Patents
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Patents for C07C 2 - Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms (17,014)
11/2005
11/03/2005WO2005102967A1 PROCESS FOR PRODUCING π-CONJUGATED COMPOUND
11/03/2005US20050245782 a fixed bed alkylation reactor can be operated in a mass-transfer controlled regime for the desired alkylation reaction with the olefin as the limiting reactant, such that the concentration of olefin on the surface will be minimal, probability of olefin-olefin reaction (polymerization) is greatly reduced
11/03/2005US20050245779 Styrene monomer (SM) production; use of a compressor to facilitate azeotropic vaporization of an ethylbenzene (EB) and water mixture within a preferred range of pressure/temperature conditions so as to minimize undesired polymerization reactions; heat recovery improves economic and process efficiency
11/03/2005US20050245778 Hydrotreating of fischer-tropsch derived feeds prior to oligomerization using an ionic liquid catalyst
11/03/2005US20050245702 nickel, palladium, iron or cobalt complexes with neutral ligands that contain one or both of the imino (C=N) or phosphinidine (C=P) or (P-C=N) groups; polymerization of ethylene for example
11/03/2005DE102004018753A1 Production of 16C alkane mixtures useful as solvents (e.g. in cosmetics), extractants or hydraulic fluids involves nickel-catalyzed oligomerization of low isobutene-content 4C stream, followed by hydrogenation
11/03/2005DE102004018752A1 Production of 12C alkane mixtures with high boiling and flash points involves nickel-catalyzed oligomerization of low isobutene-content 4C stream, followed by hydrogenation
10/2005
10/27/2005WO2005100286A2 Synthesis for polycyclic aromatic hydrocarbon compounds
10/27/2005WO2005065393A3 Process for alkane aromatization using platinum-zeolite catalyst
10/27/2005US20050240070 Phosphorus-containing ZSM-5-type zeolite having a silica/alumina molar ratio of at least 200 and a phosphorus content of at least 8% by weight of zeolite and having multiple phosphorus species exhibited by at least three 31P MAS NMR peaks with maxima at from 0 to -50 ppm; used in alkylation of aromatics
10/27/2005US20050240069 Novel graphite nanocatalysts
10/27/2005US20050239635 Method of modifying zeolite catalyst
10/26/2005CN1688525A Critical phase alkylation process
10/26/2005CN1688524A Method of removing entrained sulfuric acid from alkylate
10/25/2005US6958305 For use in catalytic cracking, alkylation, disproportional of toluene, isomerization, and transalkylation reactions
10/25/2005CA2215324C Fast quench reactor and method
10/25/2005CA2168622C Alkylation with a fluidized solid catalyst
10/20/2005WO2005097679A1 Microporous amorphous material, preparation method thereof and use of same in the catalytic conversion of organic compounds
10/20/2005US20050234284 Process for the treatment of sodium-containing heavy residues and fuel so obtained
10/20/2005US20050234277 Process for converting gaseous alkanes to liquid hydrocarbons
10/20/2005US20050234276 Process for converting gaseous alkanes to liquid hydrocarbons
10/20/2005US20050233064 Method of manufacturing microstructure and manufacturing system for the same
10/19/2005EP1586568A1 Process for the treatment of sodium-containing heavy residues and fuel so obtained
10/19/2005EP1585712A1 METHOD FOR PRODUCING BUTENE OLIGOMERS AND TERT-BUTYL ETHERS FROM C sb 4 /sb FLOWS CONTAINING ISOBUTENE
10/19/2005CN1684930A Process for making a linear alpha-olefin oligomer using a heat exchanger
10/19/2005CN1684768A Catalyst systems for ethylene oligomerisation to linear alpha olefins
10/19/2005CN1223556C 烯烃低聚方法 Olefin oligomerization process
10/13/2005WO2005095547A1 Propylene hydroformylation
10/13/2005WO2005095315A2 Process for hydroformylation of propylene
10/13/2005WO2004031329A8 Functional fluid lubricant using low noack volatility base stock fluids
10/13/2005US20050228205 Dimerizing isobutene with an oxygen compound using a cation exchange resin of styrene polymer cross-linked with divinyl benzene and sulphonic acid; decreasing oligomerization and polymerization of olefins
10/13/2005US20050228204 Process for the preparation of xylene
10/13/2005US20050228203 Process for the preparation of xylene
10/13/2005US20050227863 Process for aryl-aryl carbon to carbon bond formation by arylation of aryl halide or an aromatic compound
10/12/2005EP1584374A2 Mordenite zeolite alkylation catalysts
10/12/2005EP1584373A2 Zeolite y alkylation catalysts
10/12/2005EP1583717A2 Molecular sieve ssz-63
10/12/2005CN1681751A Method for extending catalyst life in processes for preparing vinyl aromatic hydrocarbons
10/12/2005CN1681750A Process of producing alpha-olefins
10/12/2005CN1681594A Mesoporous material and use thereof for the selective oxidation of organic compounds
10/12/2005CN1680229A Preparation of 1, 3-diacetylene benzene
10/12/2005CN1680187A Method of manufacturing microstructure and manufacturing system for the same
10/06/2005WO2005093012A1 Process and apparatus for the conversion of methane gas to higher hydrocarbons
10/06/2005WO2005093010A2 Converting propylene in an oxygenate-contaminated propylene stream to non-polymerization derivative products
10/06/2005WO2005092821A1 Process for oligomerization of ethylene to linear alpha-olefins
10/06/2005WO2005092503A1 Aluminum phosphate-supported group 6 metal amide catalysts for oligomerization of ethylene
10/06/2005WO2005091697A2 Thiourea compositions and uses thereof
10/06/2005US20050222477 Method for extending catalyst life in processes for preparing vinyl aromatic hydrocarbons
10/06/2005US20050222475 Process for multistage conversion of a charge comprising olefins with four, five or more carbon atoms, with the aim of producing propylene
10/06/2005US20050222417 Synthesis for polycyclic aromatic hydrocarbon compounds
10/06/2005CA2557316A1 Process and apparatus for the conversion of methane gas to higher hydrocarbons
10/05/2005EP1581466A2 Aromatic alkylation process with direct recycle
10/05/2005EP1581343A1 Tandem tetramerisation-polymerisation of olefins
10/05/2005EP1581342A1 Tetramerization of olefins
10/05/2005EP1581341A1 Trimerisation of olefins
10/05/2005EP1444241B1 Bidendate ligands for the carbonylation of unsaturated compounds
10/05/2005CN1678553A Phosphorous removal and diene removal, when using diene sensitive catalyst, during conversion of olefins to branched primary alcohols
10/05/2005CN1676498A Dimethyl diphenyl methane catalytic synthesizing process
10/05/2005CN1676207A Continuous reactor suitable for ion liquid catalyst and its use
10/05/2005CN1221501C Method for producing adamantane
10/05/2005CN1221497C Process for selective dimerisation of isobutene
10/05/2005CN1221496C Catalyst for fatty monoolefin hydrogenation saturation, and its preparing method and use
10/04/2005US6951831 A solution comprising a nickel complex, an acid and a quaternary ammonium compounds, having catalyst selectivity for forming polyethylene, polypropylene, polybutylene, polypentene, or dimers, oligomers
09/2005
09/29/2005WO2005091423A1 Nonaqueous electrolyte solution for lithium secondary battery
09/29/2005WO2005090272A1 Cyclone reactor and associated methods
09/29/2005WO2005089940A2 Tungsten based catalyst system
09/29/2005US20050215783 Thiourea compositions and uses thereof
09/29/2005CA2559548A1 Tungsten based catalyst system
09/29/2005CA2559527A1 Cyclone reactor and associated methods
09/28/2005EP1578706A2 Manufacture of trialkylaluminum compounds and alpha-alcohols
09/28/2005EP1578531A1 Tetramerization of olefins
09/28/2005CN1674988A Catalyst for aromatization of alkanes, process of making and using thereof
09/28/2005CN1220658C Alkene oligomerization process
09/27/2005US6949687 Process for the production of mesitylene and durene
09/22/2005WO2005087368A1 Catalyst and method for producing methylnaphthalene
09/22/2005US20050209494 Using a zeolite catalyst such as ZSM-5 treated with a solution of alumina dissolved in an inorganic phosphorus acid; improved para-xylene selectively from toluene and methanol
09/22/2005US20050209493 Aromatics alkylation
09/22/2005US20050209492 Contacting a phosphorus-treated ZSM-5- type zeolite catalyst with a toluene/methanol feed; introducing water cofeed provides a selectivity for methanol with no structural aluminum loss of the catalyst
09/22/2005US20050209469 Converting propylene in an oxygenate-contaminated propylene stream to non-polymerization derivative products
09/21/2005EP1575882A2 Copper catalyzed arylation
09/21/2005CN1671635A Olefin oligomerization
09/21/2005CN1671622A Microporous crystalline zeolite material (zeolite ITQ-22), synthesis method thereof and use of same as a catalyst
09/20/2005US6946532 Catalysts containing per-ortho aryl substituted aryl or heteroaryl substituted nitrogen donors
09/15/2005WO2005085157A1 Catalyst for aromatization of alkanes, process of making and using thereof
09/15/2005WO2005084798A1 Selective zeolite catalyst modification
09/15/2005US20050203325 Hydroformylation of butane and butene to relatively unbranched octenes and dodecenes using a solid catalyst of sulfur and nickel
09/15/2005US20050203323 Controlled macroporous structure; stable catalyst containing silica and alumina
09/15/2005US20050203322 Zeolite y alkylation catalysts
09/15/2005US20050203319 Catalyzing the oligomerization or addition polymerization, terminate with a vinyl group; the oligomer can be the comonomer for preparing of linear low density polyethylene
09/15/2005US20050202956 Porous inorganic macrostructure materials and process for their preparation
09/15/2005US20050202954 The catalyst compositions comprise zeolite Y and mordenite zeolite having a controlled macropore structure, they exhibit reduced deactivation rates during the alkylation process, thereby increasing the life of the catalysts
09/15/2005US20050201920 Mesoporous structure of silica support of specific porosity containing active metal as catalyst for a process selected from oxidation, alkylation, isomerization, cracking, hydrogenation, oligomeriztion, selective oxidation, hydrotreating, isomerization, demetalation and desulfurization of petroleum oils
09/14/2005EP1574492A2 Process for producing 1-hexene and catalyst precursor
09/14/2005EP1574251A2 Alkylated aromatic compositions, zeolite catalyst compositions and processes for making the same
09/14/2005EP1017729B1 Process for the preparation of substantially amorphous alpha-olefin polymers, compositions containing them and process for the preparation of bridged ligand
09/14/2005EP0935591B1 Selective para-xylene production by toluene methylation
09/14/2005CN1668649A Process for producing butene oligomer
09/14/2005CN1218913C Fluid-bed aromatics alkylation
09/13/2005US6943276 separation and heat exchange of the alkylation effluent; recycling light components such as hydrogen chloride and cutting HCl losses, without excessive compression costs
09/13/2005US6943131 dissolving alumina in phosphoric and phosphorus acid, then slurrying with zeolite ZSM-5, heating and drying to from pore size alkylation catalysts
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