Inventor
LONG ROBERT B
US10 patents
Patents
10 patentsUS4493765AJan 15, 1985
Selective separation of heavy oil using a mixture of polar and nonpolar solvents
EXXON RESEARCH ENGINEERING CO83 citations93
US4252633AFeb 24, 1981
Coal liquefaction process
EXXON RESEARCH ENGINEERING CO10 citations73
US4250014AFeb 10, 1981
Coal liquefaction process
EXXON RESEARCH ENGINEERING CO18 citations73
US4419219ADec 6, 1983
Adsorption of basic asphaltenes on solid acid catalysts
EXXON RESEARCH ENGINEERING CO12 citations71
US4624776ANov 25, 1986
Selective removal of coke precursors from hydrocarbon feedstock
EXXON RESEARCH ENGINEERING CO19 citations66
US4424114AJan 3, 1984
Separating basic asphaltenes using transition metal oxide acid catalysts
EXXON RESEARCH ENGINEERING CO4 citations62
US4253937AMar 3, 1981
Coal liquefaction process
EXXON RESEARCH ENGINEERING CO4 citations61
US4406780ASep 27, 1983
Separation and oxygen-alkylation of phenols from phenol-containing hydrocarbonaceous streams
EXXON RESEARCH ENGINEERING CO2 citations59
US4141960AFeb 27, 1979
Complex bimetallic salts
EXXON RESEARCH ENGINEERING CO5 citations58
US4066679AJan 3, 1978
Bimetallic salts and derivatives thereof, their preparation and use in the complexing of ligands
EXXON RESEARCH ENGINEERING CO4 citations58