| Patents for C07C 7 - Purification, separation orstabilisation of hydrocarbons; Use of additives (13,802) |
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| 02/12/2009 | WO2009019336A1 Improved simulated moving-bed device and method for paraxylene separation |
| 02/11/2009 | EP2022771A1 Method for purifying alkyl aromatic compounds |
| 02/11/2009 | CN101365668A Recovery of residual plant components after distillation of essential oils |
| 02/11/2009 | CN101362672A Apparatus and method for continuously preparing trimethyl benzene and tetramethylbenzene in single tower by heavy aromatic hydrocarbon one step method |
| 02/11/2009 | CN101362671A Method for preparing polymer grade 1-butene by high sulfur content four carbon compounds catalysis from refinery |
| 02/11/2009 | CN101362667A Sulfur removal technology for benzene hydrogenation system |
| 02/11/2009 | CN100460444C Sodium crown ether Salen Schief base isobi-metal condensation complex, preparation and use thereof |
| 02/11/2009 | CN100460373C Method for extracting rectifying and separating benzene |
| 02/05/2009 | WO2009017425A1 Use of ionic liquids for extraction or fractionation of lipids |
| 02/05/2009 | WO2009015507A1 A separating method of cracked methanol gas to prepare polymer grade low carbon olefin |
| 02/05/2009 | US20090036727 reacting with ammonia, sodium hydroxide, or potassium hydroxide to remove carbon dioxide, hydrogen sulfide and mercaptans in a multi-stage scrubbing tower; prevent poisoning of the downstream catalyst; chemical sequestration; air pollution control; environmentally friendly |
| 02/05/2009 | US20090036726 Process and device for improved separation of metaxylene in a simulated moving bed |
| 02/05/2009 | US20090032389 Process for the mild distillative separation of mixtures |
| 02/05/2009 | DE102008040340A1 Verfahren zum reinigenden Abtrennen von Acrylsäure-, Methacrylsäure-, N-Vinylpyrrolidon- oder p-Xylol-Kristallen aus ihrer Suspension in Mutterlauge A method for purifying removal of acrylic acid, methacrylic acid, N-vinylpyrrolidone or p-xylene crystals from their suspension in mother liquor |
| 02/04/2009 | EP2019814A1 Production of propylene and ethylene from butane and ethane |
| 02/04/2009 | EP1689695B1 Method for producing paraxylene comprising an adsorption step and two isomerization steps |
| 02/04/2009 | CN101360729A Process for epoxidizing propene |
| 02/04/2009 | CN101357875A Recovery method of gas-phase propene |
| 02/04/2009 | CN101357291A Treatment technique of polypropylene tail-gas generated by continuous-method polypropylene device |
| 02/04/2009 | CN101357289A Flare gas recovering technique during producing polypropylene using interval liquid-phase substantial method |
| 02/04/2009 | CN100457858C Method of removal of carbonyl compounds along with acid gases from cracked gas in ethylene process |
| 02/03/2009 | US7485761 Method for producing 1-butene |
| 01/29/2009 | WO2009012623A1 A non-cryogenic separation method for lower hydrocarbon containing light gas |
| 01/28/2009 | CN101353288A Method for separation beta-methylnaphthalene from catalytic reforming heavy aromatic |
| 01/28/2009 | CN101353286A Non-copious cooling lower carbon number hydrocarbons separation method containing light gas |
| 01/28/2009 | CN101352621A Micro hydrocyclone separation and solid removal method and apparatus of MTO quench water and water of water-washing factory |
| 01/28/2009 | CN100455554C Preparation method of high viscosity index poly alpha olefine synthetic oil |
| 01/27/2009 | US7481908 System and a process for obtaining high purity phenanthrene from phenanthrene enriched coal tar fraction |
| 01/22/2009 | WO2009011577A1 Processes for separation of gases using ionic liquids |
| 01/22/2009 | WO2009010558A2 Method and apparatus for recovering and fractionating a mixed hydrocarbon feed stream |
| 01/21/2009 | EP2017247A1 Process for producing adamantane |
| 01/21/2009 | EP2017001A1 Method for treatment of crystal slurry |
| 01/21/2009 | EP2016991A1 Processes for separation of gases using ionic liquids |
| 01/21/2009 | EP1773739B1 Process for the selective hydrogenation of alkynes and/or dienes in an olefin-containing hydrocarbon stream |
| 01/21/2009 | CN101351257A Separation of fluids using zeolite ITQ-32 |
| 01/21/2009 | CN101348412A Energy-saving method for phenyl ethylene rectification |
| 01/21/2009 | CN101348410A Ethylene apparatus caustic wash tower butter inhibitor and use method thereof |
| 01/21/2009 | CN100453163C Para-xylene selective adsorbent compositions and methods. |
| 01/20/2009 | US7479227 Pervaporation using a membrane of a fluorinated polymer with a cyclic ether ring, such as a polyperfluorodioxole-tetrafluoroethylene copolymer, and is particularly useful for separating mixtures containing light organic components, such as propylene from propane and butane from isobutane |
| 01/20/2009 | CA2353978C Improved aromatic alkylation process |
| 01/20/2009 | CA2341183C Controlling deposition of foulants in aliphatic hydrocarbons dehydrogenation equipment |
| 01/20/2009 | CA2283585C Substituted tetrahydropyrimidine derivatives and their use as polymerization inhibitors for vinyl aromatic compounds |
| 01/20/2009 | CA2174061C 7-substituted quinone methides as inhibitors for unsaturated monomers |
| 01/15/2009 | WO2009008876A1 Process for xylene production |
| 01/15/2009 | WO2009007267A1 Process for the separation of unbranched hydrocarbons from their branched isomers |
| 01/15/2009 | WO2008128776A3 Method for the purification of biogas, and biogas produced using said method |
| 01/15/2009 | US20090018380 Process and device for improved separation of paraxylene in a simulated moving bed |
| 01/15/2009 | US20090018347 Process for purifying removal of acrylic acid, methacrylic acid, n-vinylpyrrolidone or p-xylene crystals from their suspension in mother liquor |
| 01/15/2009 | DE102007032536A1 Verfahren und Vorrichtung zur Herstellung von flüssigem und/oder gasförmigem Methan Method and apparatus for production of liquid and / or gaseous methane |
| 01/15/2009 | CA2693761A1 Process for the separation of unbranched hydrocarbons from their branched isomers |
| 01/14/2009 | EP2014634A1 Process for production of cyclic olefins |
| 01/14/2009 | EP2013157A2 Process for producing para-xylene |
| 01/14/2009 | EP2012903A2 Device to separate olefins from paraffins and to purify olefins and use thereof |
| 01/14/2009 | EP1615983B1 Transalkylation of aromatic fluids |
| 01/14/2009 | CN101343208A Desorption technique for methylbenzene in tail gas from benzyl chloride preparation |
| 01/14/2009 | CN101343207A Process for the separation of diethylbenzene in carbon deka-aromatic hydrocarbons |
| 01/14/2009 | CN100451507C Hydrocarbon gas processing |
| 01/14/2009 | CN100450982C Method for preparing purified petroleum benzine and concentrating thiofuran by cruden benzol |
| 01/13/2009 | US7476775 Method and system for separating an oligomerization reactor effluent |
| 01/13/2009 | US7476635 Process for making supported thin zeolite membrane |
| 01/08/2009 | US20090012342 Process to prepare a haze free base oil |
| 01/07/2009 | EP2011807A1 Method for purifying -methylstyrene, and heat-resistant styrene copolymer using the -methylstyrene |
| 01/07/2009 | EP2010470A2 Method for producing propene from propane |
| 01/07/2009 | CN101341158A Process for recycling cyclopentadienyl derivatives and preapring metallocenes from recycle, substituted cyclopentdienyl derivatives |
| 01/07/2009 | CN101337860A Method and device for recovering low-boiling-point compound from heavy tar of phenylethene |
| 01/07/2009 | CN101337859A Combination application technique of arene adsorptive separation apparatus |
| 01/07/2009 | CN101337858A Process and equipment for preparing 1,2-butadiene by continuous method |
| 01/07/2009 | CN101337131A Evaporation method and device easy for polymerizing hydrocarbon solution |
| 01/06/2009 | US7473815 Washing crude solutions with water, separation of adsorbent like magnesium silicate from solution, heating and depressurization then separation |
| 01/06/2009 | US7473812 Oligomerizing the isobutenic C4 streams over an acidic catalyst to give butene oligomers, etherifying the remaining isobutene with an alcohol under acidic catalysis to give tert-butyl ethers |
| 01/06/2009 | US7473795 Blends of quinone alkide and nitroxyl compounds as polymerization inhibitors |
| 01/06/2009 | US7473368 Simulated moving bed separation process and device |
| 01/06/2009 | US7473350 Hydrocarbon-containing feed stream is contacted with a zinc oxide-containing sorbent to remove sulfur andprovide a sulfur-loaded sorbent and a sulfur-reduced hydrocarbon-containing product stream, regenerating, reduction; maximize sulfur removal while minimizing octane loss |
| 01/02/2009 | DE102007029882A1 Verfahren zum Abkühlen oder Verflüssigen eines Kohlenwasserstoffreichen Stromes A method for cooling or liquefying a hydrocarbon-rich stream |
| 01/01/2009 | US20090005627 Integrated hydroprocessing with high productivity catalysts |
| 12/31/2008 | WO2009000782A1 Process for the polymerisation of olefins |
| 12/31/2008 | EP1135353B1 A method for preventing or retarding the formation of gas hydrates |
| 12/31/2008 | CN101333146A Methane recovery device |
| 12/31/2008 | CN101333145A Method for adsorbing and separating arene from naphtha |
| 12/31/2008 | CN101333144A Method for from removing dimethyl ether from olefin stream |
| 12/31/2008 | CN100447118C Extraction and rectification separation method for normal hexane and methyl cyclopentane |
| 12/31/2008 | CN100447115C Process for producing branched olefins from linear olefin/paraffin feed |
| 12/30/2008 | US7470829 Method for processing a natural gas with extraction of the solvent contained in the purified natural gas |
| 12/24/2008 | EP2006012A1 Process for the polymerisation of olefins |
| 12/24/2008 | EP2004577A1 Hydrogenation process using catalyst comprising ordered intermetallic compound |
| 12/24/2008 | CN101328105A Process for biphenyl purification by rectification-emulsification crystallization method |
| 12/24/2008 | CN101328104A Alkene liquid phase deoxidizing agent, preparation and application thereof |
| 12/24/2008 | CN100445246C Method for purifying phenylethylene monomer before polymerization |
| 12/24/2008 | CN100445243C Method for producing benzene arenes from coarse benzene |
| 12/24/2008 | CN100445242C Process for the production of gasoline stocks |
| 12/23/2008 | US7468468 Process for separating meta-xylene from a feed of aromatic hydrocarbons by liquid phase adsorption |
| 12/23/2008 | CA2355196C Branched alkyl-aromatic sulfonic acid dispersants for solubilizing asphaltenes in petroleum oils |
| 12/18/2008 | WO2008154235A1 Dehydrogenation and polymerization process |
| 12/18/2008 | WO2008069987A3 Production of butenes and derivatives therefrom from dry ethanol |
| 12/18/2008 | WO2008069984A3 Production of butenes and derivatives thereform from dry ethanol |
| 12/17/2008 | EP2003106A2 Method for producing a dearomatised colourless oil from naphthalane oil |
| 12/17/2008 | EP2001825A1 Method for commercially obtaining propene |
| 12/17/2008 | EP1613713B1 Method for production of acetylene and plant for carrying out said method |
| 12/17/2008 | CN101323554A Solid-liquid separation process |
| 12/17/2008 | CN100443147C Composite membrane |