Patents
Patents for C07C 7 - Purification, separation orstabilisation of hydrocarbons; Use of additives (13,802)
09/2006
09/21/2006WO2006099254A1 Processes for the isomerization of feedstocks comprising paraffins of 5 to 7 carbon atoms
09/21/2006WO2006097618A1 Method for combined production of paraxylene and benzene with improved productivity
09/21/2006US20060211907 Extraction of oxygenates from a hydrocarbon stream
09/21/2006US20060211906 Method for purifying a liquid medium
09/21/2006US20060211905 Olefinic metathesis in the presence of phenolic compounds
09/21/2006DE102005012291A1 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
09/20/2006CN1835901A Use of waste nitrogen from air separation units for blanketing cargo and ballast tanks
09/20/2006CN1834073A Process and apparatus for oligomerization in multiple stages with single fractionation column
09/20/2006CN1833753A Method of purifying and reclaiming ethene and dichloroethane in mixed gas
09/20/2006CN1275692C Catalyst containing copper and zinc for purifying ethylene
09/14/2006WO2006096394A2 Improving product recovery from simulated-moving-bed adsorption
09/14/2006WO2006069991A3 Integrated separation and preparation process
09/14/2006DE102005010586A1 Verfahren zur Herstellung von Propen aus Propan A process for preparing propene from propane
09/14/2006DE102005009134A1 Biologisch abbaubare Gashydratinhibitoren Biodegradable gas hydrate
09/13/2006EP1700836A1 Palladium-based catalyst for selective hydrogenation of acetylene
09/13/2006EP1472000B1 Regeneration of supported catalysts for carbon monoxide hydrogenation
09/13/2006CN1833017A Recovery of ethylene and propylene from a methanol to olefin reaction system
09/13/2006CN1832907A Dual pressure catalytic distillation hydrogenation column system for the front end of an ethylene plant
09/13/2006CN1274649C Catalytic distillation process for olefin production device
09/13/2006CN1274648C Production and apparatus for producing methane from refuse embedded gas
09/13/2006CN1274647C Method for separating cracked carbon 5 using azeotropic super fractionation and extractive distillation coupling
09/13/2006CN1274382C Ionic liquids as selective additives for separation of close-boiling or azeotropic mixtures
09/12/2006US7105711 Flowing a styrene monomer stream containing a minor amount of phenylacetylene and hydrogen into contact with a copper hydrogenation catalyst on a theta alumina support at a temperature of at least 60 degrees C. and a pressure of at least 30 psig
09/08/2006WO2006092476A1 Method of preparing multimetallic catalysts that can be used in hydrocarbon conversion reactions
09/07/2006US20060199989 Directing one or both of a portion of the feed mixture and material withdrawn from the adsorption zone as a raffinate flush to flush away from the adsorbent chamber the contents of a transfer line which previously has been used to remove the raffinate stream from the adsorbent chamber
09/07/2006US20060199988 Molecular sieve catalysts; antiknock rating
09/06/2006EP1697285A2 Process and apparatus for the removal of nitrogen compounds from a fluid stream
09/06/2006EP1697284A1 Regenerative removal of trace carbon monoxide
09/06/2006CN1829672A Method for the separation of a crude C4 cut
09/06/2006CN1273568C Process to produce a dilute ethylene stream an a dilute propylene stream
09/06/2006CN1273421C Preparation of high-purity biphenyl from coarse biphenyl
09/06/2006CN1273420C Production process for separating ethylbenzene and ortho-xylene from mixed xylene
09/06/2006CN1273419C Method of inhibiting polymerization of aromatic vinyl composition
09/05/2006US7102049 Process for operating a quench device in an oxygenate-to-olefin production unit
09/05/2006US7102038 Phosphorous removal and diene removal, when using diene sensitive catalyst, during conversion of olefins to branched primary alcohols
08/2006
08/31/2006WO2006047105A3 Membrane separation of a metathesis reaction mixture
08/31/2006DE102005009665A1 Preparation of propene from 2-butene and isobutene rich feed stream comprises contacting 4 carbon hydrocarbon stream with ethene in a metathesis step, and separating the streams
08/31/2006DE102005009596A1 Preparation of non-aromatic carbon-carbon double/triple bond compound comprises reacting another non-aromatic carbon-carbon double/triple bond compound with an adsorption agent and contacting another compound with a metathesis catalyst
08/30/2006EP1695951A1 Method and apparatus for separating hydrocarbon
08/30/2006EP1694822A2 Electromagnetic control of chemical catalysis
08/30/2006EP1694439A1 Catalyst recovery process
08/30/2006EP1476243B1 Treatment of hydrogen/hydrocarbon mixtures on adsorbents regenerated at high pressure
08/30/2006CN1826303A Production of linear alkyl benzene
08/30/2006CN1272408C Composite solvent in use for extracting, rectifying and separating arene and method of application
08/30/2006CN1272294C Dehalogenate method of carbon-carbon containing double-bonded hydrocarbon
08/29/2006CA2132115C Process for the polymerization of olefins
08/24/2006WO2006087332A1 Method for removing contaminating gaseous components from a natural gas stream
08/24/2006DE102005006804A1 Device, useful for separating paraffin, which is contaminated with solvents and texture groups, comprises cooled condensers, scavenge cups, emptying system, filters and drain
08/24/2006CA2598142A1 Method for removing contaminating gaseous components from a natural gas stream
08/23/2006CN1271019C Purification of aromatic hydrocarbon
08/22/2006US7094943 Solution phase biopolymer synthesis
08/22/2006US7094937 Compositions comprising cyclohexamantane
08/17/2006WO2006064368A3 Process for treating solvents
08/16/2006EP1690846A2 Selective hydrogenation of alpha-methyl-styrene to cumene
08/16/2006EP1690052A1 Lng vapor handling configurations and methods
08/16/2006EP1689695A2 Method for producing paraxylene comprising an adsorption step and two isomerization steps
08/16/2006EP1373171B1 Production of olefin dimers and oligomers
08/16/2006CN1817828A High-efficient inhibitor for process of refining phenylethylene and use thereof
08/16/2006CN1269779C Method for extracting lycopene using water melon as raw material
08/16/2006CN1269778C Method and apparatus for preparing solid natural gas
08/16/2006CN1269734C UZM-5, UZM-5p and UZM-6: crystalline aluminosilicate zeolites and processes using the same
08/15/2006US7091389 Subjecting mixture containing aromatic compound isomer to adsorptive separation using a zeolite-containing adsorbent and a desorbent, subjecting desorbent, after it has been collected from the adsorptive separation to a method selected from consisting of distillation, purging, and adsorption
08/15/2006CA2335052C Production of high purity meta-xylene
08/15/2006CA2150398C Compositions and methods for inhibiting vinyl aromatic monomer polymerization
08/10/2006WO2006083923A1 Means for controlling the exothermic reaction of styrenic monomers with sulfonic acids
08/10/2006WO2006083336A2 Process and catalyst for selective hydrogenation of dienes and acetylenes
08/10/2006US20060178545 Recovery of catalysts used in the oligomerization of linear alpha olefins to form poly alpha olefins, particularly, improved recovery of boron trifluoride and boron trifluoride-organic complex catalysts; reducing boron trifluoride usage and emissions associated with poly alpha olefin manufacture
08/10/2006CA2593400A1 Means for controlling the exothermic reaction of styrenic monomers with sulfonic acids
08/09/2006CN1268590C Method for separating catalytic splitting gas of enriching propylene and propane
08/08/2006US7087804 production and transportation of a hydrocarbons in a transport vessels; transportation of Fischer-Tropsch products; nitrogen containing blanketing agent used to reduce corrosion, product biodegradation and oxidation, control invasive species, and prevent fires and explosions by reducing oxygen content
08/08/2006US7087794 Olefin streams are purified by converting ethers such as ethyl methyl ether to other oxygenates and optionally hydrogenating alkynes and/or alkadienes present to form olefins
08/08/2006US7087156 Process for removal of nitrogen containing contaminants from gas oil feedstreams
08/03/2006US20060173224 Process and catalyst for selective hydrogenation of dienes and acetylenes
08/03/2006DE102005003499A1 Preparation of ethylene from hydrocarbon particularly 2 carbon-containing material mixture comprises partially absorbing 2 carbon material, demethanizing and separating 2 carbon material
08/02/2006EP1685088A1 Light hydrocarbon separation using 8-member ring zeolites
08/02/2006EP1526904B1 Method for continuously operated pure distillation of oxiranes, especially propylene oxide
08/02/2006EP1461302A4 Oxidative desulfurization of sulfur-containing hydrocarbons
08/02/2006EP1383775B1 Isoreticular metal-organic frameworks, process for forming the same, and systematic design of pore size and functionality therein,with application for gas storage
08/02/2006CN1812948A Method for producing 1-octene from crack-c4
08/02/2006CN1810757A Process of eliminating and recovering naphthenic acid from oil product
08/02/2006CN1810744A Process of preparing squalene
08/02/2006CN1267389C Method for separating alpha-butylene
08/02/2006CN1267388C Method for separating n-alkane from C5 to C6 alkane isomerized products
08/02/2006CN1267185C Paraxylene sorbent and its preparing method
08/01/2006USRE39222 Process for preparing 2,6-dialkylnaphthalene
08/01/2006US7083680 Sublimation and purification method
08/01/2006US7082787 Recovering of ethylene from light gases at low temperature using a mixed refrigerant
08/01/2006CA2236526C Methods for inhibiting the polymerization of ethylenically unsaturated monomers
07/2006
07/27/2006US20060167329 Reactor
07/27/2006US20060167328 Solvent extraction recovery of an aromatic wherein an aromatic extract is formed that contains the aromatic and non-aromatics that are both lighter than and heavier than the aromatic, analyzing at least two separate groups of lighter and heavier non-aromatics in the extract, determining
07/27/2006US20060166816 Catalysts and processes for selective hydrogenation of acetylene and dienes in light olefin feedstreams
07/27/2006US20060166809 Methods for preparing catalysts
07/27/2006US20060163539 Polymerization inhibitor for aromatic vinyl compounds and method for inhibiting the polymerization of the compounds
07/27/2006US20060162554 Method and system for separating a component from a multi-component gas
07/26/2006EP1682468A1 Method for producing 1-butene
07/26/2006EP1682466A1 Process for the hydrogenation of olefins
07/26/2006EP1480745B1 Supported catalyst treatment
07/26/2006EP1242181B1 Pd-ag supported catalyst for the selective hydrogenation of alkines and dienes
07/26/2006CN1809521A Selective hydrocarbon hydrogenation catalyst and process
07/26/2006CN1809520A Method for obtaining crude 1,3-butadiene from a C4
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