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Class Information
Number: 585/670
Name: Chemistry of hydrocarbon compounds > Unsaturated compound synthesis > By double-bond-shift isomerization > Using transition metal-containing catalyst
Description: Subject matter wherein a catalyst is employed which contains a transition metal in free or combined form.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8624075 Isomerization of linear alpha-olefins Jan. 7, 2014
8586813 Catalyst for metathesis of ethylene and 2-butene and/or double bond isomerization Nov. 19, 2013
8440874 Olefin isomerization and metathesis catalyst May. 14, 2013
8299313 Olefin production process Oct. 30, 2012
8143468 Process for preparing 3-methylbut-1-ene Mar. 27, 2012
7939703 Method for photocatalytic isomerization of 1,2-diphenylethylene analogues May. 10, 2011
7888541 Double bond hydroisomerization of butenes Feb. 15, 2011
7868216 Production of propylene employing dimerising ethylene to 1-butene, hydroisomerization to 2-butene and metathesis by ethylene Jan. 11, 2011
7601881 Isomerization catalyst and process Oct. 13, 2009
7576251 Process for the double bond hydroisomerization of butenes Aug. 18, 2009
7432407 Hydroisomerization of olefins comprising between 4 and 6 carbon atoms Oct. 7, 2008
7405339 Catalyst composition comprising a heteropoly acid, zinc, and a support component and processes therefor and therewith Jul. 29, 2008
7393991 Process for producing internal olefin Jul. 1, 2008
7355087 Production of 1-alkenes from mixed olefin streams using catalytic distillation Apr. 8, 2008
7271308 Process for isomerization of alpha olefins to internal olefins Sep. 18, 2007
7166756 Method for hydrocarbon isomerization Jan. 23, 2007
7132582 Catalytic process for the preparation of isolongifolene Nov. 7, 2006
7041866 Solid-acid isomerization catalyst and process May. 9, 2006
6977322 Isomerization catalyst and processes Dec. 20, 2005
6875901 Olefin isomerization process Apr. 5, 2005
6860987 Process for the hydroprocessing of hydrocarbon feedstocks Mar. 1, 2005
6858769 Lithium aluminate layered catalyst and a selective oxidation process using the catalyst Feb. 22, 2005
6841713 Process for preparing bicylo[2.2.1] heptane derivatives Jan. 11, 2005
6822130 Isomerization catalyst with a specific pore size distribution Nov. 23, 2004
6783856 Metal oxyanion coated porous substrates Aug. 31, 2004
6593505 Catalyst of mixed fluorosulfonic acids Jul. 15, 2003
6495732 Olefin isomerization process Dec. 17, 2002
6420619 Cracked gas processing and conversion for propylene production Jul. 16, 2002
6414207 Preparation of a basic catalyst avoiding high temperatures Jul. 2, 2002
6407302 Isomerization process of a mixture containing vinyl and vinylidene olefins Jun. 18, 2002
6395945 Integrated hydroisomerization alkylation process May. 28, 2002
6355855 Process for the isomerization of 1-alkenes to internal alkenes and catalyst therefor Mar. 12, 2002
6281404 Process for olefin isomerization Aug. 28, 2001
6242662 Process for obtaining butene-1 Jun. 5, 2001
6242661 Process for the separation of isobutene from normal butenes Jun. 5, 2001
6215036 Method for producing high purity isobutylene from a butane plus fraction containing isobutylene and butylene-1 Apr. 10, 2001
6075173 Process for production of isobutene and propylene from hydrocarbon cuts containing four carbon atoms Jun. 13, 2000
6054629 Method of isomerizing alpha-olefins to linear internal olefins with minimal skeletal isomerization using nickel supported on silica/alumina catalysts Apr. 25, 2000
6054630 Apparatus comprising a catalytic distillation zone comprising a reaction zone with distribution of hydrogen Apr. 25, 2000
5990368 Isomerization of allenes to alkynes with an alkaline-earth metal hydride containing catalyst Nov. 23, 1999
5976356 Acid treated zeolite containing boron and silver used as a catalyst for converting hydrocarbons and a method of making and using such catalyst Nov. 2, 1999
5969205 Process for preparing C.sub.4 --C.sub.6 --alkenes having an internal double bond comprising recycling a portion of a product stream Oct. 19, 1999
5965783 Process for isomerizing olefins Oct. 12, 1999
5954948 Hydrocarbon conversion process using a sulfur tolerant catalyst Sep. 21, 1999
5948946 Use of sol-gel derived porous microposite of perfluorinated ion-exchange polymer and metal oxide to isomerize terminal olefins Sep. 7, 1999
5851383 Process for thioetherification and selective hydrogenation of light olefins Dec. 22, 1998
5789645 Isomerization catalyst and process Aug. 4, 1998
5789646 Process for the purification of medium-chain olefins Aug. 4, 1998
5780702 Process for displacing the double bond in olefins using a catalytic composition based on transition metal complexes Jul. 14, 1998
5759386 Process for thioetherification and selective hydrogenation of light hydrocarbons Jun. 2, 1998

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