Inventor
ALDRIDGE CLYDE L
US54 patents
Patents
50 patentsUS5108581AApr 28, 1992
Hydroconversion of heavy feeds by use of both supported and unsupported catalysts
EXXON RESEARCH ENGINEERING CO202 citations99
US5039392AAug 13, 1991
Hydroconversion process using a sulfided molybdenum catalyst concentrate
EXXON RESEARCH ENGINEERING CO154 citations99
US4067799AJan 10, 1978
Hydroconversion process
EXXON RESEARCH ENGINEERING CO190 citations99
US6013598AJan 11, 2000
Selective hydrodesulfurization catalyst
EXXON RESEARCH ENGINEERING CO100 citations98
US4134825AJan 16, 1979
Hydroconversion of heavy hydrocarbons
EXXON RESEARCH ENGINEERING CO148 citations97
US5053376AOct 1, 1991
Method of preparing a sulfided molybdenum catalyst concentrate
EXXON RESEARCH ENGINEERING CO57 citations96
US4992163AFeb 12, 1991
Cat cracking feed preparation
EXXON RESEARCH ENGINEERING CO91 citations96
US4765882AAug 23, 1988
Hydroconversion process
EXXON RESEARCH ENGINEERING CO89 citations96
US4762607AAug 9, 1988
Hydroconversion process with combined temperature and feed staging
EXXON RESEARCH ENGINEERING CO64 citations96
US4740295AApr 26, 1988
Hydroconversion process using a sulfided molybdenum catalyst concentrate
EXXON RESEARCH ENGINEERING CO80 citations96
US4637870AJan 20, 1987
Hydrocracking with phosphomolybdic acid and phosphoric acid
EXXON RESEARCH ENGINEERING CO79 citations96
US4456703AJun 26, 1984
High surface area nickel aluminate spinel catalyst for steam reforming
EXXON RESEARCH ENGINEERING CO52 citations96
US4424110AJan 3, 1984
Hydroconversion process
EXXON RESEARCH ENGINEERING CO71 citations96
US4313818AFeb 2, 1982
Hydrocracking process utilizing high surface area catalysts
EXXON RESEARCH ENGINEERING CO96 citations96
US4244839AJan 13, 1981
High surface area catalysts
EXXON RESEARCH ENGINEERING CO60 citations96
US4226742AOct 7, 1980
Catalyst for the hydroconversion of heavy hydrocarbons
EXXON RESEARCH ENGINEERING CO130 citations96
US4077867AMar 7, 1978
Hydroconversion of coal in a hydrogen donor solvent with an oil-soluble catalyst
EXXON RESEARCH ENGINEERING CO104 citations96
US4066530AJan 3, 1978
Hydroconversion of heavy hydrocarbons
EXXON RESEARCH ENGINEERING CO97 citations96
US4178227ADec 11, 1979
Combination hydroconversion, fluid coking and gasification
EXXON RESEARCH ENGINEERING CO71 citations95
US4192735AMar 11, 1980
Hydrocracking of hydrocarbons
EXXON RESEARCH ENGINEERING CO91 citations94
US5338717AAug 16, 1994
Method for the preparation of supported hydrogenation and hydrotreating catalysts
EXXON RESEARCH ENGINEERING CO46 citations93
US5198100AMar 30, 1993
Hydrotreating using novel hydrotreating catalyst
EXXON RESEARCH ENGINEERING CO33 citations93
US5164354ANov 17, 1992
Supported hydrogenation and hydrotreating catalysts
EXXON RESEARCH ENGINEERING CO22 citations93
US4567156AJan 28, 1986
Oil soluble chromium catalyst
EXXON RESEARCH ENGINEERING CO46 citations93
US4548700AOct 22, 1985
Hydroconversion process
EXXON RESEARCH ENGINEERING CO46 citations93
US4357229ANov 2, 1982
Catalysts and hydrocarbon treating processes utilizing the same
EXXON RESEARCH ENGINEERING CO50 citations93
US4298454ANov 3, 1981
Hydroconversion of an oil-coal mixture
EXXON RESEARCH ENGINEERING CO53 citations93
US4954240ASep 4, 1990
Combination coking and hydroconversion process
EXXON RESEARCH ENGINEERING CO30 citations92
US4750985AJun 14, 1988
Combination coking and hydroconversion process
EXXON RESEARCH ENGINEERING CO27 citations92
US4348270ASep 7, 1982
Catalysts and hydrocarbon treating processes utilizing the same
EXXON RESEARCH ENGINEERING CO32 citations92
US3974256AAug 10, 1976
Sulfide removal process
EXXON RESEARCH ENGINEERING CO41 citations92
US4204943AMay 27, 1980
Combination hydroconversion, coking and gasification
EXXON RESEARCH ENGINEERING CO33 citations91
US4196072AApr 1, 1980
Hydroconversion process
EXXON RESEARCH ENGINEERING CO53 citations91
US4637871AJan 20, 1987
Hydrocracking with aqueous phosphomolybdic acid
EXXON RESEARCH ENGINEERING CO23 citations82
US4169038ASep 25, 1979
Combination hydroconversion, fluid coking and gasification
EXXON RESEARCH ENGINEERING CO28 citations82
US4111787ASep 5, 1978
Staged hydroconversion of an oil-coal mixture
EXXON RESEARCH ENGINEERING CO27 citations82
US5336654AAug 9, 1994
Method for the preparation of supported hydrogenation and hydrotreating catalysts
EXXON RESEARCH ENGINEERING CO10 citations74
US4988434AJan 29, 1991
Removal of metallic contaminants from a hydrocarbonaceous liquid
EXXON RESEARCH ENGINEERING CO8 citations74
US4740489AApr 26, 1988
Method of preparing a hydroconversion sulfided molybdenum catalyst concentrate
EXXON RESEARCH ENGINEERING CO18 citations74
US4579838AApr 1, 1986
Catalysts and hydroconversion processes utilizing the same
EXXON RESEARCH ENGINEERING CO9 citations74
US4569752AFeb 11, 1986
Combination coking and hydroconversion process
EXXON RESEARCH ENGINEERING CO18 citations74
US4557822ADec 10, 1985
Hydroconversion process
EXXON RESEARCH ENGINEERING CO14 citations74
US4369106AJan 18, 1983
Coal liquefaction process
EXXON RESEARCH ENGINEERING CO17 citations74
US4295995AOct 20, 1981
Catalysts hydrocarbon treating processes
EXXON RESEARCH ENGINEERING CO15 citations74
US4295996AOct 20, 1981
Catalysts for hydrocarbon treating processes
EXXON RESEARCH ENGINEERING CO8 citations74
US4149959AApr 17, 1979
Coal liquefaction process
EXXON RESEARCH ENGINEERING CO5 citations74
US4094765AJun 13, 1978
Coal liquefaction process
EXXON RESEARCH ENGINEERING CO13 citations74
US4569751AFeb 11, 1986
Combination coking and hydroconversion process
EXXON RESEARCH ENGINEERING CO16 citations73
US4054644AOct 18, 1977
Water gas shift process
EXXON RESEARCH ENGINEERING CO9 citations72
US3974096AAug 10, 1976
Water gas shift catalyst
EXXON RESEARCH ENGINEERING CO11 citations72
Showing the top 50 of 54 patents by PatentIndex Score.