Patents
Patents for C07C 5 - Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms (14,771)
12/1998
12/23/1998EP0885275A1 Synthetic diesel fuel and process for its production
12/23/1998EP0783471B1 Ethane pyrolysis
12/23/1998EP0630290B1 Process for preparing a shape selective conversion catalyst
12/23/1998CN1041268C Method for controlling insects and acarids
12/22/1998US5852130 Catalytic composition based on transition metal complexes, and a process for the hydrogenation of unsaturated compounds
12/17/1998WO1998056738A1 Olefin skeletal isomerization process
12/17/1998WO1998056502A1 Halogen-containing catalyst and process for the preparation thereof
12/17/1998CA2290606A1 Olefin skeletal isomerization process
12/16/1998EP0884101A2 Catalyst comprising at least a hydrogenation metal component and a synthetic clay
12/15/1998US5849982 Recovery of styrene from pyrolysis gasoline by extractive distillation
12/15/1998US5849975 Process for isomerization of normal olefin
12/15/1998US5849974 Olefin isomerization process
12/15/1998US5849969 Hydrodealkylation processes
12/15/1998US5849968 Hydrocarbon conversion process with alkaline earth metal ion exchanged selectivated zeolite catalyst
12/15/1998US5849967 Hydrocarbon conversion process using binderless zeolite L catalyst
12/15/1998US5849966 Catalyst and process for the isomerization of olefins in the presence of reactive impurities
12/15/1998US5849657 Catalyst for the dehydrogenation of C6 -C15 paraffins and to a process for making such catalysts
12/09/1998EP0882002A1 Process for selectively opening naphthenic rings
12/09/1998EP0882001A1 Process for selectively opening naphthenic rings
12/09/1998EP0882000A1 Hydroisomerization with reduced hydrocracking
12/09/1998CN1201405A Method for reactivating ruthenium catalyst
12/09/1998CN1041081C Method for continuous dehydrogenation of paraffin hydrocarbon to produce olefin hydrocarbon
12/09/1998CN1041061C Activated zeolite beta catalyst and isomerization process therefor
12/08/1998US5847250 Supported palladium catalyst for selective catalytic hydrogenation of acetylene in hydrocarbonaceous streams
12/08/1998US5847249 Apparatus and process for catalytic distillations
12/08/1998US5846400 Methods of using zeolite SSZ-42
12/02/1998EP0881275A2 Process for catalytic gasphase hydrogenation of olefins
12/02/1998EP0880489A1 Process for production of paraxylene
12/02/1998EP0880488A1 Process for conversion of ethylbenzene
12/02/1998EP0880388A1 Etherification-hydrogenation process
12/02/1998EP0769984A4 Zeolite ssz-41
12/01/1998US5844064 Process for preparing dialkylnaphthalene
12/01/1998CA2048330C Hydrotreating catalyst: composition, preparation, and use thereof
11/1998
11/25/1998EP0879218A1 Process for the partial oxidation of alkanes
11/25/1998CN1200140A Synthetic diesel fuel and process for its production
11/25/1998CN1040870C Reduction dehalogerating reaction of halohydrocarbon under action of active alkali metal hydride
11/24/1998US5841013 Catalyst composition including oxides of molybdenum and/or tungsten, chromium and/or divalent manganese, iron, cobalt, nickel, copper, zinc and neutral nitrogen containing chelating polydentate ligand
11/18/1998EP0877781A1 Shape selective zeolite catalyst and its use in aromatic compound conversion
11/18/1998CN1040746C New crystalline form of vitamin D analogue
11/18/1998CN1040742C Method of production of styrene
11/17/1998US5837127 Process for cracking and transhydrogenation of hydrocarbon feedstock
11/12/1998DE19811602A1 New process for prevention of premature polymerisation of styrene during its production by dehydrogenation of ethyl:benzene
11/11/1998EP0876444A1 High purity paraffinic solvent compositions, and process for their manufacture
11/11/1998EP0658154B1 Dehydrogenation process
11/10/1998US5833839 High purity paraffinic solvent compositions, and process for their manufacture
11/10/1998US5833838 Prevention of coking and carburization during hydrocarbon catalytic cracking by coating steel reactor tube with nonpeeling coating of nonoxidized chromium bonded to surface with carbide intermediate layer
11/05/1998WO1998037168A3 Catalyst and process for the hydrogenation of hydrocarbons
11/04/1998EP0752914B1 Supported lewis acid catalysts for hydrocarbon conversion reactions
11/04/1998CN1198170A Mesoscopic organopolysiloxane particles with chemically bound metallic compounds
11/04/1998CN1197782A Method for producing cycloolefin and cycloalkane
11/03/1998US5831135 Catalyst selectivity; purity
10/1998
10/29/1998WO1998047840A1 Xylene isomerization process
10/29/1998WO1997028106A3 Hydroisomerization with reduced hydrocracking
10/29/1998CA2286736A1 Xylene isomerization process
10/28/1998EP0873306A1 Improved process for hydrocyanation of diolefins and isomerization of nonconjugated 2-alkyl-3-monoalkenenitriles
10/28/1998CN1197476A Synthetic diesel fuel and process for its prodn.
10/28/1998CN1196975A Non-crystalline alloy catalyst containing Ni and B, its prepn. and application
10/28/1998CN1040422C Method for prepn. of light alkene by dehydrogenation from relative paraffin
10/27/1998CA2050146C Catalyst preparation
10/21/1998EP0562113B1 Continuous partial hydrogenation of monocyclic aromatic hydrocarbon with pretreated catalyst slurry
10/20/1998US5826202 Process for the preparation of camphene by the rearrangement of a-pinene
10/20/1998US5824831 Catalyst for dehydrogenation of alkyl aromatic hydrocarbon and process for producting vinyl aromatic hydrocarbon using the same
10/20/1998US5824622 Porous microcomposite of perfluorinated ion-exchange polymer and metal oxide, a network of silica, or a network of metal oxide and silica derived via a sol-gel process
10/15/1998WO1998045212A1 CERIUM OXIDES, ZIRCONIUM OXIDES, Ce/Zr MIXED OXIDES AND Ce/Zr SOLID SOLUTIONS HAVING IMPROVED THERMAL STABILITY AND OXYGEN STORAGE CAPACITY
10/15/1998CA2285228A1 Cerium oxides, zirconium oxides, ce/zr mixed oxides and ce/zr solid solutions having improved thermal stability and oxygen storage capacity
10/14/1998EP0729448B1 Process for the preparation of ethylenically unsaturated compounds
10/13/1998US5821188 Catalyst for use in the dehydrogenation and isomerization of paraffins and method
10/08/1998WO1998044076A1 Process for preparing methylcyclopentane-containing hydrocarbon
10/08/1998WO1998043932A1 Low pressure hydrodealkylation of ethylbenzene and xylene isomerization
10/08/1998WO1998043734A1 Catalyst for dehydrogenation of alkylaromatic hydrocarbon, process for producing the catalyst, and process for producing vinylaromatic hydrocarbon by using the catalyst
10/08/1998CA2283724A1 Low pressure hydrodealkylation of ethylbenzene and xylene isomerization
10/07/1998EP0868416A1 Manufacturing of 2,6-dimethylnaphthalene
10/07/1998CN1194883A Superacid Catalyst for hydroisomerization of N-paraffins and process for its preparation
10/07/1998CN1040100C Process for preparing aldehyde substituted in alpha-position with alkyl
10/07/1998CN1040098C Method and equipment for producing allyl aromatics from catalyzing dehydrogenation of alkyl aromatics
10/06/1998US5817907 Process for skeletal isomerization of linear olefins using a pretreated molecular sieve, and a catalyst containing a pretreated sieve
10/06/1998US5817901 Selective hydrogenation of hydrocarbon cuts containing monounsaturated and polyunsaturated hydrocarbons
10/06/1998US5817596 Group 6 and group 8 metal on support
10/06/1998US5817589 Hydrogenation catalyst
10/01/1998WO1998042651A1 Process for separating and purifying alkali metal salts of hydroxynaphthalenecarboxylic acids
10/01/1998WO1998042438A1 Catalysts with modified molybdenum oxycarbide base prepared from oriented molybdenum and method for producing same
10/01/1998CA2284883A1 Catalysts with modified molybdenum oxycarbide base prepared from oriented molybdenum and method for producing same
10/01/1998CA2255621A1 Process for separating and purifying alkali metal salts of hydroxynaphthalenecarboxylic acids
09/1998
09/30/1998EP0866731A1 Method of producing selective-dehydrogenation catalysts, and catalysts produced in this way
09/30/1998EP0707517B1 Process and apparatus for controlling reaction temperatures
09/30/1998CN1039988C Selective hydrogenation of hydrocarbon
09/29/1998CA2140737C Catalyst for use in the dehydrogenation and isomerization of paraffins and method for preparing the catalyst
09/22/1998US5811630 PSA process with reaction for reversible reactions
09/22/1998US5811624 Selective opening of five and six membered rings
09/22/1998US5811623 Converting linear olefins to branched olefins and separating olefins from paraffins
09/22/1998US5811622 Process for the production of dehydrogenated hydrocarbons
09/22/1998US5811608 Process for oligomer production and saturation
09/20/1998CA2232502A1 Polymerization inhibitor process
09/16/1998EP0864359A1 Catalytic process and composition for the dehydrogenation of alkanes to alkenes
09/16/1998EP0863861A1 Selective opening of five and six membered rings
09/16/1998EP0863844A1 Zeolite ssz-44
09/16/1998EP0863800A1 Process for preparing a catalyst suitable for use in isomerising hydrocarbons, the catalyst thus obtained, and its use
09/16/1998CN1192944A Process for preparing oxidate zeolite and application as catalyst thereof
09/16/1998CN1039807C Process for reducing the degree of branching of branched olefins
09/15/1998US5808256 Method of controlling a photoreaction with a laser beam