Patents for C07C 7 - Purification, separation orstabilisation of hydrocarbons; Use of additives (13,802) |
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04/29/2009 | CN101417917A Method for preparing high-purity all-trans lycopene crystal |
04/29/2009 | CN101417916A Glutinous rice scented tea squalene and preparation method thereof |
04/29/2009 | CN101417913A Method for separating butane and butene by using multiple mixed solvent |
04/29/2009 | CN101417239A Catalyst of oxidation sweetening of c_4 olefin and use thereof |
04/28/2009 | US7525000 Acetylene removal methods and apparatus |
04/28/2009 | CA2379348C Process for the separation of isobutene from normal butenes |
04/23/2009 | WO2009050194A1 Method for isomerizing olefins |
04/23/2009 | WO2007089288A3 Multi-stage sulfur removal system and process for an auxiliary fuel system |
04/23/2009 | US20090105515 Simulated moving bed adsorptive separation process for handling multiple feedstocks |
04/23/2009 | US20090105514 incorporates improved lean solvent regeneration system that significantly reduces the amount of heavy hydrocarbons and/or polymers that are otherwise strapped in the closed solvent loop |
04/22/2009 | CN101415661A Method for producing propene from propane |
04/22/2009 | CN101412652A Novel technique for preparing refined naphthalene from industrial naphthalin |
04/21/2009 | US7521393 catalyst for selective hydrogenation of acetylenes and diolefins, particularly in a raw gas feed stream for front end selective hydrogenation. The catalyst contains a low surface area carrier with a surface area from about 2-20 m2/g, wherein the pore volume of the pores of the carrier |
04/21/2009 | CA2211421C Method for separating para-xylene by preprocessing using selective hydrogenation and activated earth |
04/16/2009 | WO2009046977A1 Integrated process for the production of vinyl aromatic hydrocarbons |
04/15/2009 | EP2046497A2 Olefin upgrading process with guard bed regeneration |
04/15/2009 | CN101410355A Method of inhibiting polymerization of aromatic vinyl compound |
04/15/2009 | CN100478318C Method and device for treating C4 fraction |
04/15/2009 | CN100478317C Technology of low temperature separation and concentration coal layer gas to produce methane |
04/14/2009 | CA2197200C Bf3 promoter process |
04/09/2009 | WO2009045186A1 Separating olefin streams |
04/09/2009 | WO2009043754A1 Method for obtaining aromatic hydrocarbons from a hydrocarbon mixture |
04/09/2009 | WO2009043753A1 Method for obtaining aromatic hydrocarbons from a hydrocarbon mixture |
04/09/2009 | WO2009024259A3 Extraction of benzol and benzol derivatives from gasoline fractions and refinery flows |
04/09/2009 | WO2006091354A3 Absorption and conversion of acetylenic compounds |
04/09/2009 | US20090093657 Process for preparing poly alpha olefins and lubricant basestocks from fischer-tropsch liquids |
04/09/2009 | US20090092686 Process for the recovery of a phytolipid composition |
04/09/2009 | DE102007047765A1 Liquifying a hydrocarbon-rich fraction, comprises e.g. removing unwanted components like acid gas, water and/or mercury from hydrocarbon-rich fraction and liquifying the pretreated hydrocarbon-rich fraction by using a mixture cycle |
04/09/2009 | CA2701268A1 Separating olefin streams |
04/09/2009 | CA2701039A1 Use of alkali metal-silica gel (m-sg) materials in solvent and monomer drying and purification for their use in anionic polymerization |
04/08/2009 | EP2043977A1 Method for separating a c4 fraction by means of extractive distillation using a selective solvent |
04/08/2009 | CN101405242A Method for preparing linear alphaolefins with removal of aromatic by-products and reactor system for the method |
04/08/2009 | CN101402599A Bi(2,2,6,6-tetramethyl piperidine nitrogen oxygen free radical) ether ester and method of preparing the same |
04/08/2009 | CN101402544A Industrial production method of high-purity beta-elemi alkene bulk medicament |
04/08/2009 | CN101402543A Beta-elemi alkene bulk medicament and method of preparing its preparations |
04/08/2009 | CN100475933C Combined process for separating and recovering hydrogen, ethylene and ethane from refinery dry gas or separating ethylene cracking gas |
04/08/2009 | CN100475785C Improvement method and product for preparing surfactant by adsorption stripping |
04/07/2009 | CA2391172C Hydrocarbonaceous composition containing odor suppressant |
04/02/2009 | WO2009040875A1 Process for producing gas hydrate pellet and apparatus therefor |
04/01/2009 | EP2041508A1 Method for selective extraction of natural gas liquids from rich natural gas |
04/01/2009 | EP2041048A1 Improved membrane separation process using mixed vapor-liquid feed |
04/01/2009 | EP1794105B1 Method and device for carrying out trace analysis of nitric oxide in olefin-rich gases |
04/01/2009 | EP1546094B1 Peroxide impurities removal |
04/01/2009 | CN201214027Y Crystallization box for refining naphthaline |
04/01/2009 | CN101400631A Hydrogenation process using catalyst comprising ordered intermetallic compound |
04/01/2009 | CN101400629A Lowering nitrogen-containing lewis bases in molecular sieve oligomerisation |
04/01/2009 | CN101397261A Regeneration method of dimethylformamide as extracting solvent for cracking carbon 5 and use thereof |
04/01/2009 | CN101397233A Method for removing thiophen from coking benzene |
04/01/2009 | CN101397232A Method for separating cracked carbon 5 fraction by using one section extraction of reaction rectification |
04/01/2009 | CN100473632C Removal of alcohols and water from a methylcyclopentadiene recycle stream in a process for the synthesis of methylcyclopentadienyl manganese tricarbonyl |
04/01/2009 | CN100473631C Purification method of biphenyl |
03/31/2009 | US7511263 Object separation device using optical method |
03/26/2009 | WO2009038740A2 Synthesis of high activity zsm-48 |
03/26/2009 | CA2699155A1 Synthesis of high activity zsm-48 |
03/25/2009 | EP2039738A1 Reduced undesired polymerization in hydrocarbon cracking processes |
03/25/2009 | EP2038045A1 Method for purifying biogas from a biogas installation, and gas purification system |
03/25/2009 | EP2000451A9 Method of inhibiting polymerization of aromatic vinyl compound |
03/25/2009 | CN101391224A Catalyst for removing nitrogen oxide and use thereof |
03/19/2009 | US20090076317 Synthesis of high activity ZSM-48 |
03/19/2009 | US20090076286 Process for operating a continuous removal of a target product x in the form of fine crystals |
03/19/2009 | US20090076284 Process for continuously removing a target product x in the form of fine crystals |
03/19/2009 | US20090076232 Process for operating a continuous removal of a target product x in the form of fine crystals of the target product x |
03/18/2009 | CN101389913A Use of cryogenic temperatures in processing gases containing light components with physical solvents |
03/18/2009 | CN101389735A Diesel oil desulfurization by oxidation and extraction |
03/18/2009 | CN100469888C Process for purification, pressurized storage, and transportation of marsh gas |
03/12/2009 | WO2009031216A1 Method of separating cyclohexene and production process |
03/12/2009 | WO2008067556A3 Reduction of sulfate ions in alcohols |
03/12/2009 | US20090069619 Membrane Separation Processes and Systems for Enhanced Permeant Recovery |
03/12/2009 | US20090069618 Processes for the Isomerization of Feedstocks Comprising Paraffins of 5 to 7 Carbon Atoms |
03/11/2009 | CN101381274A Method for removing dissolvent residual from lycopene oleoresin |
03/11/2009 | CN101381270A Separation method of MTO/MTP reaction mixture |
03/11/2009 | CN101381269A Methane recovery method in coal mine ventilation air methane |
03/10/2009 | US7501549 Benzene removal from FCC naphtha |
03/05/2009 | WO2006052937A3 Separation of carbon dioxide from other gases |
03/05/2009 | US20090062591 Reformation of hydrogen-containing fluids in a cyclic flow reactor |
03/05/2009 | US20090062590 Process for separating a heavy oil feedstream into improved products |
03/05/2009 | US20090062589 Separating the olefinic C4 stream into an isobutene-rich stream that isdimerization to an octene used as an olefinic motor gasoline alkylate fuel;combining the distillation operation of the dimerization process and that of the metathesis pretreatment in a single distillation column; energy efficiency |
03/05/2009 | US20090057224 Dehydration processes using membranes with hydrophobic coating |
03/04/2009 | CN100465142C An improved method for producing and purifying vi-ny l aromatic monomers |
03/04/2009 | CN100464811C A method and equipment for separating oligomerization reactor effluents |
02/26/2009 | WO2009024259A2 Extraction of benzol and benzol derivatives from gasoline fractions and refinery flows |
02/25/2009 | EP2028171A1 Method and device for the manufacture of fluid and/or gaseous methane |
02/25/2009 | EP1794107B8 Sulfonated nitrophenols as polymerization inhibitors |
02/25/2009 | EP0946471B2 Method for separating paraxylene comprising adsorption with water injection and crystallisation |
02/25/2009 | CN101374588A Process for purifying gaseous mixtures containing mercaptans and other acidic gases |
02/25/2009 | CN101371985A Catalyst for removing trace amounts of CO as well as preparation method and use thereof |
02/25/2009 | CN101371984A CO removing catalyst as well as preparation method and use thereof |
02/25/2009 | CN101371966A Pressure-swing adsorption novel art for recovering ethylene and hydrogen from dry gas of oil-extraction plant |
02/24/2009 | US7495141 Minimizing corrosion in a methanol-to-olefin effluent processing system |
02/24/2009 | US7494584 exothermic reaction-distillation system in which the reactor is external to the distillation column and the feed to the reactor is a mixture of at least one liquid product stream from the distillation column with or without other liquid/vapor reactants. |
02/19/2009 | US20090048473 ITQ-34, new crystalline microporous material |
02/19/2009 | DE102007039074A1 Gewinnung von Benzol und Benzolabkömmlingen aus Benzinfraktionen und Raffinerieströmen Recovery of benzene and benzene derivatives from gasoline fractions and refinery streams |
02/18/2009 | EP2024309A2 High flux and selectivity sapo-34 membranes for co2/ch4 separations |
02/18/2009 | EP2024059A1 Removal of acid gases from a fluid flow by means of reduced coabsorption of hydrocarbons and oxygen |
02/18/2009 | CN101367704A System and operation method for recycling benezene and pure methylbenzene from crude benzole hydrogenation liquid |
02/18/2009 | CN101367703A Process for hydrogen refining coking benzene to removing foreign matter |
02/18/2009 | CN101367697A Separation method for light hydrocarbon products in MTO/MTP reaction products |
02/18/2009 | CN101367696A Method for recycling methanol form methyl tert-butyl aether tail gas |
02/17/2009 | US7491412 Process for the recovery of a phytolipid composition |
02/12/2009 | WO2009019337A1 Improved simulated moving-bed device and method for metaxylene separation |