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Class Information
Number: 585/841
Name: Chemistry of hydrocarbon compounds > Purification, separation, or recovery > By addition of extraneous agent, e.g., solvent, etc. > H
Description: Subject matter wherein the added agent is hydrogen.










Patents under this class:

Patent Number Title Of Patent Date Issued
8702974 Desulphurisation process Apr. 22, 2014
8388830 Process for upgrading sweetened or oxygen-contaminated kerosene or jet fuel, to minimize or eliminate its tendency to polymerize or foul when heated Mar. 5, 2013
7776300 Process for removing sulfur from a fuel gas stream Aug. 17, 2010
7025872 Process for obtaining a feedstock that can be used in an etherification unit Apr. 11, 2006
6676830 Process for the desulfurization of a light FCC naphtha Jan. 13, 2004
6072091 Process for selective hydrogenation of a hydrocarbon cut containing at least three carbon atoms Jun. 6, 2000
5877363 Process for concurrent selective hydrogenation of acetylenes and 1,2 butadine in hydrocarbon streams Mar. 2, 1999
5565617 Process for purifying an alkylate stream Oct. 15, 1996
5510568 Process for the removal of mercaptans and hydrogen sulfide from hydrocarbon streams Apr. 23, 1996
5461178 Catalytic stripping of hydrocarbon liquid Oct. 24, 1995
5457252 Catalyst composition for the selective hydrogenation of benzene and process for such hydrogenation Oct. 10, 1995
5382736 Method for catalytic dechlorination of polychlorinated biphenyls Jan. 17, 1995
5284552 Method for refining methylnaphthalene-containing oil Feb. 8, 1994
5254763 Catalyst and process for the selective hydrogenation of benzene Oct. 19, 1993
5227553 Selective hydrogenation of crude high-butadiene C4 cuts Jul. 13, 1993
5210333 Benzene removal from hydrocarbon streams May. 11, 1993
5191149 Method of refining liquified petroleum gases into aerosol propellants Mar. 2, 1993
5177277 Hydrogenated deodorized polybutene polymers Jan. 5, 1993
4840722 Non-catalytic process for the conversion of a hydrocarbonaceous stream containing halogenated organic compounds Jun. 20, 1989
4648959 Hydrogenation method for adsorptive separation process feedstreams Mar. 10, 1987
4640764 Selective tricyclic hydrogenation and cracking process and catalyst suitable for such hydroconversion Feb. 3, 1987
4419220 Catalytic dewaxing process Dec. 6, 1983
4299800 Method of removing oxygen from a gas containing an unsaturated hydrocarbon Nov. 10, 1981
4191632 Process for the production of benzene from hydrocarbon fractions rich in alkyl-aromatic hydrocarbons and containing paraffinic and naphthenic hydrocarbons Mar. 4, 1980
4176050 Production of high V.I. lubricating oil stock Nov. 27, 1979
4175033 Hydroprocessing of hydrocarbons over nickel, moly, platinum catalyst Nov. 20, 1979
4169857 Separation of cyclohexylbenzene-cyclohexanone-phenol-containing mixtures by hydrogenation and distillation Oct. 2, 1979
4162214 Method of preparing benzene and xylenes Jul. 24, 1979
4131537 Naphtha hydrofining process Dec. 26, 1978
4129606 Temperature control of integrated fractionation column and reaction zone Dec. 12, 1978
4124650 Process for the production of low pour point synthetic oils Nov. 7, 1978
4104152 Hydrogenation process with sulfided catalyst Aug. 1, 1978
4098683 Process for hydrodesulfurizing or hydrogenating a hydrocarbon distillate Jul. 4, 1978
4076613 Combined disulfurization and conversion with alkali metals Feb. 28, 1978
4049742 Recovery of 1,3-butadiene from a C.sub.4 -hydrocarbon mixture Sep. 20, 1977
4048242 Process for the production of cyclopentene from dicyclopentadiene Sep. 13, 1977
4020119 Selective hydrogenation process Apr. 26, 1977
3956090 Hydrocarbon upgrading process in paraffin oxime production May. 11, 1976
3954601 New process for hydrogenating aromatic hydrocarbons on sulfur resistant catalysts May. 4, 1976
3953323 Process for reduction of olefinic unsaturation of pyrolysis naphtha (dripolene) Apr. 27, 1976
3949012 Hydrocarbon upgrading process Apr. 6, 1976











 
 
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