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Class Information
Number: 585/627
Name: Chemistry of hydrocarbon compounds > Unsaturated compound synthesis > Diolefin product > By dehydrogenation > Using extraneous nonhydrocarbon agent, e.g., catalyst, etc.
Description: Subject matter wherein part or all of the synthesis takes place in the presence to a material which chemically affects the synthesis by promoting, retarding, etc., but which does not form a part of the desired product and is, at least in theory, separable from the desired reaction products. The agent may be a catalyst, solvent, etc.

Sub-classes under this class:

Class Number Class Name Patents
585/632 Metal salt agent 6
585/628 Moving catalyst or plural stage 20
585/629 Transition metal oxide or sulfide agent 71

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
8293960 Process for the production of butadiene Oct. 23, 2012
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
7683232 Production of olefins having a functional group Mar. 23, 2010
7622623 Catalytically inactive heat generator and improved dehydrogenation process Nov. 24, 2009
7262334 Catalytic partial oxidation of hydrocarbons Aug. 28, 2007
7045671 Process for catalytic dehydrogenation and catalyst therefor May. 16, 2006
7034195 Method for the production of butadiene from n-butane Apr. 25, 2006
6582589 Process for the catalytic dehydrogenation of a light alkane Jun. 24, 2003
6531631 Oxidation of ethane to acetic acid and ethylene using molybdenum and vanadium based catalysts Mar. 11, 2003
6323383 Synthesis method of chemical industrial raw material and high-octane fuel, and high-octane fuel composition Nov. 27, 2001
6280608 Layered catalyst composition and processes for preparing and using the composition Aug. 28, 2001
6187985 Process for dehydrogenating saturated aliphatic hydrocarbons to olefinic hydrocarbons Feb. 13, 2001
5837127 Process for cracking and transhydrogenation of hydrocarbon feedstock Nov. 17, 1998
5811622 Process for the production of dehydrogenated hydrocarbons Sep. 22, 1998
5728917 Polymer depolymerization using ruthenium and osmium carbene complexes Mar. 17, 1998
5672801 Catalyst regeneration process and use of the catalyst in hydrocarbon conversion processes Sep. 30, 1997
5648582 Stable, ultra-low residence time partial oxidation Jul. 15, 1997
5639926 Process for producing a branched chain olefin by isomerization and transhydrogenation Jun. 17, 1997
5585530 Transhydrogenation Dec. 17, 1996
5437782 Integrated fluid coking/paraffin dehydrogenation process Aug. 1, 1995
5435905 Integrated fluid coking paraffin dehydrogenation process Jul. 25, 1995
5386074 Catalytic dehydrogenation of alkanes Jan. 31, 1995
4995963 Crystalline galliosilicate with the zeolite L type structure and its use in chemical catalytic conversions Feb. 26, 1991
4982028 Dehydrogenation and dehydrocyclization catalyst Jan. 1, 1991
4973779 Hydrocarbon conversion process utilizing surface impregnated catalyst Nov. 27, 1990
4950830 Dehydration of aliphatic and alicyclic hydrocarbons and aliphatic and alicyclic substituted aromatic hydrocarbons Aug. 21, 1990
4921946 Hydrocarbon conversion process May. 1, 1990
4914249 Dehydrogenation of dehydrogenatable hydrocarbons Apr. 3, 1990
4827072 Dehydrogenation catalyst composition and hydrocarbon dehydrogenation process May. 2, 1989
4812597 Dehydrogenation of dehydrogenatable hydrocarbons Mar. 14, 1989
4720336 Catalytic reactor system Jan. 19, 1988
4704495 Catalytic conversions using shape selective metallic catalysts Nov. 3, 1987
4677237 Dehydrogenation catalyst compositions Jun. 30, 1987
4675465 Dehydrogenation reaction employing hydride forming metals, alloys and intermetallic compounds Jun. 23, 1987
4665267 Chemical process and catalyst May. 12, 1987
4595673 Dehydrogenation catalyst compositions and method of their preparation Jun. 17, 1986
4567314 Process for producing diolefins Jan. 28, 1986
4559131 Reactivation of steam-deactivated catalysts Dec. 17, 1985
4532083 Multiply promoted Sn/Sb oxide catalysts Jul. 30, 1985
4486547 Indium-containing dehydrogenation catalyst Dec. 4, 1984
4473506 Iron selenium tellurium oxide catalysts Sep. 25, 1984
4433192 Condensation of natural gas or methane into gasoline range hydrocarbons Feb. 21, 1984
4430517 Dehydrogenation process using a catalytic composition Feb. 7, 1984
4371730 Dehydrogenation of organic compounds with a zinc silicate catalyst Feb. 1, 1983
4316855 Multiply promoted Sn-Sb oxide catalysts Feb. 23, 1982
4232182 Process for purifying isoprene Nov. 4, 1980
4229606 1,7-Octadiene process Oct. 21, 1980

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