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Class Information
Number: 585/659
Name: Chemistry of hydrocarbon compounds > Unsaturated compound synthesis > By dehydrogenation > Plural stages or with catalyst movement
Description: Subject matter wherein the effluent from a dehydrogenation reaction stage is passed to another dehydrogenation reaction stage or in which movement of solid extraneous agent is described.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8653317 Dehydrogenation process and catalyst Feb. 18, 2014
8642826 Process for long-term operation of a continuous heterogeneously catalyzed partial dehydrogenation of a hydrocarbon to be dehydrogenated Feb. 4, 2014
8624074 Reactor flowscheme for dehydrogenation of propane to propylene Jan. 7, 2014
8598401 Method for enhancing the performance of a catalyzed reaction Dec. 3, 2013
8563793 Integrated processes for propylene production and recovery Oct. 22, 2013
8524971 Catalyst for higher production rates in hydrocarbon dehydrogenation Sep. 3, 2013
8293670 Process for the production of propylene Oct. 23, 2012
8252955 Trimerization Aug. 28, 2012
8252956 Amino phosphine Aug. 28, 2012
8013196 Process for the production of ethylene Sep. 6, 2011
7999144 Microchannel apparatus and methods of conducting catalyzed oxidative dehydrogenation Aug. 16, 2011
7906699 Processes for producing ethylene and carbon monoxide mixtures from ethane Mar. 15, 2011
7902416 Fluidized bed reactor with back-mixing for dehydrogenation of light paraffins Mar. 8, 2011
7816576 Method for catalytically dehydrating hydrocarbons Oct. 19, 2010
7754935 Dehydrogenation reactions in narrow reaction chambers and integrated reactors Jul. 13, 2010
7713498 Manufacturing plant for the dehydrogenation of an unsaturated hydrocarbon May. 11, 2010
7678956 Method for catalytically dehydrating propane to form propylene Mar. 16, 2010
7271307 Method for improving the performance of a dehydrogenation catalyst Sep. 18, 2007
7244868 Process for the dehydrogenation of an unsaturated hydrocarbon Jul. 17, 2007
7235706 Process for preparing light olefins by dehydrogenation of the corresponding paraffins Jun. 26, 2007
7125817 Combined cracking and selective hydrogen combustion for catalytic cracking Oct. 24, 2006
7122495 Combined cracking and selective hydrogen combustion for catalytic cracking Oct. 17, 2006
7122492 Combined cracking and selective hydrogen combustion for catalytic cracking Oct. 17, 2006
7122493 Combined cracking and selective hydrogen combustion for catalytic cracking Oct. 17, 2006
7122494 Combined cracking and selective hydrogen combustion for catalytic cracking Oct. 17, 2006
7087802 Method for the dehydrogenation of hydrocarbons Aug. 8, 2006
7087801 Process for catalytic selective oxidation of a hydrocarbon substrate Aug. 8, 2006
7038098 Method for dehydrogenating C.sub.2-C.sub.30-alkanes May. 2, 2006
6963018 Integrated processes for olefin and polyolefin production Nov. 8, 2005
6635793 Preparation of epoxides from alkanes using lanthanide-promoted silver catalysts Oct. 21, 2003
6489258 Synthesis and application of vapor grafted porous materials Dec. 3, 2002
6028027 Method of producing selective-dehydrogenation catalysts, and catalysts produced in this way Feb. 22, 2000
5994606 Method for dehydrogenation of hydrocarbon Nov. 30, 1999
5712313 Process for carrying out chemical equilibrium reactions Jan. 27, 1998
5689029 Process for the dehydrogenation of paraffinic hydrocarbons Nov. 18, 1997
5639929 Oxidative dehydrogenation process Jun. 17, 1997
5530171 Process for the catalytic dehydrogenation of alkanes to alkenes with simultaneous combustion of hydrogen Jun. 25, 1996
5527979 Process for the catalytic dehydrogenation of alkanes to alkenes with simultaneous combustion of hydrogen Jun. 18, 1996
5516961 Dehydrogenation using sulfur tolerant zeolite catalyst May. 14, 1996
5491275 Process for the dehydrogenation of paraffinic hydrocarbons Feb. 13, 1996
5489724 High pressure drop endothermic process Feb. 6, 1996
5430219 Integrated process for producing olefins from methane-containing gas mixtures Jul. 4, 1995
5406011 Process for the dehydrogenation of paraffinic hydrocarbons Apr. 11, 1995
5365006 Process and apparatus for dehydrogenating alkanes Nov. 15, 1994
5336829 Continuous process for the dehydrogenation of paraffinic to olefinic hydrocarbons Aug. 9, 1994
5321192 Dehydrogenation process Jun. 14, 1994
5315056 Catalyst regeneration in a dehydrogenation process May. 24, 1994
5254788 Process for the production of olefins from light paraffins Oct. 19, 1993
5131993 Low power density plasma excitation microwave energy induced chemical reactions Jul. 21, 1992
5105044 Catalyst and process for upgrading methane to higher hydrocarbons Apr. 14, 1992

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