| Patents for C07C 6 - Preparation of hydrocarbons from hydrocarbons containing a different number of carbon atoms by redistribution reactions (4,092) | 
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| 04/27/2004 | US6727397 Reacting methane with another alkane in the presence of a metal capable of catalyzing a methathesis | 
| 04/27/2004 | US6727396 Process for the production of linear alpha olefins and ethylene | 
| 04/22/2004 | WO2004033395A2 Critical phase alkylation process | 
| 04/22/2004 | WO2004033394A2 Critical phase alkylation process | 
| 04/22/2004 | US20040077910 Process for the utilization of refinery C4 streams | 
| 04/22/2004 | US20040077909 Hydrogenation of butadiene, isomerization of butene-1 into butene-2, separation of mixture rich in isobutene and butene-1 and fraction rich in butene-2, isomerization of isobutene into n-butenes, metathesis of butene-2 with ethylene | 
| 04/22/2004 | US20040077484 For example, the dewaxing and isodewaxing of paraffins and the disproportionation of toluene. | 
| 04/22/2004 | CA2499590A1 Critical phase alkylation process | 
| 04/22/2004 | CA2499581A1 Critical phase alkylation process | 
| 04/21/2004 | CN1490289A Method for preparing propylene by butene disproportionation | 
| 04/21/2004 | CN1490085A Zeolite catalyst for synthesis of isopropyl benzene from benzene and propylene | 
| 04/21/2004 | CN1490081A Fixed bed catalyst for producing propene from butylene by disproportion | 
| 04/15/2004 | WO2004030818A1 Reactivation of aromatics alkylation catalysts | 
| 04/15/2004 | WO2003093230A9 Process for aromatics alkylation employing zeolite beta prepared by the in-extrudate method | 
| 04/14/2004 | EP1406727A1 Reactivation of aromatics alkylation catalysts | 
| 04/14/2004 | EP1218324B1 Alkylaromatics production | 
| 04/08/2004 | US20040068152 Ethylation of benzene in supercritical phase to ethylbenzene using lanthanum modified zeolite type beta alkylation catalyst | 
| 04/08/2004 | US20040068151 Critical phase alkylation process | 
| 04/07/2004 | EP1404634A1 Process for producing cumene | 
| 04/07/2004 | CN1487908A Modified method for producing higher alpha-olefins | 
| 04/01/2004 | WO2004026797A2 Alkylaromatics production | 
| 04/01/2004 | WO2004026454A2 Formation of enediynes by reductive coupling followed by alkyne metathesis | 
| 03/31/2004 | EP1401795A2 Selective production of meta-diisopropylbenzene | 
| 03/25/2004 | US20040059169 Method for producing hydrocarbons having a modified carbon skeleton | 
| 03/25/2004 | US20040059167 Reacting an aromatic compound with an alkene containing an alkane in a multistage reaction system comprising a plurality of series-connected reaction zones each with an alkylation catalyst; ethylbenzene production | 
| 03/24/2004 | EP1400502A2 Process for the preparation of 2,6-dimethylnaphthalene | 
| 03/24/2004 | EP1399253A1 Catalyst consisting of a transition metal supported on a high purity silica for the metathesis of olefin(s) | 
| 03/24/2004 | CN1484625A Method for producing hydrocarbons having a modified carbon skeleton | 
| 03/18/2004 | US20040054241 Transalkylation, isomerization using trialkylaluminum; metathesis | 
| 03/17/2004 | EP1137739B1 Catalytic cracking process using an mcm-68 catalyst | 
| 03/17/2004 | CN1142022C Transalkylation catalyst and its prepn. | 
| 03/16/2004 | US6706937 Supplying toluene-containing feedstock to reaction zone containing metal modified zeolite transalkylation catalyst for disproportionation to benzene and xylene, supplying benzene and polyalkylated aromatic component for transalkylation | 
| 03/11/2004 | US20040045872 Macrostructures of porous inorganic material which can have controlled size, shape, and/or porosity and a process for preparing the macrostructures. The macrostructures comprise a three-dimension network of particles of porous inorganic | 
| 03/10/2004 | EP1395534A1 Impurity inhibition in olefin metathesis reactions | 
| 03/10/2004 | CN1141278C Selective disproportionation and alkyl transfer process for preparing p-xylene | 
| 03/10/2004 | CN1141277C Process for preparing p-xylene | 
| 03/10/2004 | CN1141276C Process for disproportionating toluene and transferring alkyl radical of heavy arylhydrocarbon | 
| 03/03/2004 | EP1392628A1 Production of diisopropylbenzene | 
| 02/26/2004 | WO2004016351A1 Metathesis catalyst and process | 
| 02/24/2004 | US6696597 Metathesis syntheses of pheromones or their components | 
| 02/12/2004 | US20040030211 Liquid phase catalytic alkylation using zeolite | 
| 02/11/2004 | CN1137781C Improved NES structure zeolite, application in disproportionation reaction and/or alkyl transferring of alkyl aromatics | 
| 02/05/2004 | WO2003070669A3 Modified method for producing surfactant alcohols and surfactant alcohol ethers, the products of said method and use of the same | 
| 02/05/2004 | US20040020827 N-cyclobutylmethyl-n-ethylhexa(or hepta)methyleneiminium cation structure directing agen; catalytic cracking, isomerization, alkylation | 
| 02/04/2004 | EP1385807A1 Process for improved yields of higher molecular weight olefins from lower molecular weight olefins | 
| 02/04/2004 | EP1127041B1 Process for manufacturing alkanes | 
| 02/04/2004 | CN1136986C Modified zeolite catalyst for preparing nano alkylbenzene from polyalkylbenzene and benzene and its preparing process | 
| 02/03/2004 | US6686510 Selective hydrogenation, hydroisomerization and metathesis | 
| 01/28/2004 | CN1136050C Catalyst for disproportioning and alkyltransferring toluene and carbon 9 and heavy aromatics containing carbons more than nine | 
| 01/27/2004 | US6683019 Comprises transition metal or oxide supported on high purity silica such that in catalytic reaction of pure 1-butene possesses weight selectivity to 3-hexene; minimizes or eliminates double bond isomerization reactions | 
| 01/27/2004 | CA2321709C Solid acid catalyst, method for producing the same and reaction method using the same | 
| 01/22/2004 | WO2004007072A1 Zeolite catalyst for the alkylation of aromatic compounds with olefins, alcohols or polyalkylated aromatic compounds | 
| 01/15/2004 | WO2004005223A1 Phosphorus containing ligands for metathesis catalysts | 
| 01/15/2004 | US20040010175 Catalyst and process for contacting a hydrocarbon and ethylene | 
| 01/15/2004 | CA2490144A1 Phosphorus containing ligands for metathesis catalysts | 
| 01/14/2004 | EP1379489A1 Method for the production of propene | 
| 01/14/2004 | EP1379485A1 Selective ring-opening cross-metathesis of cycloolefins | 
| 01/14/2004 | CN1467187A Conversion of aromatic hydrocarbons | 
| 01/13/2004 | US6677495 Reacting in a homogeneously or heterogeneously catalyzed metathesis reaction a hydrocarbon mixture which contains cyclopentene and acyclic monoolefins, ring-scission metathesis and their use as intermediates | 
| 01/08/2004 | US20040006251 Transalkylation of aromatic fluids | 
| 01/08/2004 | US20040004026 Hydrocarbon conversion using zeolite SSZ-54 | 
| 01/07/2004 | CN1465435A Catalyst for preparing propene at low temp. from ethylene and butylene, proparation process and use thereof | 
| 01/07/2004 | CN1465434A Catalyst for reversal disproportionation preparation of propene from ethylene and butylene | 
| 01/06/2004 | US6673979 Process for separating alkylaromatic hydrocarbons | 
| 01/02/2004 | EP1373170A1 Cross-metathesis reaction of functionalized and substituted olefins using group 8 transition metal carbene complexes as metathesis catalysts | 
| 01/02/2004 | EP1373169A1 Modified method for producing higher alpha-olefin | 
| 01/02/2004 | EP1372844A1 High activity metal carbene metathesis catalysts generated using a thermally activated n-heterocyclic carbene precursor | 
| 12/31/2003 | WO2004000770A1 Method for alkylating aromatic compounds with methane | 
| 12/31/2003 | WO2004000760A1 Method for alkylating aromatic ring compounds with alkanes | 
| 12/25/2003 | US20030236175 Process for well fluids base oil via metathesis of alpha-olefins | 
| 12/18/2003 | WO2003104173A1 Process for manufacturing alkanes | 
| 12/18/2003 | WO2003104172A1 Process for manufacturing alkanes | 
| 12/18/2003 | WO2003104171A1 Process for converting methane into ethane | 
| 12/18/2003 | CA2488758A1 Process for converting methane into ethane | 
| 12/17/2003 | EP1371622A2 Conversion of aromatic hydrocarbons | 
| 12/17/2003 | CN1131105C Solid acid catalyst, method for preparing same and reaction method using the same | 
| 12/13/2003 | CA2721185A1 Conversion of aromatic hydrocarbons | 
| 12/11/2003 | WO2003101920A1 Process for the production of a well fluids base oil via metathesis of alpha-olefins | 
| 12/11/2003 | US20030229258 Conversion of aromatic hydrocarbons | 
| 12/04/2003 | US20030224945 Removing products from the gaseous ethylene to drive the reaction to completion and isomerization of the products; intermediate for forming an alkenylsuccinic anhydride surfactant or a plasticizer | 
| 12/04/2003 | US20030224930 Preparation of a supported catalyst based on rhenium and its use in the metathesis reaction of olefins | 
| 12/03/2003 | EP1194375B1 Synthetic porous crystalline mcm-68, its synthesis and use | 
| 11/27/2003 | WO2003097562A2 High activity metal carbene metathesis catalysts generated using a thermally activated n-heterocyclic carbene precursor | 
| 11/26/2003 | EP1194236B1 Metal-containing macrostructures of porous inorganic oxide, preparation thereof, and use | 
| 11/25/2003 | US6652832 Using n,n-dimethylhexamethylenimine template; hydrorefinign catalyst | 
| 11/19/2003 | CN1457272A Rhenium alkylidene catalysts fixed on carrier and used for metathesis of olefins | 
| 11/13/2003 | WO2003093230A2 Process for aromatics alkylation employing zeolite beta prepared by the in-extrudate method | 
| 11/13/2003 | WO2003093215A1 Intergrated chemical processes for industrial utilization of seed oils | 
| 11/13/2003 | WO2003092854A1 Processing of chemicals in flow-through device with porous media | 
| 11/13/2003 | CA2701533A1 Intergrated chemical processes for industrial utilization of seed oils | 
| 11/13/2003 | CA2483832A1 Processing of chemicals in flow-through device with porous media | 
| 11/11/2003 | US6646175 Production of olefins | 
| 11/11/2003 | US6646172 Preparation of propene | 
| 11/06/2003 | US20030208094 Zeolite NU-87 (NES type); hydrorefining catalysts | 
| 11/06/2003 | US20030205456 Thereafter subjecting the device to microwave energy, heat or UV energy in order to accelerate reactions; chromatography | 
| 11/05/2003 | EP1358141A1 Production of alkylaromatic compounds | 
| 10/30/2003 | US20030204124 Olefin metathesis | 
| 10/30/2003 | US20030204123 For production of propylene from 2-butene and ethylene via concurrent fractional distillation within reactor comprising fixed bed | 
| 10/30/2003 | US20030204121 Process for aromatics alkylation employing zeolite beta prepared by the in-extrudate method | 
| 10/28/2003 | US6639116 Single step catalytic condensation of nonconjugated diene, triene or polyene with conjugated aliphatic diene |