Patents
Patents for C07C 6 - Preparation of hydrocarbons from hydrocarbons containing a different number of carbon atoms by redistribution reactions (4,092)
10/2002
10/10/2002US20020147374 Process for improved yields of higher molecular weight olefins from lower molecular weight olefins
10/10/2002CA2442636A1 Selective ring-opening cross-metathesis of cycloolefins
10/10/2002CA2442368A1 Cross-metathesis reaction of functionalized and substituted olefins using group 8 transition metal carbene complexes as metathesis catalysts
10/09/2002CN1373007A Catalyst for preparing propylene by dismutation reaction and its preparing process and application
10/09/2002CN1373006A Zeolite catalyst for preparing ethylbenzene from polyethyl benzene and benzene and preparing process thereof
10/09/2002CN1373004A Zeolite catalyst for preparing ethyl benzene from polyethyl benzene and phenalkyl and preparing process thereof
10/09/2002CN1092172C Process for preparation of monoalkyl benzene
10/08/2002US6462247 Using a catalyst of dealuminated nickel-mordenite structure having a silica-to-aluminum mole ratio of between about 10 and about 50
10/08/2002US6461580 Using zeolite SSZ-58 for reduction of oxides of nitrogen in a gas stream
10/03/2002WO2002076613A1 High activity metal carbene metathesis catalysts generated using a thermally activated n-heterocyclic carbene precursor
10/03/2002US20020143222 For producing propylene from an olefinic C4 cut
10/03/2002CA2441500A1 High activity metal carbene metathesis catalysts generated using a thermally activated n-heterocyclic carbene precursor
10/02/2002CN1372534A Process for manufacturing alkanes with methane
10/01/2002US6458736 The binder comprising particles having a particle size less than that of the first zeolite; hydrorefining catalyst selectivity; cracking; isomerization; disproportionation; transalkylation; alkylation; reforming
09/2002
09/26/2002US20020137977 Aromatic conversion processes and zeolite catalyst useful therein
09/18/2002EP1240122A1 Metathesis process for converting short chain olefins to longer chain olefins
09/06/2002WO2001064335A3 Iron, cobalt and/or nickel containing alpo bound sapo molecular sieve catalyst for producing olefins
09/04/2002EP0951443B1 Hydrocarbon conversion using large crystal zeolite catalyst
09/04/2002CN1090158C Gas phase alkylation-liquid transalkylation process
09/04/2002CN1090157C Process for preparing middle chain to near middle chain branched alpha-alkene
08/2002
08/29/2002WO2002066406A1 Modified method for producing higher $g(a)-olefin
08/29/2002WO2001016059A9 Process for conversion of well gas by disproportionation to saleable products
08/29/2002US20020120173 Injecting a stabilizer: an aluminum compound XqAIR'r- (X is aradical selected from alkoxide or aryloxides, sulfides(RS-) and amines(R2N), R'is alkyl radical of 1-20 carbon atoms, q and r= 1, or 2, sum of q+r= 3 to reduce catalyst deactivation
08/29/2002CA2434579A1 Modified method for producing higher alpha-olefin
08/28/2002EP0988265B1 Heavy aromatics processing
08/27/2002US6440886 Zeolite beta and its use in aromatic alkylation
08/22/2002WO2002053520A3 Method for producing hydrocarbons having a modified carbon skeleton
08/21/2002CN1365300A Hydrocarbon conversion process and catalyst useful therein
08/20/2002US6437209 Injecting aluminum promoter into feedstock to reduce deactivation of catalyst; allows rebalancing of ethylene, propylene, butenes, and pentenes from cracking operation; improved efficiency
08/20/2002US6436869 Iron, cobalt and/or nickel containing ALPO bound SAPO molecular sieve catalyst for producing olefins
08/15/2002WO2002062734A1 Production of alkylaromatic compounds
08/14/2002EP1230207A2 Metathesis syntheses of pheromones or their components
08/14/2002EP1194375A4 Synthetic porous crystalline mcm-68, its synthesis and use
08/14/2002EP1137739A4 Catalytic cracking process using an mcm-68 catalyst
08/08/2002WO2002060815A1 Microporous crystalline material (itq-19) with laminar characteristics, preparation method and use thereof as a catalyst in the catalytic conversion of organic compounds
08/08/2002CA2436430A1 Microporous crystalline material (itq-19) with laminar characteristics, preparation method and use thereof as a catalyst in the catalytic conversion of organic compounds
08/07/2002CN1362391A Catalyst for selective disproportionation and modification of toluene
08/07/2002CN1362390A Catalyst for selective disproportionation of toluene
08/06/2002US6429347 Precoking zeolite mfi catalyst; alkylation of toluene to p-xylene; regeneration
08/06/2002US6429346 Simultaneous process for simulated moving-bed dismutation and separation of toluene into benzene and xylenes
08/01/2002WO2002059066A1 Process for the production of linear alpha olefins and ethylene
08/01/2002DE10103309A1 Verfahren zur Herstellung höherer Alpha-Olefine A process for the production of higher alpha-olefins
08/01/2002DE10100485A1 Verfahren zur Herstellung von Kohlenwasserstoffen mit verändertem Kohlenstoffgerüst A process for preparing hydrocarbons having an altered carbon skeleton
07/2002
07/24/2002EP0641254B1 Catalyst supports, supported catalysts methods of making the same and methods of using the same
07/24/2002CN1359752A Modified zeolite catalyst for preparing nano alkylbenzene from polyalkylbenzene and benzene and its preparing process
07/24/2002CN1088095C Process and apparatus for converting C4 olefine fraction to polyisobutylene and propene
07/24/2002CN1088049C Aromatic conversion processes and zeolite catalyst useful therein
07/23/2002US6423880 Contacting hydrocarbon disproportionation acid catalyst
07/17/2002EP1100765A4 A process for producing terephthalic acid and/or dimethyl terephthalate
07/17/2002EP1091907B1 Molecular sieve cit-6
07/17/2002CN1359359A Alkylaromatics production
07/16/2002US6420305 Kneading, shaping and roasting catalyst supports comprising zirconia, alumina and sulfur compounds, used for acylation, isomerization, disproportionation, alkylation, esterification, etherification and addition polymerization
07/11/2002WO2002053520A2 Method for producing hydrocarbons having a modified carbon skeleton
07/11/2002US20020091293 Progressive temperature gradient stabilizes hydrorefining catalysts (metal-modified zeolite) to allow long duration of use and low by-product make
07/11/2002US20020091060 Crystalline aluminosilicate zeolite with a SiO2/Al2O3 molar ratio of 10-100; 0.05-10 parts of metal bismuth or oxides thereof supported on the zeolite
07/04/2002WO2002051539A1 Crystalline multinary metal oxide compositions, process for preparing and processes for using the composition
07/04/2002US20020085976 Process for preparing zeolites
07/03/2002EP1218324A1 Alkylaromatics production
07/03/2002CN1356927A Metal-contg. macrostructures of porous inorganic oxide, prepn. thereof, and use
06/2002
06/27/2002WO2002016290A3 Method for synthesising terminal olefins having a limited molar mass distribution
06/27/2002US20020081262 Process for preparing zeolites using pyrrolidinium cations
06/20/2002WO2002048077A1 Process for producing adamantane compound
06/19/2002EP0841988B1 A ruthenium-based catalyst composition for olefin metathesis
06/18/2002US6406614 Method for zeolite platinization
06/12/2002EP1176234A9 Catalyst supports, supported catalysts, methods of making the same and methods of using the same
06/12/2002EP1037897B1 Highly active cationic ruthenium and osmium complexes for olefin metathesis reactions
06/11/2002US6403856 Process for separating alkylaromatic hydrocarbons
06/05/2002EP1210307A1 Process for conversion of well gas by disproportionation to saleable products
06/04/2002US6399846 From mixture of aromatic hydrocarbons
05/2002
05/29/2002EP1208907A1 Multistage reaction system with interstage sparger systems and its use in alkylation
05/29/2002DE10046143A1 Trägerfixierte Katalysatoren für die Olefin-Metathese Supported catalysts for olefin metathesis
05/29/2002CN1085643C Heat integration in alkylation/transalkylation process
05/29/2002CN1085558C Aluminosilicate carrier for metathesis catalysts
05/28/2002US6395945 Integrated hydroisomerization alkylation process
05/16/2002US20020058812 Highly active metathesis catalysts generated in situ from inexpensive and air stable precursors
05/14/2002US6388159 Xylene isomerization process using UZM-5 and UZM-6 zeolites
05/14/2002US6388158 Process for the production of 2,6-dimethylnaphthalene from petrochemical streams
05/14/2002US6388157 Aromatic alkylation process using UZM-5 and UZM-6 aluminosilicates
05/10/2002WO2002036489A1 Uzm-5, uzm-5p and uzm-6; crystalline aluminosilicate zeolites and processes using the same
05/10/2002CA2427555A1 Uzm-5, uzm-5p and uzm-6; crystalline aluminosilicate zeolites and processes using the same
05/09/2002US20020055598 Acid activation of ruthenium metathesis catalysts and living ROMP metathesis polymerization in water
05/08/2002EP0922020B1 Process for the production of alkylated benzenes
05/08/2002CN1084321C Toluene disproportionation and transalkylation method
05/07/2002US6383967 Selective aromatics disproportionation/transalkylation catalyst
04/2002
04/24/2002CN1083412C Methylation of toluene to para-xylene
04/24/2002CN1083411C Preparation of propene
04/24/2002CN1083291C Process for modifying shape selectivity of a zeolite catalyst
04/17/2002EP1196361A1 High temperature metathesis process
04/17/2002EP1044069B1 Preparation of zeolite bound by mfi structure type zeolite and use thereof
04/11/2002WO2002002490A3 Synthesis of high quality normal alpha olefins
04/11/2002US20020042548 Alkylating benzene and propylene with molecular sieve catalyst
04/10/2002EP1194394A1 Process for manufacturing alkanes with methane
04/10/2002EP1194375A1 Synthetic porous crystalline mcm-68, its synthesis and use
04/10/2002EP1194236A1 Metal-containing macrostructures of porous inorganic oxide, preparation thereof, and use
04/09/2002CA2207526C Process for preparing dialkylnaphthalene
04/04/2002WO2002026671A1 Maximizing meta-isomers in the production of dialkylbenzene compounds
04/04/2002US20020038775 Porous inorganic macrostructure materials and process for their preparation
04/03/2002EP1192005A1 Hydrocarbon conversion process and catalyst useful therein
04/03/2002EP1075482B1 Cationic ruthenium complexes, their production and their use
03/2002
03/28/2002US20020038067 Reactivation of aromatics alkylation catalysts
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