823 |
Combination acid recontactor-storage vessel |
— |
1992-03-10 |
| 5044427 |
Heat exchanger |
Stone P. Washer |
1991-09-03 |