Patents
Patents for C07C 7 - Purification, separation orstabilisation of hydrocarbons; Use of additives (13,802)
12/2008
12/16/2008US7465846 Liquid-liquid extraction by contacting a hydrocarbon stream (particularly the condensation product of a Fischer-Tropsch reaction) with methanol and water as extraction solvents; the methanol and water are added separately
12/16/2008CA2487172C Eb/sm splitter heat recovery
12/11/2008WO2008149206A1 Process for treating hydrocarbon liquid compositions
12/10/2008EP2000451A2 Method of inhibiting polymerization of aromatic vinyl compound
12/10/2008EP1861344B1 Method for combined production of paraxylene and benzene with improved productivity
12/10/2008CN101318874A Process for joint production of aromatic solvent, stone oil naphthalin and durene line products with C10 heavy aromatic raw material
12/10/2008CN100441553C Method for obtaining raw-1,3-butadiene
12/10/2008CN100441552C Process for advanced controlling rectifying apparatus of butadiene
12/09/2008US7462751 Catalyst exhibits increased olefin selectivity and reduced selectivity to saturates and oligomers, such as green oil, while retaining high hydrogenation activity
12/09/2008US7462277 Extractive distillation using a selective solvent in a column having two separate regions and a lower combined region; taking a top stream of butanes off the 1st region, taking a top stream of butenes off the 2nd region, and taking more soluble C4 hydrocarbon fraction off the combined region
12/04/2008WO2008148081A1 A process for removing sulfur from separate less reactive and more reactive fuel gas streams containing organic sulfur and light olefins
12/04/2008WO2008148079A1 A process for removing sulfur from a fuel gas stream
12/04/2008WO2008148077A1 A process for removing sulfur from a fuel gas stream additionally containing carbon dioxide and light olefins
12/04/2008WO2008147836A1 Production of polypropylene from renewable resources
12/04/2008WO2008145387A2 Catalyst for the selective hydrogenation of acetylenic hydrocarbons and method for producing said catalyst
12/04/2008WO2008080500A8 Method for the elimination of carbonyl compounds from gaseous hydrocarbons
12/04/2008US20080300441 Hydrocarbon sequestering product, a method to obtain the product, a method to sequester hydrocarbons and a hydrocarbon sequestration facility
12/04/2008US20080300437 Contacting alkyne and absorber with hydrogenstream in presence of Group 8 catalyst on support; recovering alkene; catalyst selectivity
12/04/2008CA2687588A1 A process for removing sulfur from separate less reactive and more reactive fuel gas streams containing organic sulfur and light olefins
12/04/2008CA2687585A1 A process for removing sulfur from a fuel gas stream
12/04/2008CA2687580A1 A process for removing sulfur from a fuel gas stream additionally containing carbon dioxide and light olefins
12/03/2008CN101314556A Process for recovering residual naphthalin in naphthalin series water reducing agent synthesis
12/03/2008CN101314555A Method for extracting lycopene from photosynthetic bacteria cell
12/03/2008CN100439302C Production of olefin dimers and oligomers
12/03/2008CN100438970C Desulfurization and novel process for same
12/02/2008CA2272973C Method for inhibiting polymer formation in styrene processing
11/2008
11/27/2008WO2008143967A1 Removal of a target gas from a mixture of gases by swing adsorption with use of a turboexpander
11/27/2008WO2008143803A1 Fulvene purification
11/27/2008US20080293860 Branched Olefin Compositions
11/26/2008EP1993980A1 Lowering nitrogen-containing lewis bases in molecular sieve oligomerisation
11/26/2008EP1868719B1 Method of preparing multimetallic catalysts that can be used in hydrocarbon conversion reactions
11/26/2008EP1794107B1 Sulfonated nitrophenols as polymerization inhibitors
11/26/2008EP1337604B1 Reducing undesired polymerization in hydrocarbon cracking processes
11/26/2008CN101313052A Process for reducing bromine index of hydrocarbon feedstocks
11/26/2008CN101311150A Process for producing high-purity naphthalin
11/26/2008CN101311148A Process for double-aqueous-phase extracting and refining persimmon lycopene
11/25/2008CA2423699C Hydrocarbon gas processing
11/20/2008WO2008138785A1 Selective hydrogenation catalyst
11/20/2008WO2008122705A3 Simulated moving bed separation method and device having a reduced line volume and a reduced number of large-diameter valves
11/20/2008WO2008016636A3 Olefin upgrading process with guard bed regeneration
11/20/2008US20080287725 Separating a fulvene from at least one cyclopentadiene regioisomer by mixing with 4-(N,N-dimethylamino)benzaldehyde and pyrrolidine to selectively react with the impurity, adding an acid, solvent extraction and isolating the fulvene by chromatography; purification for preparation of ansa-metallocenes
11/20/2008US20080287707 Adsorption Of Volatile Organic Compounds Derived From Organic Matter
11/20/2008US20080283383 ionic liquid 1-n-butyl-3-methylimidazolium hexafluorophosphate [bmim][PF6] is used as an entrainer in the extractive distillation in order to permit the separation of the azeotropic mixture of cyclohexane and benzene in a distillation column, p-dichlorobenzene (p-DCB) is used as an auxiliary
11/20/2008US20080282731 Liquefied Natural Gas Processing
11/19/2008EP1421049B1 Process of removing contaminants from an olefin stream using extractive distillation
11/19/2008CN101310155A Carbon monoxide and hydrogen recycling from hydrocarbon fluids
11/19/2008CN101309999A Process for reducing bromine index of hydrocarbon feedstocks
11/19/2008CN101309886A Method for production of lower olefin
11/19/2008CN101306982A Method for intermittently extracting, rectifying and separating ethanol and xylol mixture
11/19/2008CN101306975A Continuous production process for naphthaline refine product of oil industry
11/19/2008CN101306973A Process for recovering ethylene in process of ethylene preparation by ethanol dehydration
11/19/2008CN101306182A Elemene vein emulsion injection and preparation method thereof
11/19/2008CN100434408C Improvements in or relating to isobutylene
11/19/2008CN100434168C Selective hydrogenation catalyst designed for raw gas feed streams
11/18/2008US7453017 supported catalyst, of palladium and one or two metals chosen form the group consisting of lanthanum, niobium, titanium, potassium and silicon
11/18/2008US7452840 Agglomerated zeolitic adsorbents, their process of preparation and their uses
11/18/2008US7452405 Multi stage sulfur removal system and process for an auxiliary fuel system
11/18/2008US7452390 carefully controlling temperature of gas stream exiting gas-oil separation plant prior to passing into a gas transmission pipeline, measuring actual temperature of temperature-controlled gas stream, adding predetermined amount of enhanced corrosion inhibitor to gas stream based on temperature
11/18/2008CA2478632C Olefin plant refrigeration system
11/13/2008US20080279759 removing contaminants from the feed gas stream to obtain the purified gas stream and a sour gas stream comprising H2S and RSH; separating into a gas stream enriched in H2S; converting H2S to elemental sulphur in a Claus unit
11/13/2008CA2684858A1 Process for selective aromatics disproportionation with increased conversion
11/12/2008EP1814833B1 Diisobutylene process
11/12/2008EP1682466B1 Process for the hydrogenation of olefins
11/12/2008CN101302187A Production process of high-quality carbazol and anthracene
11/12/2008CN101302135A Method for separating isoprene by front-end hydrogenation one-stage extraction
11/12/2008CN101302134A Method for separating cracked carbon-5 fraction by front-end alkyne removal one-stage extraction
11/12/2008CN101301627A Method for bionically catalyzing and oxidizing thiophen compounds
11/12/2008CN100432031C Process and apparatus for separating mixed solution of liquid petrolatum and xylene
11/11/2008US7449049 Method of purifying a natural gas by mercaptan adsorption
11/06/2008WO2008133414A1 Production of high purity butene-1 from c4 olefins/paraffins mixed gas
11/06/2008WO2008133384A1 Separation method of aromatic compounds comprising simulated moving bed xylene mixture pre - treatment process and additional xylene isomerization process
11/06/2008WO2008133383A1 Separation method of aromatic compounds comprising simulated moving bed xylene mixture pre - treatment process and additional xylene isomerization process
11/05/2008EP1988070A1 Catalyst composition and process for making the composition
11/05/2008CN201144238Y Highly effective methane desulfurizing device
11/05/2008CN101300213A Selective hydrogenation method for olefinic hydrocarbon
11/05/2008CN100430365C Process for the production of an alkenyl carboxylate or an alkyl carboxylate
11/05/2008CN100430355C Humidification of hydrocarbon mixtures for use in polymer synthesis
11/05/2008CN100430353C Method of separating butane-1 from C4 fraction
11/05/2008CN100430352C Method for separating carbon-containing olefin cracked product
11/05/2008CN100430351C Secondary hydration and deep cooling separation combined process for separating ethene cracking gas
10/2008
10/30/2008WO2008128776A2 Method for the purification of biogas, and biogas produced using said method
10/30/2008US20080269436 Molecular sieve catalyst composition, its making and use in conversion processes
10/29/2008CN101293936A Method for preparing monodisperse polystyrene microsphere with controllable grain diameter
10/29/2008CN101293808A Separation purification process for 2-methylnaphthalene
10/29/2008CN101293807A Process for producing high purity meta-xylene, comprising simulated moving bed adsorption and crystallization
10/28/2008US7442847 Removing diamondoid components from natural gas at reduced temperatures
10/28/2008US7442233 Integrated heavy hydrocarbon removal, amine treating and dehydration
10/28/2008CA2376814C Ethylene recovery system
10/23/2008WO2008125751A1 Method and device for separation into simulated mobile bed with reduced valve number and duct volume
10/23/2008WO2008125016A1 A PROCESS FOR PURIFYING HBr IN HYDROCARBONS
10/23/2008US20080262282 Method for Producing Paraxylene Comprising an Adsortion Step and Two Isomerization Steps
10/22/2008CN101291896A Butane removal in c4 upgrading processes
10/22/2008CN101291893A Method for oligomerisation of ethylene and reactor system therefore with cooling device
10/22/2008CN101291892A Method for oligomerization of ethylene and reactor system therefor with removal of heavy molecular weight oligomers
10/22/2008CN101289364A Method for preparing and abstracting lycopene
10/22/2008CN101289363A Process for preparing 1-amylene by separating C5 distillate of petroleum
10/22/2008CN101289362A Process for preparing 1-amylene by separating C5 distillate of petroleum
10/22/2008CN101289361A Process for preparing 2-amylene by separating C5 distillate of petroleum
10/22/2008CN101289360A Process for preparing 2-amylene by separating C5 distillate of petroleum
10/22/2008CN101289359A Ionic liquid mediated elimination of acetonitrile from the olefin feed used in the production of ethers
1 ... 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 ... 139