Patents
Patents for C07C 2 - Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms (17,014)
04/2005
04/27/2005EP1307413B1 Method for producing olefin-substituted aromatic or heteroaromatic compounds
04/27/2005CN1198779C Control of formation of diaryl alkane by-product in alkylation of olefines and aromatic compound by zeolite beta catalyst
04/26/2005US6884914 Olefin oligomerization
04/21/2005WO2005035690A2 Process for the conversion of natural gas to reactive gaseous products comprising ethylene
04/21/2005WO2005035689A2 Process for the conversion of natural gas to hydrocarbon liquids
04/21/2005US20050085679 Method of removing entrained sulfuric acid from alkylate
04/21/2005US20050084441 Carbon nanochips as catalyst supports for metals and metal oxides
04/20/2005EP1523535A1 Manufacture of xylenes from reformate
04/20/2005EP1218321A4 Oligomerization of olefins
04/19/2005US6881323 Hydrocarbon conversion using zeolite SSZ-54
04/14/2005WO2005033071A2 Toluene methylation process
04/14/2005WO2005033051A1 Synthesis of phenyl-substituted fluoranthenes by a diesel-alder reaction and the use thereof
04/14/2005WO2005032713A1 A process for preparing a catalyst with a non-acidic binder and a process for using the catalyst to produce aromatics
04/14/2005US20050080305 Diisobutylene process
04/13/2005CN1606540A Synthesis and use of dimethyl 1, 5-naphthalenedicarboxylates and intermediates therefrom
04/13/2005CN1606539A Trimerisation and oligomerisation of olefins using a chromium based catalyst
04/13/2005CN1606538A Trimerisation and oligomerisation of olefins using a chromium based catalyst
04/13/2005CN1196660C Process for preparing cumene which is used in the preparation of phenol
04/12/2005US6878660 Catalyst fixed on a carrier and used for the metathesis of olefins
04/12/2005US6878654 Contacting spent catalyst with an oxygen-containing gas at a temperature of 120-600 degrees C and then contacting the catalyst with an aqueous medium
04/12/2005US6878350 Method for reducing organic fluoride levels in hydrocarbons
04/07/2005WO2005030392A1 Ionic liquids as supports
04/07/2005US20050075524 Catalyzing the methylation of benzene, toluene which is formed by the cracking of hydrocarbons; in presence of silica on ZSM-5 molecular sieve to produce high amount of para-xylene; catalyst selectivity
04/07/2005US20050075523 Transalkylation of polyalkylbenzene isomers with monoalkylbenzene compound over molecular sieve catalyst
04/07/2005US20050075522 Para-diisopropylbenzene from alkylation of cumene with propylene, distilling the product, separating the meta-diisopropylbenzene by product and catalyticallly isomerizing to the para isomer; recovering the para-diisopropylbenzene that was separated from the meta-diisopropylbenzene; benzene free process
04/07/2005US20050075478 Dehalogenation of a halogenated hydrocarbon with a magnesium-diene complex such as (2-butene-1,4-diyl)magnesium; odor from by-product is repressed over previous method which gave cyclooctadiene with a pungent odor as byproduct; e.g. biphenyl from bromobenzene; oligomerization or polymerization
04/07/2005US20050075239 reacting acetone, benzene and hydrogen, in a one step reaction in the presence of alkylation catalyst to form cumene
04/07/2005US20050075237 heating a deactivated rare earth-promoted zeolite beta catalyst in an oxygen-free environment, oxidative decoking
04/06/2005EP1520903A1 Use of polyalfaolefins (pao) derived from 1-dodecene or 1-tetradecene to imrove thermal stability of engine oils in internal combustion engines
04/06/2005EP1520846A1 Method for producing polymerized hydrocarbon
04/06/2005EP1519905A1 Methods for oligomerizing alkenes in a number of successive, heterogeneous catalyst zones
04/06/2005CN1195716C High-selectivity two-segment process for preparing tetramer of propylene
04/06/2005CN1195713C Isomeric paraffin and olefine alkylating method
04/06/2005CN1195712C Improved process for prodn. of linear alpha-olefins
04/05/2005US6875900 Upflow oligomerization reaction process
04/05/2005US6875899 Production of higher olefins
04/05/2005US6875339 Aromatization, isomerization; Fischer-Tropsch synthesis
03/2005
03/31/2005WO2005028446A1 Ionic liquid and method of reaction using the same
03/31/2005WO2004108282A3 Selective para-xylene production via methylation of toluene with methanol in the presence of modified hzsm-5 catalyst
03/31/2005US20050070749 Forming xylene using zeolite zssm-5 as alkylation catalyst ; using mixture of toluene, methanol and hydrogen in aqueous solution
03/31/2005US20050070748 Process for production of styrene
03/31/2005US20050070425 Catalytic composition and process for the selective oligomerization of ethylene to light linear alpha-olefins
03/31/2005US20050067955 Prepared, for example, by reaction of tetraphenylcyclopentadienone with 1,4-diethynyl-2,5-dimethoxybenzene; can be used as a core material for an organic electroluminescence element or other optical devices
03/30/2005EP1294482B1 Ligands and catalyst systems thereof for ethylene oligomerisation to linear alpha olefins
03/30/2005CN1600760A Solidified ethylene benzo compounds, mfg for same and substrate for high frequency
03/30/2005CN1194947C Catalytic reacton of transforming methane directly to produce benzene, hydrogen gas and carbon monoxide
03/30/2005CN1194944C Catalyst for liquid phase alkylation of ethylene to prepare ethylbenzene
03/29/2005US6872864 Method of controlling monoalkyl aromatic process
03/29/2005US6872863 Methylene bridged metallocenes as olefin-polymerization catalyst components
03/29/2005US6872692 Random co-oligomers of an alpha olefin or mixtures thereof and an olefinic substituted aromatic compound prepared in the presence of a Friedel-Crafts catalyst; improved solvency, dispersancy and oxidative stability
03/24/2005WO2005026085A2 Process for production of ethylbenzene from dilute ethylene streams
03/24/2005WO2005026084A1 Method for catalytic deoxygenation of process fluids of olefin dimerization processes
03/24/2005WO2004081147A3 Octane improvement of a hydrocarbon stream
03/24/2005WO2004072541A3 Method to transport energy
03/24/2005WO2004045762A8 Multi-component molecular sieve catalyst compositions, their preparation and their use in alkylation reactions
03/24/2005US20050065392 Process for the conversion of natural gas to reactive gaseous products comprising ethylene
03/24/2005US20050065391 Process for the conversion of natural gas to hydrocarbon liquids
03/24/2005US20050065388 Method for formulation of synthetic gas oils or additives for gas oil
03/24/2005US20050065387 Method for the production of 1-octene by reductive telomerisation
03/24/2005US20050065223 High temperature hydrocarbon cracking
03/23/2005EP1515928A1 Process for the preparation of dimethylcumenes
03/23/2005EP1183280B1 Catalyst and process for preparing oligomers of alpha-methyl styrene
03/23/2005CN1597109A Manganese series methane oxidation coupling catalyst using multicomponent promoter and its preparation method
03/22/2005US6869917 5 cSt poly-alpha-olefin comprising an oligomer of 40-80 % 1-decene and 60-20 % 1-dodecene and a 4 cSt poly-alpha-olefin; prepared by oligomerizing the monomers in the presence of BF3, alcohol and alkyl acetate
03/22/2005US6869279 Reactor for high-temperature reactions and use
03/17/2005WO2005023419A1 Catalyst recovery process
03/17/2005US20050059848 Isoparaffin-olefin alkylation
03/17/2005US20050059786 Process for the co-oligomerisation of ethylene and alpha olefins
03/16/2005EP1514860A1 Catalytic composition for the oligomerization of ethylene comprising monocyclopentadienyl compounds of titanium
03/16/2005EP1514844A1 Microporous crystalline zeolite material (zeolite itq-22), synthesis method thereof and use of same as a catalyst
03/16/2005EP1513791A2 Process and apparatus for catalytic distillations
03/16/2005EP1513789A1 Eb/sm splitter heat recovery
03/16/2005EP1330423B1 Process for producing a fuel component
03/16/2005CN1596261A Bidentate ligands for the carbonylation of unsaturated compounds
03/16/2005CN1596150A Catalyst containing microporous molecular sieve in mesoporous support and method for making same
03/16/2005CN1193015C Non-symmetrical ligands and catalyst systems thereof for ehtylene oligomerisation to linear alpha olefins
03/16/2005CN1192992C Method for producing alcohol surfactants and alcohol ether surfactants, products obtained and their use
03/15/2005CA2135269C Solid superacid alkylation catalyst compositions and alkylation method using the same
03/10/2005WO2005021469A1 Process for production of cumene
03/10/2005WO2002100808A3 Continuous process for the alkylation of hydrocarbons
03/10/2005US20050054889 Refluxing a zeolite(ZSM-5 or other aluminosilicate zeolites) with NH4HF2 and slurry of a metal fluoride selected from Fe, Co, Ti and Ga to include iron or other metal and replacing a part of aluminum present
03/10/2005US20050054888 Hydrocracking catalysts; liquefaction; fractionation; alkylation
03/10/2005US20050054856 An addition polymerization catalyst of a cationic transition metal complex of a neutral bidentate ligand including a pyrole ring and an anion or nickelbis(1,5-cyclooctadiene), tri(pentafluorophenyl)borane and the neutral bidentate ligand; heat resistance; stability; steric hinderance for process control
03/09/2005EP1511703A1 Process for converting methane into ethane
03/09/2005EP1508608A4 Method for producing aromatic hydrocarbons
03/09/2005CN1592725A Bidentate ligands of diolefin telomerization
03/09/2005CN1590352A Method aromatization catalyst and its preparation method and application
03/09/2005CN1589967A Catalyst for production of ethyl benzene using ethylene and benzene and its preparation method and application
03/08/2005US6864399 Silica-supported alkylation catalyst
03/08/2005US6864209 Organometallic complexes comprising phosphonite ligands, and their use in catalyzing olefin oligomerization
03/08/2005US6864203 Zeolite-bound zeolite catalyst comprising crystals of large pore size of zeolite MAZ, EMT, MEI, or MOR, and as binder crystals of a second zeolite; alkylation, transalkylation, or isomerization of aromatic hydrocarbons
03/08/2005US6864200 Selectivated metallosilicate catalyst composite for alkylaromatic conversion, process for the preparation thereof, and use thereof in hydrocarbon conversion
03/08/2005US6863121 Flow distributor for an alkylation reactor or heat exchanger
03/03/2005WO2005019393A2 Fuel for jet, gas turbine, rocket, and diesel engines
03/03/2005WO2005019392A2 Fuel for jet, gas turbine, rocket, and diesel engines
03/03/2005WO2005019388A1 Method of starting up a reaction system
03/03/2005US20050049448 Oligomerization of alkenes (n-butenes) in a distillation column reactor with a bed of ZSM-57 zeolite catalyst at a pressure of 300-400 psig and a temperature of 240-320 degrees F; reactants should be free of compounds that poison the catalyst such as dimethyl ether, butadiene and organosulfur compounds
03/03/2005US20050049447 Nickel-containing ethylene oligomerization catalyst and use thereof
03/03/2005US20050045467 Method for the conversion of methane into hydrogen and higher hydrocarbons using UV laser
03/03/2005DE10335781A1 Deactivation of dissolved nickel compounds in mixtures containing aluminum-alkyl compounds, useful in alpha-olefin production from ethylene or internal olefins by transalkylation, involves adding carbon monoxide
1 ... 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 ... 171