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Class Information
Number: 585/444
Name: Chemistry of hydrocarbon compounds > Aromatic compound synthesis > Having alkenyl moiety, e.g., styrene, etc. > By dehydrogenation > Using metal oxide, sulfide, or salt
Description: Subject matter wherein part or all of the synthesis takes place in the presence of an oxide, sulfide, or salt of a metal.

Sub-classes under this class:

Class Number Class Name Patents
585/445 Cr-, mo-, or w-containing 85

Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8669406 Process for the preparation of hydrogenated hydrocarbon compounds Mar. 11, 2014
8653317 Dehydrogenation process and catalyst Feb. 18, 2014
8552237 Catalyst, its preparation and use Oct. 8, 2013
8178738 Method for extending catalyst life in processes for preparing vinyl aromatic hydrocarbons May. 15, 2012
7999144 Microchannel apparatus and methods of conducting catalyzed oxidative dehydrogenation Aug. 16, 2011
7922980 EB/SM splitter heat recovery Apr. 12, 2011
7910784 Process for the production of styrene monomer by improving energy efficiency and injecting a recycle gas into the EB vaporizer Mar. 22, 2011
7847138 Process for making styrene using mircochannel process technology Dec. 7, 2010
7816576 Method for catalytically dehydrating hydrocarbons Oct. 19, 2010
7713498 Manufacturing plant for the dehydrogenation of an unsaturated hydrocarbon May. 11, 2010
7687676 Dehydrogenation process with water and temperature control Mar. 30, 2010
7663009 Process for the manufacture of an alkenyl aromatic compound under low steam-to-oil process conditions Feb. 16, 2010
7663011 Mesoporous material with active metals Feb. 16, 2010
7601881 Isomerization catalyst and process Oct. 13, 2009
7595427 Process for production of styrene by catalytic gas phase dehydrogenation of ethylbenzene Sep. 29, 2009
7569738 Method and apparatus for addition of aqueous solutions to high temperature processes Aug. 4, 2009
7435862 Radial reactor loading of a dehydrogenation catalyst Oct. 14, 2008
7411101 Production of alkylaromatic compounds Aug. 12, 2008
7282619 Method of operating a dehydrogenation reactor system Oct. 16, 2007
7186395 Iron oxides with a higher degree of refining Mar. 6, 2007
7169960 Dehydrogenation process Jan. 30, 2007
7125817 Combined cracking and selective hydrogen combustion for catalytic cracking Oct. 24, 2006
7122492 Combined cracking and selective hydrogen combustion for catalytic cracking Oct. 17, 2006
7002052 Integrated process for producing an alkenyl-substituted aromatic compound Feb. 21, 2006
6958427 Method for catalytic dehydrogenation of hydrocarbons using carbon dioxide as a soft oxidant Oct. 25, 2005
6936743 Method for extending catalyst life in processes for preparing vinyl aromatic hydrocarbons Aug. 30, 2005
6930219 Mesoporous material with active metals Aug. 16, 2005
6884915 Process for producing styrene Apr. 26, 2005
6841712 Process for the dehydrogenation of ethylbenzene to styrene Jan. 11, 2005
6781024 Dehydrogenation process Aug. 24, 2004
6756515 Dehydrogenation process using layered catalyst composition Jun. 29, 2004
6743959 Method for the dehydrogenation of triisopropyl benzene and diisopropyl benzene Jun. 1, 2004
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
6551958 Catalyst for dehydrogenating ethyl benzene to produce styrene Apr. 22, 2003
6544408 Process and installation for the production of aromatic compounds in a fixed bed Apr. 8, 2003
6531638 Process for the preparation of catalytic systems for the oxidative dehydrogenation of alkylaromatics or paraffins Mar. 11, 2003
6525232 Process and apparatus for endothermic reactions of organic compounds Feb. 25, 2003
6511593 Homogeneous bed of catalyst and a process for transforming hydrocarbons into aromatic compounds using said bed Jan. 28, 2003
6486370 Dehydrogenation process using layered catalyst composition Nov. 26, 2002
6465704 Dehydrogenation catalysts Oct. 15, 2002
6420305 Solid acid catalyst, method for producing the same and reaction method using the same Jul. 16, 2002
6406614 Method for zeolite platinization Jun. 18, 2002
6388154 Process for producing styrene May. 14, 2002
6380449 Dehydrogenation process Apr. 30, 2002
6380450 Process for producing indene Apr. 30, 2002
6300534 Process for producing dehydrogenated compounds of m-ethyldiphenylalkane Oct. 9, 2001
6222085 Catalyst for dehydrogenation of alkylaromatic hydrocarbon, process for producing the catalyst, and process for producing vinylaromatic hydrocarbon by using the catalyst Apr. 24, 2001
6187985 Process for dehydrogenating saturated aliphatic hydrocarbons to olefinic hydrocarbons Feb. 13, 2001
6177602 Process for dehydrogenation of alkylaromatic hydrocarbons using a dehydrogenation catalyst Jan. 23, 2001
6166280 Catalyst for the dehydrogenation of ethylbenzene to styrene Dec. 26, 2000

1 2 3 4 5

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