Patents
Patents for C07C 5 - Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms (14,771)
12/2002
12/17/2002US6495710 Synthesis and use of dimethyl 1,5-naphthalenedicarboxlyates and intermediates therefrom
12/17/2002CA2078972C Modular surface catalyzed membrane containing a microporous membrane, catalyst layer and transport layer
12/12/2002WO2002098925A2 Colloid-catalysed gas transfer in supercritical phases
12/12/2002WO2002083569A3 Iron oxides with a higher degree of refining
12/12/2002US20020188160 The catalyst either water-soluble or carbon dioxide-soluble and the reaction product soluble in the phase in which the catalyst is insoluble, wherein the reaction products and catalyst can be readily separated by a phase separation
12/12/2002US20020187891 Zeolite catalyst and use for hydrocarbon conversion
12/12/2002DE10128242A1 Hydrogenation of organic compounds e.g. aromatic amines or phenols, by using hydrogen in presence of catalyst comprising ruthenium on amorphous silicon dioxide based carrier
12/11/2002EP1264816A1 Integrated process for the production of 2,6-dimethylnaphthalene
12/11/2002EP1263701A1 Process for the preparation of xylene
12/11/2002EP1263699A1 Process for the production of olefins
12/11/2002EP1263530A2 Catalytic dehydrogenation processes and chromium catalysts for use therein
12/11/2002EP1117668B1 Fluorous phosphines and process for their preparation
12/11/2002EP1094998B1 Method for producing phytosqualane
12/10/2002US6492568 Removal of phosphorus-containing compounds from an olefin feedstock
12/05/2002WO2002096844A1 Integrated process for the preparation of alkyl and alkenyl substituted aromatic compounds
12/05/2002WO2002096843A1 Olefin isomerization process
12/05/2002WO2002096842A2 Microcrystalline paraffin
12/05/2002US20020183580 Employs new catalysts that possess a unique pore size distribution which provides a favorable balance of selectivity, activity, and thermal stability
12/05/2002US20020183579 Process for production of higher linear internal olefins from butene
12/05/2002US20020183573 Fluidizing dehydrogenation catalyst in single shell fluidized bed reactor containing alkyl aromatic compound to produce vinyl aromatic compound and regenerating catalyst in situ by contacting with steam
12/05/2002US20020183572 Process for the production of linear alpha olefins and ethylene
12/05/2002US20020183571 Radial reactor loading of a dehydrogenation catalyst
12/05/2002US20020183567 Process for preparing a branched olefin, a method of using the branched olefin for making a surfactant, and a surfactant
12/05/2002US20020183192 For use in catalytic cracking, alkylation, disproportional of toluene, isomerization, and transalkylation reactions
12/05/2002DE10126516A1 Verfahren zur Herstellung von mikrokristallinen Paraffinen Process for the preparation of microcrystalline paraffins
12/04/2002EP1261570A1 Method and reactor for autothermal dehydrogenation of hydrocarbons
12/03/2002US6489526 Method for synthesis of hydrocarbyl bridged indenes
11/2002
11/28/2002WO2002094750A1 Oxidative halogenation and optional dehydrogenation of c3+ hydrocarbons
11/28/2002WO2002094740A2 Hydrogenation processes performed in ionic liquids
11/28/2002WO2002094433A1 Process for activating or regenerating a basic metal oxide catalyst useful for olefin isomerization
11/28/2002DE10125613A1 Hydrogen transfer to chemical compounds for hydrogenation and/or hydroformylation comprises reaction in a supercritical or subscritical phase by means of stabilized and dispersed metal particles.
11/28/2002CA2448293A1 Process for activating or regenerating a basic metal oxide catalyst useful for olefin isomerization
11/28/2002CA2446835A1 Hydrogenation processes performed in ionic liquids
11/27/2002EP1259319A1 Hydrocarbon hydrogenation catalyst and process
11/27/2002EP1259318A2 Iron, cobalt and/or nickel containing alpo bound sapo molecular sieve catalyst for producing olefins
11/27/2002EP1183221A4 Improved hydrocarbon dehydrocyclization process
11/27/2002EP1114013B1 On-line synthesis and regeneration of a catalyst used in autothermal oxidation
11/27/2002CN1382112A Method of dehydrogenating triisopropylbenzene and diisopropylbenzene
11/27/2002CN1381433A Two-step catalyzing process for preparing terpinene from turpentine
11/27/2002CN1381307A Composition and its preparation method
11/27/2002CN1094969C Hydroisomerization catalyst, its preparation method and use
11/27/2002CN1094792C Process for preparing oxidate zeolite and application as catalyst thereof
11/27/2002CN1094782C Method and apparatus based on fluidized-bed reactor for converting hydrocarbons
11/26/2002US6486373 Shape selective zeolite catalyst and its use in aromatic compound conversion
11/26/2002US6486370 Dehydrogenation process using layered catalyst composition
11/21/2002US20020173650 Metal complexes for hydrogenation of unsaturated compounds
11/21/2002US20020173600 Polymerizing isomerized olefin monomers in the presence of a catalyst
11/21/2002US20020173422 Oxidative reactions using membranes that selectively conduct oxygen
11/21/2002US20020173420 Catalysts for the oxidative dehydrogenation of hydrocarbons
11/14/2002DE10213868A1 Verfahren zur Herstellung von gereinigtem Dicyclopentadien und 5-Ethyliden-2-norbornen A process for the preparation of purified dicyclopentadiene and 5-ethylidene-2-norbornene
11/13/2002EP1255719A1 Integrated process for producing an alkenyl-substituted aromatic compound
11/13/2002EP1255609A1 Catalyst for hydrogenating unsaturated hydrocarbons
11/13/2002EP0913450B1 Process for preparing methylcyclopentane-containing hydrocarbon
11/12/2002US6479710 Method of catalyzing a gas phase reaction using an acid-base catalyst composed of vanadium pentoxide hydrate
11/12/2002US6479708 Biphasic catalysis in water/carbon dioxide micellar systems
11/07/2002WO2002088056A1 Xylene isomerization
11/07/2002US20020165418 By dehydrogenation of ethylbenzene; maintaining the carbon dioxide-generating ratio in the dehydrogenation step at a level less than 2.1 times that at the initial stage of the reaction; high yield over a long time
11/07/2002US20020165092 Catalyst for selective hydrogenation, its preparation process and application
11/07/2002US20020164284 Synthesis of MCM-58
11/07/2002US20020164278 Apparatus with increased yield and selectivity using side-by-side reaction zones
11/06/2002EP1254882A1 Process for preparing bicyclo 2.2.1]heptane derivatives
11/06/2002EP1253974A1 Chemical process
11/06/2002EP0882002B1 Process for selectively opening naphthenic rings
11/06/2002EP0882001B1 Process for selectively opening naphthenic rings
11/06/2002CN1378483A Hydrocarbon hydrogenation catalyst and process
11/06/2002CN1377870A Process for producing phenyl ethylene by ethyl benzene catalytic dehydrogenation
11/06/2002CN1377869A Process for producing purified dicyclic amylic diene and 5-sub ethyl-2-norbornene
11/06/2002CN1093776C Recombined iron oxide
11/05/2002US6476261 Oxidation process for the production of alkenes and carboxylic acids
11/05/2002US6475950 Catalytic dehydrogenation processes and chromium catalysts for use therein
11/05/2002US6475463 Zeolite SSZ-55
10/2002
10/31/2002WO2002030851A3 Method for the hydrogenation of unsubstituted or alkyl substituted aromatics
10/31/2002US20020159933 An elongate reaction vessel includes at least two stages in the vertical direction in which an endothermic or exothermic catalytic reaction is carried out on at least one reactive fluid in the presence of a catalyst
10/30/2002EP1252259A1 Method and device for producing aromatic compounds comprising catalyst reduction
10/30/2002EP1251961A1 Hydrocarbon dehydrogenation catalyst and process
10/30/2002EP0703886B1 Process for modifying the shape selectivity of a zeolite catalyst and use of the modified catalyst
10/30/2002CN1377331A Catalyst composition and process for making the composition
10/30/2002CN1376534A Multi tubular reactor of solid bed and using method thereof
10/30/2002CN1093432C Catalytic oxidative dehydrogenation process and catalyst
10/29/2002US6472577 Process for increasing the yield and selectivity of a dehydrogenation process using side-by-side reaction zones
10/29/2002US6472576 Process for preparing 2,6-dimethylnaphthalene
10/29/2002US6472575 By isomerization reaction of tetrahydrodicyclopentadiene (tricyclo(5.2.1.0(2,6)decane) with a hydrofluoric acid(hf).boron trifluoride(bf3) catalyst in the presence of group 8,9, or 10 metals which gives a high selection rate
10/24/2002WO2002083569A2 Iron oxides with a higher degree of refining
10/24/2002US20020156334 Process for producing purified dicyclopentadiene and 5-ethylidene-2-norbornene
10/23/2002EP1250287A1 Porous inorganic macrostructure materials and process for their preparation
10/23/2002EP1250191A2 Gel catalysts and methods for their use in catalytic dehydrogenation processes
10/23/2002CN1376142A Process for the dehydrogenation of ethylbenzene to styrene
10/23/2002CN1376089A Method for preparing a low acidity refractory oxide-bound zeolite catalyst
10/17/2002WO2002081417A1 Process for improved yields of higher molecular weight olefins from lower molecular weight olefins
10/17/2002WO2002072508A8 HYDROGENATION OF α-PINENE
10/17/2002WO2001023333A8 Method for the production of isobutane and alkylation gasoline
10/17/2002DE10117996A1 New method for refining iron oxide, e.g. used in catalysts for the dehydration of ethylbenzene to styrene, comprises high temperature calcination
10/16/2002EP1248773A1 Working up a mixture comprising alkene and oxygen
10/16/2002CN1374936A Sulfur containing promoter for alkanes oxidative dehydrogenation processes
10/16/2002CN1374282A Technological process of producing 2,3-dimethyl-2-butene from mixed C6 olefin
10/15/2002US6465705 Mordenite structure with an si/al molar ratio of less than 20, and at least one binder.
10/15/2002US6465704 30 to 90 weight percent iron compound calculated as ferric oxide, 1 to 50 weight percent alkali metal source calculated as alkali metal oxide, 0.1 ppm to 5000 ppm palladium or platinum source; production of styrene from ethylbenzene
10/15/2002US6465667 Synthesis and isomerization of 1,2-bis (indenyl) ethanes
10/10/2002WO2002079128A1 Mini-structured catalyst beds for three-phase chemical processing
10/10/2002US20020147377 Removal impurities with zeolite
1 ... 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 ... 148