Patents
Patents for C07C 7 - Purification, separation orstabilisation of hydrocarbons; Use of additives (13,802)
07/2006
07/25/2006US7081558 from an effluent that also contains a light olefin fraction, by including a stage preceding the hydrogen recovery in which the effluent is brought into contact with a reagent to react with the olefins to form with them a complex or a molecule.
07/25/2006CA2286117C Hydrocarbon gas processing
07/25/2006CA2262661C Process for the production of alkylated benzenes
07/20/2006WO2006076054A1 Method of removing organic sulfur compounds from alkylate
07/20/2006DE102005029643B3 Extraction of styrene comprises fractionation of pyrolysis benzol fraction into three different carbon fractions, hydrogenation of the fraction containing phenyl acetylene and extractive distillation to obtain a styrene-rich portion
07/20/2006DE102005002129A1 Reaktor und Verfahren in einem Reaktor mit einem Reaktorinnenraum, der in zwei oder mehrere voneinander getrennte Reaktionsräume aufgeteilt ist Reactor and process in a reactor having a reactor interior which is divided into two or more separate reaction spaces
07/20/2006DE102005002127A1 Verfahren zur Herstellung von Butadien aus n-Butan A process for preparing butadiene from n-butane
07/19/2006EP1680490A1 Removal of mercury compounds from glycol
07/19/2006EP1680485A1 Process for upgrading a liquid hydrocarbon stream with a non-porous or nano-filtration membrane
07/19/2006CN1805792A A process and catalyst for the selective hydrogenation of diolefins contained in an olefin containing stream and for the removal of arsenic therefrom and a method of making such catalyst
07/19/2006CN1264788C Polymerization inhibiting method for preventing unsaturated compound from polymerization
07/19/2006CN1264787C Process for purifying ethylene from oil refinery dry gas
07/19/2006CN1264786C Raw material gas purification method for propionaldehyde production
07/18/2006US7078580 Process for separating aromatics by extractive distillation and a composite solvent used therein
07/18/2006US7077950 Drying the stream of hydrocarbon containing water with an ionic liquid drying agent containing a trialkylammonium or triethanolammonium salt of sulphuric acid being in liquid or melted form at a drying temperature
07/13/2006WO2006072572A1 Method for the production of propene from propane
07/13/2006US20060155140 Blends of quinone alkide and nitroxyl compounds as polymerization inhibitors
07/13/2006DE19720599B4 Katalysatoren und Verfahren zum Dampfreformieren niederer Kohlenwasserstoffe Catalysts and processes for steam reforming of lower hydrocarbons
07/13/2006DE102005000798A1 Preparation of propene comprises preparing a feed stream containing propane; feeding the feed stream to a dehydrogenation zone; followed by cooling, contacting the cooled product gas stream and depressurizing
07/13/2006DE102005000634A1 Verfahren zum Abtrennen einer C2+-reichen Fraktion aus LNG A method for separating a C2 + -rich fraction from LNG
07/13/2006CA2594355A1 Method for the production of propene from propane
07/12/2006EP1218322A4 Catalyst composition and process for making the composition
07/12/2006CN1800122A Giant knotweed rhizome active ingredient emodin extraction method
07/11/2006US7074980 Purification process of carbon nanotubes
07/11/2006US7074971 Recovery of ethylene and propylene from a methanol to olefin reaction system
07/11/2006US7074375 Method of desulfurizing a hydrocarbon gas by selective partial oxidation and adsorption
07/11/2006CA2158221C A process for the recovery of ethylene and propylene from a gaseous mixture
07/06/2006WO2006069992A1 Integrated preparation and separation process
07/06/2006WO2006069991A2 Integrated separation and preparation process
07/06/2006US20060149117 Process for the preparation of detergent compounds
07/06/2006US20060149116 Process for separating olefins from saturated hydrocarbons
07/06/2006DE102004061772A1 Verfahren zur Herstellung von Propen aus Propan A process for preparing propene from propane
07/06/2006DE102004061514A1 Verfahren zur Herstellung von Butadien aus n-Butan A process for preparing butadiene from n-butane
07/06/2006DE102004060654A1 Verfahren zur Reinigung eines Apparates von Ablagerungen aus einem Verfahren zur Rückgewinnung von NMP A method for cleaning an apparatus of deposits from a process for the recovery of NMP
07/06/2006CA2592589A1 Integrated preparation and separation process
07/06/2006CA2592587A1 Integrated separation and preparation process
07/05/2006EP1676825A1 Recovery and purification of ethylene
07/05/2006CN1798716A Selective hydrogenation process and catalyst therefor
07/05/2006CN1796342A Refining method of coarse piperyene
07/05/2006CN1796341A Refining separation method for coarse piperyene
07/05/2006CN1796340A Separation method for refining coarse piperyene
07/05/2006CN1262626C Ethylene production by steam cracking of normal paraffins
07/04/2006US7070694 Purification of fluid compounds utilizing a distillation - membrane separation process
07/04/2006US7069744 Lean reflux-high hydrocarbon recovery process
07/04/2006US7069743 System and method for recovery of C2+ hydrocarbons contained in liquefied natural gas
07/04/2006CA2441474C Composition and method for inhibition of formation of gas hydrates
06/2006
06/29/2006WO2006068174A1 Method of separating dimethylnaphthalene isomers
06/28/2006EP1673320A1 Improvements in or relating to isobutylene
06/28/2006CN1793092A Recovery and purification of ethylene
06/28/2006CN1793091A Process and apparatus for producing reagent benzene by coking benzene
06/28/2006CN1793090A Process and apparatus for producing reagent methylbenzene by coking toluene
06/28/2006CN1792406A Equipment for preparing high pure organic matter by fusion-crystallization method
06/28/2006CN1261393C Direct selective synthesis of para-xylene method
06/22/2006WO2006065330A2 Process for removing naphthalene from alkylaromatics
06/22/2006WO2006064368A2 Process for treating solvents
06/22/2006US20060135840 Recovery and purification of ethylene
06/22/2006US20060135833 Method for the production of isobutene from commercial methyl tert-butyl ether
06/21/2006EP1670877A1 Radical interceptors as stabilizers of polymerizable compounds
06/21/2006EP1670737A1 Diisobutylene process
06/21/2006CN1791566A Reduction of the content of compounds containing oxygen and/or nitrogen in material flows containing isobutene
06/21/2006CN1789223A Apparatus for extracting coarse 1,3-butadiene by double baffle plated tower and method thereof
06/21/2006CN1789222A Preparation method of polymer grade piperyene
06/20/2006CA2529041A1 Recovery and purification of ethylene
06/20/2006CA2207594C Method for controlling gas hydrates in fluid mixtures
06/16/2006CA2529893A1 Process and apparatus for oligomerization in multiple stages with single fractionation column
06/15/2006WO2006062657A1 Removing carbon dioxide from an oxygenate to olefins reaction effluent
06/15/2006WO2006062563A1 Aromatic sulfonic acids, amines, and nitrophenols in combination with nitroxyl radical-containing compounds or c-nitrosanilines as polymerization inhibitors
06/15/2006WO2006061227A1 Method for the production of propene from propane
06/15/2006WO2006048098A8 Device for removing oxygen-containing organic compounds from mixtures of various hydrocarbon compounds
06/15/2006US20060129017 Removal of naphthalene from mixtures comprising naphthalene and alkylbenzenes utilizing a distillation column reactor to transfer alkyl groups from alkylbenzenes to naphthalene by transalkylation and simultaneously separating alkylbenzenes from alkylnaphthalenes produced in the transalkylation
06/15/2006CA2589038A1 Aromatic sulfonic acids, amines, and nitrophenols in combination with nitroxyl radical-containing compounds or c-nitrosanilines as polymerization inhibitors
06/15/2006CA2588583A1 Method for the production of propene from propane
06/14/2006EP1667951A1 Process for the removal of sulfur compounds from hydrocarbon feedstocks
06/14/2006DE102004059356A1 Verfahren zur Herstellung von Butadien aus n-Butan A process for preparing butadiene from n-butane
06/14/2006DE102004059355A1 Verfahren zur Herstellung von Propan zu Propen Process for the preparation of propane to propene
06/14/2006CN1785491A Preparation method of osmosis gasification membrane used for aromatics/paraffins mixture separation
06/14/2006CN1785477A Nano-deoxidant composition and its synthesis method
06/13/2006US7061073 Diamondoid-containing capacitors
06/13/2006US7060866 High pressure separation of dimethyl ether from an olefin stream
06/13/2006US7060865 Recovery of C4 olefins from a product stream comprising C4 olefins, dimethyl ether and C5+ hydrocarbons
06/08/2006US20060122449 down to the ppm level in olefin product streams without removing significant amounts of olefin; two-stage; use in preferably methanol to olefins (MTO) reaction system
06/08/2006US20060122444 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
06/08/2006DE102004044645B3 Umweltschonendes Verfahren zur Gewinnung von Bioerdgas Environmentally friendly process for the recovery of biogas
06/07/2006EP1666126A1 Selective removal of nitrogen from natural gas by pressure swing adsorption
06/07/2006EP1664242A1 Recovery of ethylene and propylene from a methanol to olefin reaction system
06/07/2006EP1663918A1 Process for liquid phase hydrogenation
06/07/2006EP1663916A1 Method for catalytic deoxygenation of process fluids of olefin dimerization processes
06/07/2006EP1663439A1 A solid-liquid separation process
06/07/2006CN1781885A Process for separation by selective adsorption on a solid containing a zeolite with a crystalline structure analogous to IM-12
06/06/2006US7056439 Process for producing 1, 3-propanediol
06/01/2006WO2006057692A1 Diisobutylene process
06/01/2006CA2588989A1 Diisobutylene process
05/2006
05/31/2006EP1660613A2 Dual pressure catalytic distillation hydrogenation column system for the front end of an ethylene plant
05/31/2006EP1660418A2 Process for the selective hydrogenation of phenylacetylene
05/31/2006CN1780802A Method of obtaining para-xylene
05/31/2006CN1780693A Para-xylene selective adsorbent compositions and methods.
05/30/2006US7053023 leaching clays with hydrochloric, phosphoric or sulphuric acid, to remove some alumina, then filtering and compacting to increase bulk density; activated clays used for separation of aromatic and acyclic unsturated hydrocarbons
05/30/2006CA2186456C Single temperature stage crystallization to recover paraxylene
05/26/2006WO2006055888A2 Methods and apparatus for processing fuels
05/25/2006US20060111602 Removing diamondoid components from natural gas at reduced temperatures
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