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Class Information
Number: 585/646
Name: Chemistry of hydrocarbon compounds > Unsaturated compound synthesis > By alkyl transfer, e.g., disproportionation, etc. > Using catalyst containing mo, re, or w and another transition metal
Description: Subject matter wherein the reaction employs as a catalyst a material containing molybdenum, tungsten, or rhenium and in addition a transition metal other than these three.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8704028 Conversion of acyclic symmetrical olefins to higher and lower carbon number olefin products Apr. 22, 2014
8704029 Conversion of butylene to propylene under olefin metathesis conditions Apr. 22, 2014
8674155 Systems and methods for processing hydrocarbons Mar. 18, 2014
8598400 Efficient methods for Z- or cis-selective cross-metathesis Dec. 3, 2013
8552242 Efficient methods for Z- or cis-selective cross-metathesis Oct. 8, 2013
8440874 Olefin isomerization and metathesis catalyst May. 14, 2013
8395005 Production of 1-butene and propylene from ethylene Mar. 12, 2013
8389788 Olefin metathesis reactant ratios used with tungsten hydride catalysts Mar. 5, 2013
8389784 Method of producing propylene containing biomass-origin carbon Mar. 5, 2013
8362311 Highly Z-selective olefins metathesis Jan. 29, 2013
8324440 Support properties of silica supported catalysts and their use in olefin metathesis Dec. 4, 2012
8119852 Process for manufacturing neohexene Feb. 21, 2012
8013200 Process for producing olefins Sep. 6, 2011
7977522 Process of producing olefins Jul. 12, 2011
7960599 Method for making industrial chemicals Jun. 14, 2011
7923588 Process for preparing a C4-olefin mixture by selective hydrogenation and metathesis process for using this stream Apr. 12, 2011
7905288 Olefin metathesis for kerogen upgrading Mar. 15, 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
7696398 Stabilization of olefin metathesis product mixtures Apr. 13, 2010
7683180 Group 8 transition metal carbene complexes as enantionselective olefin metathesis catalysts Mar. 23, 2010
7638672 Method for converting ethylene into propylene Dec. 29, 2009
7635794 Method for metathesis of compounds comprising an olefinic double bond, in particular olefins Dec. 22, 2009
7601881 Isomerization catalyst and process Oct. 13, 2009
7576251 Process for the double bond hydroisomerization of butenes Aug. 18, 2009
7550638 Integrated cracking and metathesis process Jun. 23, 2009
7371917 Preparation of olefins by metathesis over a carbide or oxycarbide of a transition metal May. 13, 2008
7220888 Method for producing hydrocarbons having a modified carbon skeleton May. 22, 2007
7220886 Olefin metathesis May. 22, 2007
7214841 Processing C4 olefin streams for the maximum production of propylene May. 8, 2007
7145050 Modified supported metathesis catalysts Dec. 5, 2006
7041864 Linear and branched olefin production from cyclic olefin feedstocks May. 9, 2006
6977318 Propylene production Dec. 20, 2005
6916966 Process for preparing cycloalkadienes Jul. 12, 2005
6903241 Metathesis catalysts Jun. 7, 2005
6884917 1-butene production Apr. 26, 2005
6872862 Propylene production Mar. 29, 2005
6852900 Method for carrying out a metathesis reaction of unsaturated organic compounds Feb. 8, 2005
6844479 Alkylation process Jan. 18, 2005
6777582 Process for producing propylene and hexene from C4 olefin streams Aug. 17, 2004
6743958 Process for selective production of propylene from hydrocarbon fractions with four carbon atoms Jun. 1, 2004
6727396 Process for the production of linear alpha olefins and ethylene Apr. 27, 2004
6686510 Production of high-purity isobutene and propylene from hydrocarbon fractions with four carbon atoms Feb. 3, 2004
6677495 Oligomer mixtures derived from cyclopentene; method for the production and use thereof Jan. 13, 2004
6646172 Preparation of propene Nov. 11, 2003
6639116 Simplified methods of making 1,3-cyclohexadiene Oct. 28, 2003
6632765 Catalyst regeneration via reduction with hydrogen Oct. 14, 2003
6624338 Rhenium-and caesium-based metathesis catalyst and a process for converting C4 olefinic cuts by metathesis Sep. 23, 2003
6586649 Production of propylene Jul. 1, 2003
6583329 Olefin metathesis in a distillation column reactor Jun. 24, 2003

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