| Patents for C07C 7 - Purification, separation orstabilisation of hydrocarbons; Use of additives (13,802) |
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| 02/19/2008 | US7332638 Pre-treating cyclic hydrocarbon feedstock with a catalyst in the presence of hydrogen, for selectively opening, the ring of the cyclic hydrocarbon: isomerising pretreated feedstock in presence of an isomerization catalyst to form triptane containing product; ring opening |
| 02/19/2008 | US7332073 Removing aluminum particles with diameter greater than 1 micron and 5 ppm aluminum particles with diameter less than 1 micron by passing through a particle removing zone to remove first particles, then passing particle free feed stream to a up-flow fixed bed mode with aluminum activating catalyst |
| 02/19/2008 | CA2206918C Process to inhibit or delay the formation or agglomeration of hydrates in a production stream |
| 02/14/2008 | WO2008017744A1 Process for membrane separation of linear hydrocarbons within a mixture of hydrocarbons |
| 02/14/2008 | US20080039344 Composition and method for chelated scavenging compounds |
| 02/14/2008 | DE102007036830A1 Verfahren und Vorrichtung zur Trennung im simulierten Bewegtbett mit reduzierter Anzahl von Ventilen Method and apparatus for separation in a simulated moving bed with a reduced number of valves |
| 02/13/2008 | EP1885821A2 Layered composition and processes for preparing and using the composition |
| 02/13/2008 | CN101124026A Energy efficient method and apparatus for exothermic reactions |
| 02/13/2008 | CN101121634A Recovery method for styrene from pyrolysis gasoline |
| 02/13/2008 | CN101121633A Method for reclaiming and purifying styrene |
| 02/13/2008 | CN101121631A Method for fast extracting lycopene |
| 02/13/2008 | CN101121101A Method for preparing polyurethane-imide permeable vaporizing aromatic/alkane separating membrane |
| 02/13/2008 | CN100368360C Process for producing para-xylene |
| 02/13/2008 | CN100368354C Continuous method for separating a c4 cut |
| 02/12/2008 | US7329791 Hydrogen transport membranes for dehydrogenation reactions |
| 02/12/2008 | US7329790 Wet scrubbing and recycle of effluent-contaminating catalyst particles in an oxygenate-to-olefin process |
| 02/12/2008 | CA2209100C Method for the separation of paraxylene involving at least one high temperature crystallization stage and at least one clay treatment located upstream of the adsorption area |
| 02/07/2008 | US20080031785 Apparatus for Separating Oxygenate Modifier from Oligomerization Effluent by Water Wash |
| 02/07/2008 | CA2659115A1 Olefin upgrading process with guard bed regeneration |
| 02/06/2008 | EP1883614A2 Organic nitric oxide enhancing salts of nonsteroidal antiinflammatory compounds, compositions and methods of use |
| 02/06/2008 | CN101119788A Method for removing contaminating gaseous components from a natural gas stream |
| 02/06/2008 | CN101116812A Olefinic hydrocarbon expelling catalyzer and method for preparing the same |
| 02/06/2008 | CN100366590C Purification method of 4,4'-bichloro methyl biphenyl |
| 02/05/2008 | US7326823 Aromatic compound recovery |
| 02/05/2008 | US7326822 Method for treating sour gas |
| 02/05/2008 | US7326821 Removal of oxygenate from an olefin stream |
| 02/05/2008 | US7326820 Removing impurities using acid catalyst ; isomerization of impurities |
| 02/05/2008 | US7326817 Dimerizing, trimerizing, or oligomerizing olefins using a zeolite type catalyst; hydrogenating the dimerized, trimerized, or oligomerized olefins, fractional distillation |
| 02/05/2008 | US7326802 Dehydrogenation of propane forming propylene; vapor phase oxidation using mixed oxide catalyst |
| 01/31/2008 | WO2008013519A2 Process for removal of oxygenates from a paraffin stream |
| 01/31/2008 | WO2008012410A1 Method of separating propylene in mixture with propane by adsorption in simulated moving bed |
| 01/31/2008 | US20080022717 Process and apparatus for separation of hydrocarbons from liquefied natural gas |
| 01/30/2008 | CN101115699A Means for controlling the exothermic reaction of styrenic monomers with sulfonic acids |
| 01/30/2008 | CN101115697A Method for the production of propene from propane |
| 01/30/2008 | CN100364943C Pressure swing adsorption method of separating and recovering C3+ hydrocarbons from C3+ hydrocarbons contained mixture gas |
| 01/30/2008 | CN100364942C Liquid hydrocarbon absorbing and distilling depuration process |
| 01/30/2008 | CN100364645C Simulated moving bed adsorptive separation process for preventing increase in pressure drop and system thereof |
| 01/29/2008 | US7323612 Removal of condensable compounds from an olefin stream |
| 01/24/2008 | US20080021255 Preparing 1-butene having <2000 ppm isobutene from a mixtures of C4 hydrocarbons containing 1-butene and from 2000 ppmw-8% isobutene byreacting the isobutene with ethanol in the presence of an acid ion exchange resin catalyst to give ethyl tert-butyl ether which is then removed; simplification |
| 01/24/2008 | US20080021196 Inhibitors of memapsin 2 and use thereof |
| 01/23/2008 | CN101108782A Separation method of diene hydrocarbon in five fractions of petroleum cracked carbon |
| 01/23/2008 | CN100363076C Separation method of hydrocarbon reaction oil gas |
| 01/22/2008 | US7321058 Method for producing acrolein and/or acrylic acid |
| 01/17/2008 | WO2008008533A1 Improved membrane separation process using mixed vapor-liquid feed |
| 01/17/2008 | WO2008006879A1 Method for separating a c4 fraction by means of extractive distillation using a selective solvent |
| 01/17/2008 | WO2008006222A1 Method for selective extraction of natural gas liquids from “rich” natural gas |
| 01/17/2008 | WO2008006221A1 Method for selective extraction of natural gas liquids from 'rich' natural gas |
| 01/17/2008 | DE102006031964A1 Verfahren zur Herstellung von 3-Methylbut-1-en A process for the preparation of 3-methylbut-1-ene |
| 01/17/2008 | CA2657630A1 Improved membrane separation process using mixed vapor-liquid feed |
| 01/16/2008 | EP1877355A1 Biofuel conversion process |
| 01/16/2008 | EP1530555B1 Method for working up crude 1,3-butadiene |
| 01/16/2008 | CN101107207A Selective hydrogenation of butadiene |
| 01/16/2008 | CN101104573A Method for separating isoprene by combined rectification |
| 01/15/2008 | US7319176 Selective hydrogenation of acetylenes |
| 01/13/2008 | CA2552327A1 Method for selective extraction of natural gas liquids from "rich" natural gas |
| 01/09/2008 | CN101102984A Aromatic sulfonic acids, amines, and nitrophenols in combination with nitroxyl radical-containing compounds or C-nitrsoanilines as polymerization inhibitors |
| 01/09/2008 | CN101102832A Integrated preparation and separation process |
| 01/09/2008 | CN101102831A Integrated separation and preparation process |
| 01/09/2008 | CN101100413A Method for removing alkali and water in cyclonexane oxidative liquid |
| 01/09/2008 | CN101100412A Postheating dimerization method for separating C5 diene |
| 01/09/2008 | CN100360209C Nano-deoxidant composition and its synthesis method |
| 01/08/2008 | US7316127 Hydrocarbon gas processing for rich gas streams |
| 01/08/2008 | CA2401354C A method for removing polymer from an acid gas treating system |
| 01/08/2008 | CA2230092C Process of deacidification with production of acid gases in the liquid phase |
| 01/03/2008 | WO2008002359A1 Integrated process for removing benzene from gasoline and producing cyclohexane |
| 01/03/2008 | WO2008000388A1 Method for purifying biogas from a biogas installation, and gas purification system |
| 01/03/2008 | DE102006029790A1 Continuous heterogeneously catalyzed partial dehydrogenation of hydrocarbon involves dehydrogenation through catalyst bed disposed in reaction chamber and with generation of product gas |
| 01/02/2008 | EP1873133A1 Method of purifying 2,7-dimethylnaphthalene |
| 01/02/2008 | EP1871829A1 In-can stabilizer blend |
| 01/02/2008 | CN100358847C Method for producing selected phenylparaffin with adsorptive separation step |
| 01/01/2008 | US7314965 having improved low temperature performance |
| 01/01/2008 | US7314502 Method and system for separating a component from a multi-component gas |
| 12/27/2007 | US20070299294 initially removing benzene from reformate by extractive distillation, then partially hydrogenating high purity benzene into cyclohexane under mild conditions in a one-stage hydrogenation reactor, and thereafter recovering cyclohexane product with high purity from hydrogenation reactor effluent |
| 12/27/2007 | US20070299293 Method for obtaining 2,6-dimethylnaphthalene using isomerization and crystallization processes |
| 12/26/2007 | EP1870391A1 A method for obtaining 2,6-dimethylnaphthalene using isomerization and crystallization processes |
| 12/26/2007 | EP1868972A1 Branched olefin compositions |
| 12/26/2007 | EP1868971A1 Solvent extraction of butadiene |
| 12/26/2007 | EP1868719A1 Method of preparing multimetallic catalysts that can be used in hydrocarbon conversion reactions |
| 12/26/2007 | CN101092389A Method for preparing Anthracene and Carbazole in high purity by rectifying crude anthracene |
| 12/26/2007 | CN101092321A Method for separating out isobutene in high purity from liquefied petroleum gas |
| 12/26/2007 | CN101092320A Method for obtaining 2,6-dimethylnaphthalene using isomerization and crystallization processes |
| 12/26/2007 | CN101092319A Method for separating cyclopentadiene |
| 12/26/2007 | CN101091835A Extractive distillation method with heat exchange through parallel connection |
| 12/26/2007 | CN100357238C Method for obtaining crude 1,3-butadiene from a C4 |
| 12/25/2007 | US7311758 Method of purifying a natural gas by mercaptan adsorption |
| 12/25/2007 | US7310972 Process and apparatus for separation of hydrocarbons from liquefied natural gas |
| 12/21/2007 | WO2007127049A3 Process for producing para-xylene |
| 12/19/2007 | EP1867373A1 Method and apparatus for crystallization of organic compound through adiabatic cooling |
| 12/19/2007 | EP1867372A1 Method and apparatus for crystallization of organic compound through adiabatic cooling |
| 12/19/2007 | EP1866045A1 Method for the distillative purification of slow-evaporating fluids |
| 12/19/2007 | CN200992525Y Forced circulating system for reducing reboiler polymerization for C5 separation |
| 12/19/2007 | CN101090990A Electromagnetic control of chemical catalysis |
| 12/19/2007 | CN100355866C Aromatics separation process and method of retrofitting existing equipment for same |
| 12/19/2007 | CN100355476C Equipment for preparing high pure organic matter by fusion-crystallization method |
| 12/18/2007 | CA2359058C Selective hydrogenation process and catalyst therefor |
| 12/13/2007 | WO2006100023A9 Method for the distillative purification of slow-evaporating fluids |
| 12/13/2007 | US20070287876 Method of removing organic acid from light fischer-tropsch liquid |
| 12/12/2007 | EP1864712A2 Agglomerated zeolitic adsorbents, method for obtaining same and uses thereof |
| 12/12/2007 | CN101085711A Method for synthesizing ethyl benzene and diethyl benzene |
| 12/12/2007 | CN100354241C Refining method of coarse piperyene |