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Class Information
Number: 585/629
Name: Chemistry of hydrocarbon compounds > Unsaturated compound synthesis > Diolefin product > By dehydrogenation > Using extraneous nonhydrocarbon agent, e.g., catalyst, etc. > Transition metal oxide or sulfide agent
Description: Subject matter wherein a compound of one or more transition metals with oxygen only or sulfur only is an extraneous agent.










Sub-classes under this class:

Class Number Class Name Patents
585/630 Cr, mo, or w 32


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
8546634 Method for production of conjugated diolefin Oct. 1, 2013
8524969 Dehydrogenation reactions of hydrocarbons to alkenes Sep. 3, 2013
8513479 Zinc ferrite catalysts, method of preparing thereof and method of preparing 1,3-butadiene using thereof Aug. 20, 2013
8188328 Endothermic hydrocarbon conversion process May. 29, 2012
8003840 Bismuth molybdate-based catalysts, method of preparing thereof and method of preparing 1,3-butadiene using thereof Aug. 23, 2011
7973207 Endothermic hydrocarbon conversion process Jul. 5, 2011
7683232 Production of olefins having a functional group Mar. 23, 2010
7626068 Ni catalysts and methods for alkane dehydrogenation Dec. 1, 2009
7622623 Catalytically inactive heat generator and improved dehydrogenation process Nov. 24, 2009
7601881 Isomerization catalyst and process Oct. 13, 2009
7495138 Method for producing butadiene from n-butane Feb. 24, 2009
7485761 Method for producing 1-butene Feb. 3, 2009
7435860 Method for the production of butadine from n-butane Oct. 14, 2008
7417173 Method for producing butadiene from n-butane Aug. 26, 2008
7262334 Catalytic partial oxidation of hydrocarbons Aug. 28, 2007
7045671 Process for catalytic dehydrogenation and catalyst therefor May. 16, 2006
6600082 Process for dehydrogenating organic compounds in the presence of a supported bimetallic catalyst with a strong interaction between a group VIII metal and tin Jul. 29, 2003
6187985 Process for dehydrogenating saturated aliphatic hydrocarbons to olefinic hydrocarbons Feb. 13, 2001
5962757 Dehydrogenation catalyst and process Oct. 5, 1999
5929298 Process for preparing conjugated dienes using substituted rhenium trioxide Jul. 27, 1999
5877377 Metal oxide catalyst and use thereof in chemical reactions Mar. 2, 1999
5866737 Oxidation and oxydehydrogenation of hydrocarbons in the fluidized bed Feb. 2, 1999
5639926 Process for producing a branched chain olefin by isomerization and transhydrogenation Jun. 17, 1997
5585530 Transhydrogenation Dec. 17, 1996
5545787 Process for dehydrogenating hydrocarbons and oxygenated hydrocarbons Aug. 13, 1996
5476982 Catalyst for dehydrogenation of paraffins Dec. 19, 1995
5449450 Hydrocarbon conversion process using a crystalline microporous metallo-zinc phosphate composition Sep. 12, 1995
5386074 Catalytic dehydrogenation of alkanes Jan. 31, 1995
5245109 Hydrocarbon conversion Sep. 14, 1993
5053580 Metal oxide powders, their mixtures, metal mixed oxide powders, their mixtures and their use in catalytic dehydrogenation of hydrocarbons Oct. 1, 1991
4973779 Hydrocarbon conversion process utilizing surface impregnated catalyst Nov. 27, 1990
4922050 Catalytic dehydrogenation of hydrocarbons over indium-containing crystalline microporous materials May. 1, 1990
4914249 Dehydrogenation of dehydrogenatable hydrocarbons Apr. 3, 1990
4902845 Method to extend life of iron oxide-containing catalysts using low levels of oxygen Feb. 20, 1990
4895994 Shaped catalysts and processes Jan. 23, 1990
4886926 Catalytic dehydrogenation of hydrocarbons over tin-containing crystalline microporous materials Dec. 12, 1989
4874504 pH control by bulky organic bases during noble-metal exchange of zeolite catalysts Oct. 17, 1989
4849567 Catalytic dehydrogenation of hydrocarbons over indium-containing crystalline microporous materials Jul. 18, 1989
4827072 Dehydrogenation catalyst composition and hydrocarbon dehydrogenation process May. 2, 1989
4812597 Dehydrogenation of dehydrogenatable hydrocarbons Mar. 14, 1989
4774380 Alkali promoted manganese oxide compositions containing zirconium Sep. 27, 1988
4769509 Reducible metal oxide compositions containing zirconium Sep. 6, 1988
4762961 Preparation of vanadium III oxidic compounds and dehydrogenation of paraffins Aug. 9, 1988
4699708 Base-exchanged zeolite catalyst compositions with shape-selective metal function Oct. 13, 1987
4677237 Dehydrogenation catalyst compositions Jun. 30, 1987
4665267 Chemical process and catalyst May. 12, 1987
4644089 Catalytic reforming of hydrocarbons Feb. 17, 1987
4599477 Oxidative-dehydrogenation process Jul. 8, 1986
4567314 Process for producing diolefins Jan. 28, 1986
4555584 Process for producing conjugated dienes Nov. 26, 1985

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