| Patents for C07C 7 - Purification, separation orstabilisation of hydrocarbons; Use of additives (13,802) |
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| 03/14/2001 | EP1082280A1 Method for stabilizing unsaturated organic compounds from polymerization |
| 03/13/2001 | US6200461 Method for inhibiting polymerization of ethylenically unsaturated hydrocarbons |
| 03/13/2001 | US6200460 Mixture comprising vinyl aromatic compound, active amount of mixture which inhibits the premature polymerization of said compound comprising noxyl compound, iron compound, optionally nitro compounds and costabilizers |
| 03/13/2001 | US6200366 Separation of alkenes and alkanes |
| 03/08/2001 | WO2001016061A1 Method for producing 2,6-dimethylnaphthalene |
| 03/08/2001 | CA2381862A1 Method for manufacturing 2,6-dimethylnpththalene |
| 03/07/2001 | EP1081165A1 Method of dehalogenating hydrocarbon containing carbon-carbon double bond |
| 03/07/2001 | EP1081121A2 Method for producing aromatic compound isomers |
| 03/07/2001 | EP1080163A1 Composition and method for radical polymerisation of ethylenically unsaturated monomers |
| 03/07/2001 | EP1080056A1 Olefin purification by adsorption of acethylenics and regeneration of adsorbent |
| 03/07/2001 | CN1286671A Ethylene plant refrigeration system |
| 03/07/2001 | CN1286241A Process for separating light olefine from alkane |
| 03/07/2001 | CN1062849C Method and purification of alpha-olefines for polymerization |
| 03/01/2001 | WO2001014293A1 Process for separating olefins from saturated compounds |
| 03/01/2001 | WO2001014292A1 Process for separating linear alpha olefins from a stream containing saturated hydrocarbons, internal olefins, branched olefins and linear alpha olefins |
| 03/01/2001 | DE19929482A1 Membrane production for olefin/paraffin separation, comprises use of polymer matrix containing transition metal salt which reversibly complexes unsaturated organic compounds and avoids addition of water or alcohol to the feed |
| 03/01/2001 | CA2382400A1 Process for separating olefins from saturated compounds |
| 03/01/2001 | CA2382392A1 Process for separating linear alpha olefins from a stream containing saturated hydrocarbons, internal olefins, branched olefins and linear alpha olefins |
| 02/28/2001 | EP1078905A1 Process for the preparation of substituted cyclopentadienes |
| 02/28/2001 | EP1078669A1 Process and crystallizer for purifying materials or mixtures thereof |
| 02/28/2001 | CN1285811A Method for producing 2,6-DMN from mixed dimethylnaphthalenes by crystallization, adsorption and isomerization |
| 02/28/2001 | CN1285338A Preparation of C5-C6-olefines |
| 02/28/2001 | CN1285337A Transfer process for multi-phase alkylate-alkyl |
| 02/28/2001 | CN1062546C Method for separating cyclohexene |
| 02/27/2001 | US6194622 Method for inhibiting hydrate formation |
| 02/27/2001 | CA2080113C Process for the removal of carbon monoxide from alpha-olefins and saturated hydrocarbons |
| 02/23/2001 | CA2316666A1 Multi-phase alkylation-transalkylation process |
| 02/22/2001 | WO2001012635A1 Removal of dissolved silicates from alcohol-silicon direct synthesis solvents |
| 02/22/2001 | WO1999065601A8 A mixed phase ethylation system for producing ethylbenzene |
| 02/21/2001 | EP1076639A1 Process for the hydrogenation of phenyl acetylene in a styrene-containing medium with the aid of a catalyst |
| 02/21/2001 | EP1076638A1 Method for separating a c 4? hydrocarbon mixture |
| 02/21/2001 | CN1284985A Mitigating fouling and reducing viscosity |
| 02/20/2001 | US6190536 Distillation, cooling, compression, absorption, membrane separation |
| 02/15/2001 | DE10033961A1 Separation of 2-5C olefins from a paraffin mixture optionally containing hydrogen, comprises contacting the mixture with an aqueous solution of a silver compound and an iron (III) compound. |
| 02/14/2001 | CN1284051A Method for murifying norbornene by distillation |
| 02/13/2001 | US6187987 Recovery of aromatic hydrocarbons using lubricating oil conditioned membranes |
| 02/13/2001 | US6187980 Hydrogenation of benzene to cyclohexane |
| 02/08/2001 | WO2001008796A1 Method for producing catalysts by acid activation |
| 02/07/2001 | CN1061640C Method for preparing industrial phenauthrene |
| 02/06/2001 | US6184431 Process for separating internal and alpha olefins from saturated compounds |
| 02/01/2001 | WO2001007383A1 Method for purifying olefin-containing supply flows in polymerisation or alkylation processes |
| 02/01/2001 | DE19935914A1 Verfahren zur Herstellung von Katalysatoren durch Säureaktivierung A method for preparing catalysts by acid activation |
| 02/01/2001 | DE19935885A1 Production of 1-(aryl)alkyl-3-hydrocarbyl-cyclopentadienes, for preparing metallocene component of olefin polymerization catalyst, involves converting cyclopentenone to alcoholate and dehydration in water-immiscible solvent |
| 02/01/2001 | DE19934144A1 Verfahren zur Reinigung von Olefine enthaltenden Zufuhrströmen in Polymerisations- oder Alkylierungsverfahren A process for purification of olefins-containing feed streams in polymerization or alkylation |
| 01/31/2001 | CN1282363A Process for recovering olefins |
| 01/31/2001 | CN1061333C Method for separating alpha-olefin by distilling liquid containing ethene and 1-butene |
| 01/30/2001 | US6180843 Method for producing gas hydrates utilizing a fluidized bed |
| 01/30/2001 | CA2223042C Hydrocarbon gas processing |
| 01/30/2001 | CA2026788C Polyimide/aliphatic polyester copolymers |
| 01/25/2001 | WO2001005914A2 Separating facility for separating a polyglycol and ethylene mixture |
| 01/25/2001 | WO2001005734A1 Process for the separation of isobutene from normal butenes |
| 01/25/2001 | WO2000064555A3 Solvent extraction process |
| 01/25/2001 | WO2000061527A3 The use of metal dithiolene complexes in selective olefin recovery |
| 01/24/2001 | EP1070695A1 A process for the purification of a diolefin hydrocarbon stream |
| 01/24/2001 | CN1281543A Gas hydrate storage reservoir |
| 01/24/2001 | CN1281422A Process for separating liner internal olefins from branched internal olefins |
| 01/24/2001 | CN1281421A Gas hydrate regassification method and apparatus using steam heated gas or liquid |
| 01/24/2001 | CN1281420A Method and apparatus for producing gas hydrates |
| 01/24/2001 | CN1280977A Process for separating p-xylene with hydrophobic silicic zeolite by selective adsorption |
| 01/24/2001 | CN1280976A Process for separating butane from butene with dimethyl formamide and its mixture |
| 01/24/2001 | CN1061022C Transalkylation of polyalkylaromatic hydrocarbons |
| 01/24/2001 | CN1061021C Method for inactivating catalyst in preparation of linear alpha-olefin by oligomerizing ethene with catalyst |
| 01/23/2001 | US6177604 Process for co-production and separation of ethylbenzene and paraxylene |
| 01/22/2001 | CA2314361A1 A process for the purification of a diolefin hydrocarbon stream |
| 01/18/2001 | DE19932060A1 Verfahren zur Herstellung von C¶5¶-/C¶6¶-Olefinen A process for preparing C¶5¶- / C¶6¶-olefins |
| 01/17/2001 | EP1069101A1 Process for the preparation of C5-/C6-olefins |
| 01/17/2001 | EP1069098A1 Process for the synthesis of cyclododecatrienes with recycling of the catalyst |
| 01/17/2001 | EP1068166A1 Process and apparatus for the production and recovery of p-xylene |
| 01/17/2001 | CN1280118A Recovering process for C2 and C3 material from stopped ethylene plant |
| 01/17/2001 | CN1060783C Adsorption method of chelatometric metalloorganic compound and alumina particle containing it |
| 01/16/2001 | US6175049 Purification by fractional distillation |
| 01/16/2001 | US6174480 Method for eliminating inhibitors of polymerization of monomer mixtures using an alumina with optimized form |
| 01/13/2001 | CA2313709A1 Process for preparing cyclododecatrienes with recycling of the catalyst |
| 01/11/2001 | DE19931711A1 Trennverfahren Separation processes |
| 01/10/2001 | EP1067104A1 Separation process |
| 01/10/2001 | EP1066226A1 Synthesis and isomerization of 1,2-bis (indenyl) ethanes |
| 01/10/2001 | CN1279662A Preparation of ethylene by gas permeation |
| 01/09/2001 | US6172103 Treating bone disorders, osteoporosis, and arthritis |
| 01/09/2001 | US6171449 Cascade reboiling of ethylbenzene/styrene columns |
| 01/04/2001 | WO2001000559A1 Ethylene recovery system |
| 01/03/2001 | EP1064340A1 Mitigating fouling and reducing viscosity |
| 01/03/2001 | CN1278523A Catalyst for normal temperature elimination of minute amount of arsenide in hydrocarbon and preparation method thereof |
| 01/02/2001 | US6169218 Selective hydrogenation of highly unsaturated compounds in hydrocarbon streams |
| 01/02/2001 | US6168769 Contaminated with carbon dioxide; contacting said fluid with sodium hydroxide, potassium hydroxide, magnesium hydroxide or combinations of two or more thereof, and silica |
| 12/27/2000 | EP0946470A4 A method for preventing or retarding the formation of gas hydrates |
| 12/27/2000 | CN1278291A Aromatics separation process and method of retrofitting existing equipment for same |
| 12/26/2000 | US6166279 Preparation of olefins |
| 12/26/2000 | US6166278 Use of naturally acid smectites to remove olefins from aromatics or aromatic mixtures and processes therewith |
| 12/26/2000 | US6166237 Removal of dissolved silicates from alcohol-silicon direct synthesis solvents |
| 12/26/2000 | US6165481 Highly pure squalane, raw material for pharmaceuticals and cosmetics prepared by using the same and method for producing the same |
| 12/26/2000 | US6165368 Introducing into processing train liquid solvent having at least one hydroxyl group and specified boiling point, passing through train, recovering |
| 12/21/2000 | WO2000076943A1 Method for preventing undesired polymerisation in a mixture of substances containing ethylenically unsaturated compounds |
| 12/20/2000 | EP1061059A1 Polymerization-inhibiting composition, polymerization inhibitor and method for inhibiting polymerization |
| 12/20/2000 | EP1060776A1 Use of raffinate line flush in a simulated continuous moving bed adsorptive separation process |
| 12/20/2000 | CN1059657C Method for refining beta-methyl naphthalene from coal-tar oil crude methyl naphthalene |
| 12/19/2000 | US6162644 Monitoring entire operation state of process within 15 minutes in an on-line manner; extracting samples, cooling to appropriate temperature, analyzing sample, sending data to an operator, operator adjusts appropriate valves |
| 12/19/2000 | US6162262 Elongated enclosure |
| 12/14/2000 | WO2000074807A1 System for injecting a by-pass fluid in a separation method in a simulated moving bed |
| 12/14/2000 | DE19926758A1 Verfahren zur Verhinderung unerwünschter Polymerisation in einem ethylenisch ungesättigte Verbindungen enthaltenden Stoffgemisch A process for preventing undesired polymerization in a mixture containing ethylenically unsaturated compounds |
| 12/14/2000 | CA2274353A1 Use of raffinate line flush in a simulated continuous moving bed adsorptive separation process |