Patents
Patents for C07C 5 - Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms (14,771)
10/2002
10/10/2002US20020147374 Process for improved yields of higher molecular weight olefins from lower molecular weight olefins
10/09/2002EP1246696A2 Oxidative reactions using membranes that selectively conduct oxygen
10/09/2002EP1246695A1 Carbide- and oxycarbide-based compositions, rigid porous structures including the same, and methods of making and using the same
10/08/2002US6462248 Through conversion, isomerization and/or adsorptive separation of aromatic compounds
10/08/2002US6462244 Passing the aromatic feed stream containing sulfur over a hydrogenation catalyst comprising platinum and palladium and an inert alumina carrier for hydrogenation
10/08/2002US6461995 Extruded honeycomb dehydrogenation catalyst and method
10/08/2002US6461993 Method for preparing a hydrogenation catalyst system
10/08/2002CA2073850C Process for the production of mono-olefins
10/03/2002US20020143220 Producing mono-olefins by the oxidative dehydrogenation of gaseous paraffinic hydrocarbons having two or more carbon atoms and in by autothermal cracking
10/03/2002US20020142914 Polyoxometallate supported catalysts
10/02/2002EP1040089B1 Meta-xylene production process
10/02/2002CN1371895A Method for raising 2-methyl-2-butene content in isopentene
10/02/2002CN1371894A Process for preparing isopentene containing high content of 2-methyl-2-butene from methyl tertiary amyl ether
10/02/2002CN1091654C Catalyst mainly using for benzene hydrogenation with nickel as principal component
10/01/2002US6458978 Fluorous phosphines and process for their preparation
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
10/01/2002CA2178612C Selective hydrogenation of highly unsaturated compounds in hydrocarbon streams
10/01/2002CA2066656C Wax isomerization using catalyst of specific pore geometry
09/2002
09/26/2002WO2002074721A1 Process for pyrolyzing a light feed
09/26/2002WO2002074437A1 Catalyst comprising sulphated metal oxide, preparation method thereof and use
09/26/2002WO2000013788A3 A polyvalent bifunctional catalyst and the process of realisation of such a catalyst
09/26/2002US20020137977 Aromatic conversion processes and zeolite catalyst useful therein
09/26/2002US20020136678 Fixed-bed shell-and-tube reactor and its usage
09/26/2002US20020134018 Pyrolysis
09/26/2002EP1144110A3 A polyvalent bifunctional catalyst and the process of realisation of such a catalyst
09/26/2002CA2440848A1 Process for pyrolyzing a light feed
09/25/2002EP1243332A1 Paraffin-isomerization catalyst, preparation and use thereof
09/25/2002EP1242344A1 Dehydrogenation of an alkyl aromatic compound and catalyst regeneration in a fluidized bed reactor
09/25/2002CN1371346A Hydrogenation of benzene to cyclohexane
09/25/2002CN1371304A Advances in dehydrogenation catalysis
09/24/2002US6455746 Ultrafine polymetallic particles, preparation and use for hydrogenating olefins and for coupling halogenated aromatic derivatives
09/24/2002US6455023 Metallic catalysts for non-neutral liquid media
09/19/2002WO2002072509A1 Thermal isomerization of lycopene
09/19/2002WO2002072508A1 HYDROGENATION OF α-PINENE
09/19/2002US20020129930 Reactor device having an enclosure made of refractory material and a containment envelope for bringing about chemical reactions requiring heat exchange
09/19/2002US20020129876 Use of austenitic stainless steels in applications requiring anti-coking properties
09/18/2002EP1240121A1 Process for the production of olefins
09/18/2002EP1240120A1 Process for the production of olefins
09/18/2002EP1131156B1 A method for preparing a hydrogenation catalyst system
09/18/2002CN1091086C Microwave reinforced ethylene prepn. process including methane oxidizing and coupling-ethane carbon dioxide oxidizing, dehydro genating and coupling reactions
09/18/2002CN1090997C Multiple metals catalyst for selective hydrogenation dealkynizing
09/17/2002US6452061 Mono-olefins from gaseous parafinic hydrocarbons; platinum catalyst on a monolith support composed of oxides of zr, ca, mg, hf, and ti tailored to match expansion coefficient of reactor housing; nonvolatile at high reaction temperatures
09/17/2002US6451934 Process for preparation of high 1,4-CIS polybutadiene
09/14/2002CA2340821A1 Paraffin-isomerization catalyst and process
09/12/2002US20020128486 Phosphinite-oxazolines and metal complexes
09/11/2002EP1021244B1 A method of providing heat
09/11/2002CN1090599C Highly branched primary alcohol compositions, and biodegradable detergents made therefrom
09/10/2002US6448459 Hydrocarbon feedstock is enriched with ethylbenzene which is recovered; isomerized in a catalytic isomerization zone in vapor phase in the presence of hydrogen with a catalyst, an isomerate recovered; distillation; recycling, adsorption
09/10/2002US6448458 Arylalkane compositions produced by isomerization, dehydrogenation, and alkylation
09/10/2002US6447748 Benzamide compounds for cancer imaging and therapy
09/06/2002WO2001064335A3 Iron, cobalt and/or nickel containing alpo bound sapo molecular sieve catalyst for producing olefins
09/06/2002WO2001034287A9 Method for catalytically dehydrating hydrocarbons in a tube reactor
09/04/2002EP1236506A1 Multi-stage low bed-depth catalytic reactor having internal heat exchange, and use thereof
09/04/2002EP0951443B1 Hydrocarbon conversion using large crystal zeolite catalyst
09/04/2002CN1090175C Improved acrylonitrile recovery process
09/04/2002CN1090174C Improved process for hydrocyanation of diolefins and isomerization of nonconjugated 2-alkyl-3-monoalkenenitriles
09/04/2002CN1090159C Process for selective hydroisomerisation of long linear and/or slightly branched paraffins using catalyst based on molecular sieve
09/04/2002CN1090158C Gas phase alkylation-liquid transalkylation process
09/03/2002US6444168 Apparatus comprising furnaces, reactors or conduits used in applications requiring anti-coking properties and novel steel compositions
08/2002
08/28/2002EP1140956B1 Ligands and complexes for enantioselective hydrogenation
08/28/2002EP0882000B1 Hydroisomerization with reduced hydrocracking
08/28/2002CN1089632C Cobalt on alumina catalysts
08/28/2002CA2373186A1 Thin catalytic multilayer converter and process with internal heat exchanger, and its utilization
08/27/2002US6441258 Synthesis and isomerization of 1,2-bis (indenyl) ethanes
08/27/2002US6440299 Process for removal of mercaptans from hydrocarbon streams
08/22/2002WO2002064707A2 A process for preparing (branched-alkyl) arylsulphonates and a (branched-alkyl) arylsulphonate composition
08/22/2002WO2002064532A2 A process for preparing a branched olefin, a method of using the branched olefin for making a surfactant, and a surfactant
08/22/2002US20020115884 Entire amount of the aromatic carboxylic acid of a raw material is dissolved in the solvent by recycling a portion of a reaction liquid taken out of a reactor into the reactor
08/22/2002CA2573297A1 A process for preparing a branched olefin, a method of using the branched olefin for making a surfactant, and a surfactant
08/22/2002CA2438351A1 A process for preparing a branched olefin, a method of using the branched olefin for making a surfactant, and a surfactant
08/21/2002EP1232788A2 Composite product and manufacturing method thereof
08/21/2002EP1135351A4 Isomerization of hydrocarbons
08/21/2002CN1089277C Non-crystalline alloy catalyst containing Ni and B, its prepn. and use
08/20/2002US6437210 Comprised of chromium, tungsten, molybdenum, silicon, and aluminum oxides; dehydrogenation of hydrocarbons; improved conversion and selectivity
08/20/2002US6437206 Catalyst and processes for the selective hydrogenation of unsaturated compounds in hydrocarbon streams
08/20/2002US6436871 Catalysts for oxidative dehydrogenation
08/20/2002US6436869 Iron, cobalt and/or nickel containing ALPO bound SAPO molecular sieve catalyst for producing olefins
08/20/2002US6436863 Formed by combining a zeolite, a group vib metal, and an inorganic support; calcining to produce a calcined, modified zeolite; and contacting with a carburizing agent
08/20/2002CA2237033C Improved process for hydrocyanation of diolefins and isomerization of nonconjugated 2-alkyl-3-monoalkenenitriles
08/15/2002WO2002062731A1 Process for producing adamantane compound
08/15/2002US20020111269 Active catalyst; high strength
08/14/2002EP1230157A1 Method for production of synthetic zeolites with an mfi structure
08/14/2002EP1230022A2 Hydrocarbon hydrogenation catalyst and process
08/14/2002EP1194375A4 Synthetic porous crystalline mcm-68, its synthesis and use
08/14/2002EP1137739A4 Catalytic cracking process using an mcm-68 catalyst
08/14/2002CN1363541A Process for preparing 2,6-dimethyl naphthalene by dismutating 2-methyl naphthalene
08/13/2002US6433236 Acid catalyzed isomerization of substituted diaryls
08/13/2002US6433234 Process for the production of olefins
08/08/2002US20020107425 Reacting indenyl lithenide with dihaloalkane in tetrahydrofuran to produce isomers of 1,2-bis(indenyl)ethane
08/08/2002US20020107424 Hydrocarbon hydrogenation catalyst and process
08/08/2002US20020104780 Prepared by using phenylcycloalkylmethyl ammonium cations as structure directing agents.
08/07/2002EP1229011A1 Process for producing styrene
08/07/2002CN1362391A Catalyst for selective disproportionation and modification of toluene
08/07/2002CN1362390A Catalyst for selective disproportionation of toluene
08/01/2002WO2002059066A1 Process for the production of linear alpha olefins and ethylene
08/01/2002DE10103708A1 Thermische Isomerisierung von Lycopin Thermal isomerization of lycopene
07/2002
07/31/2002EP1226101A1 Method for producing an alcohol from an alkene
07/30/2002US6426433 Method for producing acrolein and/or acrylic acid from propane
07/30/2002US6425998 Hydrogen detector in hydrocarbon reaction zone; measuring partial pressure
07/25/2002WO2002057326A2 Methods for forming amorphous ultra-high molecular weight polyolefins for use as drag reducing agents
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