| Patents for C07C 7 - Purification, separation orstabilisation of hydrocarbons; Use of additives (13,802) |
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| 01/04/2006 | EP1611072A2 Palladium-based catalyst for selective hydrogenation of acetylene |
| 01/04/2006 | CN1717378A Method of separating olefins from mixtures with paraffins |
| 01/04/2006 | CN1717377A Process for producing oxidation-resisting hydrogenated fullerene and hydrogenated fullerene produced by the process |
| 01/04/2006 | CN1717278A Methods for preparing catalysts |
| 01/04/2006 | CN1715368A Method for separating normal alkane from full fraction naphtha |
| 01/04/2006 | CN1715260A Low pressure olefin recovery process |
| 01/04/2006 | CN1714915A Improved simulated moving bed separation process and device |
| 01/04/2006 | CN1234671C Molecular distillation purification method of poly pentene alcohol |
| 01/04/2006 | CN1234667C Method for recovering crude 1, 3-butadiene by extracting distillation from C4 cut |
| 01/02/2006 | CA2497943A1 Low pressure olefin recovery process |
| 12/29/2005 | US20050288538 hydrogenating acetylene in presence of rhodium, indium, and a metal selected from iron, cobalt and ruthenium catalyst supported on alumina, exhibits increased olefin selectivity and reduced selectivity to saturates and oligomers, such as green oil, while retaining high hydrogenation activity |
| 12/29/2005 | US20050288471 Method for producing oligomers derived from butenes |
| 12/29/2005 | US20050284290 Feeding a Fischer-Tropsch product stream to a separation membrane, especially a ceramic membrane, and recovering water vapor from the downstream permeate side of the membrane, preferably using recovered H2 as a sweep gas |
| 12/29/2005 | DE19741471B4 Verfahren zur Reinigung von Benzol mit zwei Permeationsschritten A process for the purification of benzene with two Permeationsschritten |
| 12/28/2005 | EP1608608A1 Method for extracting lutein from green plant materials |
| 12/28/2005 | EP1608447A1 Low capital implementation of distributed distillation in ethylene recovery |
| 12/28/2005 | EP1608446A1 Purification of fluid compounds utilizing a distillation-membrane separation process |
| 12/28/2005 | EP1047483B1 Separation process |
| 12/28/2005 | CN1233605C Technological process for extracting asphalt using waste lincrusta |
| 12/22/2005 | WO2005121056A1 Method for production of diphenylethylene |
| 12/22/2005 | US20050283038 Process for producing olefins |
| 12/22/2005 | US20050281725 Contacting the gas mixture with a catalyst in a reaction zone under conditions to oxidize hydrogen and to oxidize carbon monoxide and without significant hydrogenation of the at least one olefin, wherein the catalyst comprises tin and a supported metal or oxide of a metal |
| 12/21/2005 | EP1606236A1 Residue recycle-high ethane recovery process |
| 12/21/2005 | CN1711226A Process for the selective hydrogenation of alkynes |
| 12/21/2005 | CN1232484C Aromatics separation process and method of retrofitting existing equipment for same |
| 12/21/2005 | CN1232483C Method and apparatus for separating and purifying conjugated diene |
| 12/15/2005 | US20050277801 Combined process for recovering hydrogen, ethylene, ethane or separating ethylene cracked gas from dry gas of refinery plants |
| 12/15/2005 | DE102004052828B3 Verfahren und Vorrichtung zur Herstellung von niederen Olefinen aus Oxigenaten Method and apparatus for the production of lower olefins from oxygenates |
| 12/15/2005 | DE102004052658B3 Verfahren zum Entfernen von sauerstoffhaltigen organischen Verbindungen aus Gemischen verschiedener Kohlenwasserstoff-Verbindungen A method for removing oxygen-containing organic compounds from mixtures of different hydrocarbon compounds |
| 12/14/2005 | EP1604965A1 Polymerization inhibitor for aromatic vinyl compounds and method for inhibiting the polymerization of the compounds |
| 12/14/2005 | EP1603853A2 Production of linear alkyl benzene |
| 12/14/2005 | CN1708466A Method for producing oligomers derived from butenes |
| 12/14/2005 | CN1706920A Combined process for separating and recovering hydrogen, ethylene and ethane from refinery dry gas or separating ethylene cracking gas |
| 12/14/2005 | CN1706919A Process for upgrading a gasoline fraction and transforming in gasoils with additional treatment for increasing the efficiency of the gasoil fraction |
| 12/14/2005 | CN1706780A Olefin polymerization inhibitor and its prepn process |
| 12/14/2005 | CN1231436C Method for separating isoparaffin/n-paraffin using gas phase adsorption |
| 12/08/2005 | WO2005116399A1 Enhancement modifiers for gas hydrate inhibitors |
| 12/08/2005 | US20050269268 With a multi-way rotary valve permits the carrying out of an effective flushing of the dead zones of the "lengthy duration with a small or zero concentration gradient"; compatible with existing technologies; for separating paraxylene or metaxylene |
| 12/08/2005 | DE102005019103A1 Katalysatoren Catalysts |
| 12/08/2005 | CA2565880A1 Enhancement modifiers for gas hydrate inhibitors |
| 12/07/2005 | EP1602705A1 Process for upgrading a gasoline fraction and transforming in gasoils with additional treatment for increasing the efficiency of the gasoil fraction |
| 12/07/2005 | EP1601918A1 Removing contaminants from natural gas |
| 12/07/2005 | EP1601634A2 Production of linear alkyl benzene |
| 12/07/2005 | CN1230404C Method for separating arene by extraction and rectification |
| 12/07/2005 | CN1230247C Composite adsorbent for purifying hydrocarbon stream |
| 12/01/2005 | WO2005113472A2 Selective hydrogenation of butadiene |
| 12/01/2005 | DE102004022734A1 Verfahren zur Destillation von Produktgemischen A process for the distillation of the product mixtures |
| 11/30/2005 | EP1600675A1 Advanced method and apparatus for a separation in a simulated moving bed |
| 11/30/2005 | CN1703387A Preparation of at least one partial oxidation and/or ammoxidation product of propylene |
| 11/30/2005 | CN1229314C Obtaining anthracene and carbazole by melt-crystallization |
| 11/29/2005 | US6969495 Separation element rotors in tubes with and plates and connectors for distribution |
| 11/24/2005 | WO2005110573A1 Method for the distillation of product mixtures |
| 11/24/2005 | US20050261529 Enhancement modifiers for gas hydrate inhibitors |
| 11/23/2005 | EP1597218A1 Acetylene hydrogenation catalyst with segregated palladium skin |
| 11/23/2005 | EP1596954A1 Method and device for extractive distillation |
| 11/23/2005 | CN1701054A Method for the production of at least one partial propylene oxidation and/or ammoxidation product |
| 11/23/2005 | CN1699308A Process for preparing N,O-bis(trimethylsilyl)acetamide |
| 11/23/2005 | CN1228563C Method of using hydrate to storage ethylene under normal pressure |
| 11/23/2005 | CN1228287C Continuous selection wrapping separation method and equipment therefor |
| 11/17/2005 | WO2004085353A8 Palladium-based catalyst for selective hydrogenation of acetylene |
| 11/17/2005 | WO2004085022A8 Purification of fluid compounds utilizing a distillation-membrane separation process |
| 11/17/2005 | US20050256353 Selective hydrogenation of butadiene |
| 11/16/2005 | EP1261571B1 A method for removing polymer from an acid gas treating system |
| 11/16/2005 | CN1227197C Styrene separation process |
| 11/16/2005 | CN1227195C Adiabatic flash method for styrene tar oil |
| 11/15/2005 | US6964730 Purification apparatus and method |
| 11/10/2005 | WO2005105886A1 Low molecular weight polylactic acid polymers |
| 11/10/2005 | US20050250953 Phytosterols, squalene and Vitamin E are recovered from phytonutrients concentrate derived from crude palm oil via esterification, transesterification, vacuum distillation, saponification, crystallization and organic solvent paretitioning |
| 11/10/2005 | CA2563957A1 Low molecular weight polylactic acid polymers |
| 11/09/2005 | CN1693297A Process for advanced controlling rectifying apparatus of butadiene |
| 11/09/2005 | CN1226252C Process for rectifying raw styrene |
| 11/09/2005 | CN1226248C Light benzene producing process in four serially connected towers |
| 11/09/2005 | CN1226246C Rectification and extraction crossing and combining separation process of carbon 9 arene |
| 11/08/2005 | CA2323870C Compositions and methods for inhibiting vinyl aromatic monomer polymerization |
| 11/03/2005 | WO2005102969A2 Process for removing contaminants from fischer-tropsch feed streams |
| 11/03/2005 | WO2005102968A1 Hydrocarbon gas processing for rich gas streams |
| 11/03/2005 | US20050245779 Styrene monomer (SM) production; use of a compressor to facilitate azeotropic vaporization of an ethylbenzene (EB) and water mixture within a preferred range of pressure/temperature conditions so as to minimize undesired polymerization reactions; heat recovery improves economic and process efficiency |
| 11/03/2005 | US20050245623 Fisher-Tropsch catalyst, alumina impregnated with coblat-iron; introducing soluble modifying component precursor metal compound onto and/or into a cobalt-based Fischer-Tropsch synthesis catalyst precursor comprising a porous pre-shaped catalyst support having supported thereon cobalt in an oxidized form |
| 11/03/2005 | CA2562828A1 Hydrocarbon gas processing for rich gas streams |
| 11/02/2005 | EP1233989B1 Inhibition of polymerization of unsaturated monomers |
| 11/02/2005 | CN1690026A Molecular marker for organic solvent system |
| 11/02/2005 | CN1689687A Simulated moving bed adsorptive separation process for preventing increase in pressure drop and system thereof |
| 11/01/2005 | US6960700 purifying a hydrocarbon stream, absorbing arsine with copper oxide dispersed on alumina |
| 11/01/2005 | US6960279 Method for stabilizing vinyl aromatic monomers using selected polymerization inhibitors and polymers prepared therewith |
| 10/27/2005 | WO2005100287A1 Process for recovering paraxylene utilizing ammonia absorption refrigeration |
| 10/27/2005 | US20050240071 Method for working up crude 1,3-butadiene |
| 10/27/2005 | US20050238618 Low molecular weight polymers |
| 10/26/2005 | EP1588111A2 Lean reflux-high hydrocarbon recovery process |
| 10/26/2005 | EP1233937B1 Inhibition of polymerization of unsaturated monomers |
| 10/26/2005 | EP1109607B1 Cascade reboiling of ethylbenzene/styrene columns |
| 10/26/2005 | CN1688675A Process for the removal of oxygen from olefin-containing process streams |
| 10/26/2005 | CN1688526A Stabilization of olefin metathesis product mixtures |
| 10/26/2005 | CN1688524A Method of removing entrained sulfuric acid from alkylate |
| 10/26/2005 | CN1224595C Catalytic distillation method for selective hydrogenation of C4 hydrocarbon mixture |
| 10/25/2005 | US6958426 Process for separating C5 cuts obtained from a petroleum cracking process |
| 10/25/2005 | US6958364 cooling exhaust gas, adsorption of hydrocarbon distillate; regeneration loop not required; carbon dioxide, carbon monoxide removal |
| 10/20/2005 | US20050234284 Process for the treatment of sodium-containing heavy residues and fuel so obtained |
| 10/20/2005 | US20050234275 Reduction of naphthalene concentration in aromatic fluids |
| 10/20/2005 | US20050229781 Separation method and separation apparatus of isotopes from gaseous substances |
| 10/20/2005 | US20050229634 Hydrocarbon gas processing for rich gas streams |