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Class Information
Number: 585/266
Name: Chemistry of hydrocarbon compounds > Adding hydrogen to unsaturated bond of hydrocarbon, i.e., hydrogenation > Hydrocarbon is aromatic
Description: Subject matter which is directed to the hydrogenation of aromatic compounds, e.g., the hydrogenation of benzene to cyclohexane or cyclohexene, or of naphthalene to form 1,2,3,4-tetrahydronaphthalene and/or dechydro­naphthalene.

Sub-classes under this class:

Class Number Class Name Patents
585/268 To produce polycyclic 46
585/267 Using alkaline metal material 40
585/269 Using group viii metal-containing catalyst with additional nonhydrocarbon agent 172

Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
4421634 Catalytic dewaxing with a hydrogen form zeolite L catalyst Dec. 20, 1983
4409411 Process of hydrogenating benzenes and group IVa metal hydride catalysts therefor Oct. 11, 1983
4390741 Process for the purification of diisopropenylbenzene Jun. 28, 1983
4356337 Producing cyclohexene or alkylcyclohexene Oct. 26, 1982
4327234 Hydrogenation process using supported nickel catalyst Apr. 27, 1982
4327235 Method for preferential hydrogenation of terminal methylene group in compound possessing terminal methylene group Apr. 27, 1982
4313017 Selective hydrogenation of polynuclear aromatic reactants Jan. 26, 1982
4271323 Process for hydrogenating unsaturated compounds Jun. 2, 1981
4250118 Process for the preparation of cyclohexanone Feb. 10, 1981
4243824 Zero-valent rhodium catalyst hydrogenation Jan. 6, 1981
4228312 Hydrogenation process Oct. 14, 1980
4225733 Method for hydrogenating an aromatic compound Sep. 30, 1980
4224458 Process for homogeneous hydrogenation of polycyclic aromatic hydrocarbons Sep. 23, 1980
4181601 Feed hydrotreating for improved thermal cracking Jan. 1, 1980
4128473 Catalytic hydrotreating process Dec. 5, 1978
4101416 Process for hydrogenation of hydrocarbon tars Jul. 18, 1978
4094909 Process for the decarboxylation-oxidation of benzoic acid compounds Jun. 13, 1978
4075254 Hydrogenation of alkylstyrene to produce alkylbenzene using copper chromite catalysts Feb. 21, 1978
4062883 Polymer-bound metallocarborane catalyst product and process Dec. 13, 1977
4046824 Process for selective hydrogenation of ethylbenzene Sep. 6, 1977
4036734 Process for manufacturing naphthenic solvents and low aromatics mineral spirits Jul. 19, 1977
4036738 Hydrocracking in strong acid systems with palladium or iridium Jul. 19, 1977
3952069 Hydrogenation of aromatics Apr. 20, 1976
3943053 Selective hydrogenation of aromatics and olefins in hydrocarbon fractions Mar. 9, 1976
3937759 Hydrogenation process Feb. 10, 1976

1 2 3 4

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