| Patents for C07C 7 - Purification, separation orstabilisation of hydrocarbons; Use of additives (13,802) |
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| 10/13/2004 | CN1170793C Process for separating butane and butylene by methyl-enthyl ketone mixing solvent |
| 10/13/2004 | CN1170792C Method for separating C5-C8 materials or intermediate materials |
| 10/12/2004 | US6803483 Process for the purification of mixtures of toluenediisocyanate |
| 10/07/2004 | WO2004085353A2 Palladium-based catalyst for selective hydrogenation of acetylene |
| 10/07/2004 | WO2004085350A1 Catalyst fines handling process |
| 10/07/2004 | WO2004085023A1 Low capital implementation of distributed distillation in ethylene recovery |
| 10/07/2004 | WO2004085022A1 Purification of fluid compounds utilizing a distillation-membrane separation process |
| 10/07/2004 | WO2004057253A3 Lean reflux-high hydrocarbon recovery process |
| 10/07/2004 | US20040198049 Diamondoid-containing low dielectric constant materials |
| 10/07/2004 | US20040198048 Diamondoid-containing field emission devices |
| 10/07/2004 | DE10302457B3 Verfahren zur Herstellung von Butenoligomeren und tert.-Butylethern aus Isobuten-haltigen C4-Strömen A process for producing butene oligomers and tert-butyl ethers from C4 streams containing isobutene |
| 10/06/2004 | EP1463695A1 Para-xylene and ethylbenzene separation from mixed c8 aromatics |
| 10/06/2004 | EP1463694A1 A method for processing an olefin-containing product stream |
| 10/06/2004 | CN1169784C Process for preparing ester from acetic acid and chlorine cyanation in advance |
| 10/05/2004 | CA2250276C Polymerization inhibitor composition |
| 09/30/2004 | WO2004083156A1 Polymerization inhibitor for aromatic vinyl compounds and method for inhibiting the polymerization of the compounds |
| 09/30/2004 | WO2004060840A3 Multicomponent sorption bed for the desulfurization of hydrocarbons |
| 09/30/2004 | US20040192995 chelate compound containing acid and iron compound oxidizer |
| 09/30/2004 | US20040192992 Catalyst fines handling process |
| 09/30/2004 | US20040192986 For olefins; using nickel absorber; prealkylation of aromatic hydrocarbons |
| 09/30/2004 | US20040192984 Hydrocarbon hydrogenation catalyst composition, a process of treating such catalyst composition, and a process of using such catalyst composition |
| 09/30/2004 | US20040192983 On catalyst support with uniform curved surfaces |
| 09/30/2004 | US20040192982 Catalytic hydrogenation; removing by-products |
| 09/30/2004 | US20040187686 Removing contaminants from natural gas |
| 09/29/2004 | EP1461302A1 Oxidative desulfurization of sulfur-containing hydrocarbons |
| 09/29/2004 | EP1309528A4 Regeneration of hydrogen sulfide sorbents |
| 09/29/2004 | CN1168799C Antigelling agent for hydrocarbon mixture containing conjugated and method for preventing clogging of apparatus for separating and purifying mixture |
| 09/29/2004 | CN1168689C Method for purifying and refining piperyene |
| 09/28/2004 | US6797038 An adsorber for selective adsorption to separate ethylene, propylene, butylene from a mixed gas |
| 09/23/2004 | WO2004081149A2 Selective hydrogenation of acetylenes and dienes in a hydrocarbon stream |
| 09/23/2004 | WO2004081147A2 Octane improvement of a hydrocarbon stream |
| 09/23/2004 | WO2004080930A2 Recovery of ethylene and propylene from a methanol to olefin reaction system |
| 09/23/2004 | WO2004080929A2 Production of linear alkyl benzene |
| 09/23/2004 | WO2004080928A2 Extraction of oxygenates from a hydrocarbon stream |
| 09/23/2004 | WO2004080927A2 Extraction of oxygenates from a hydrocarbon stream |
| 09/23/2004 | WO2004080926A2 Production of linear alkyl benzene |
| 09/23/2004 | US20040186337 Crystalline aluminosilicate zeolitic composition: UZM-15 |
| 09/23/2004 | US20040186017 Method for the production of adsorption agent granules based on acid-activated laminar silicates and use thereof as catalyst |
| 09/23/2004 | US20040182786 Providing an integrated separation apparatus; withdrawing from column a fluid stream derived by fractional distillation from a feedstock; distributing stream into a membrane device to separate from stream permeate and non-permeate fluids containing different amounts of compounds; controlling enthalpy |
| 09/23/2004 | US20040182751 For the recovery and partial purification of ethylene from a hydrocarbon feed stream |
| 09/23/2004 | CA2518260A1 Selective hydrogenation of acetylenes and dienes in a hydrocarbon stream |
| 09/22/2004 | EP1458663A1 System and method for purifying cumene hydroperoxide cleavage products |
| 09/22/2004 | EP1458662A1 Adsorptive separation product recovery by fractional distillation |
| 09/22/2004 | EP1458480A1 Process for production of a prereduced selective hydrogenation catalyst |
| 09/22/2004 | EP1326947B1 Isomerisation process |
| 09/22/2004 | CN2642390Y Horizontal type desulfurization device for firedamp |
| 09/16/2004 | WO2004078683A1 Hydrocarbon hydrogenation catalyst composition, a process of treating such catalyst composition, and a process of using such catalyst composition |
| 09/16/2004 | WO2004058665A3 Method for the hydration of hydrocarbon compounds |
| 09/14/2004 | US6790342 Process to produce a dilute ethylene stream and a dilute propylene stream |
| 09/09/2004 | US20040176653 having improved low temperature performance |
| 09/09/2004 | US20040176649 generating ultrafine bubbles in an aqueous solution and spontaneously generating hydrate nuclei by self-compression and collapsing of the ultrafine bubbles |
| 09/09/2004 | US20040176646 Recovery of ethylene and propylene from a methanol to olefin reaction system |
| 09/09/2004 | US20040173529 Liquid-phase separation of low molecular weight organic compounds |
| 09/09/2004 | US20040173500 Production of stable olefinic fischer-tropsch fuels with minimum hydrogen consumption |
| 09/09/2004 | DE19546514B9 Katalysator und dessen Verwendung Catalyst and its use |
| 09/08/2004 | EP1351903B1 A process to remove reaction by-products from a selective hydrogenation effluent stream |
| 09/08/2004 | EP1306444B1 Method for the production of beta-carotene |
| 09/08/2004 | CN1165503C Selective hydrogenation process and catalyst therefor |
| 09/07/2004 | US6787501 Forming a slurry of the synthesized molecular sieve, a binder, and optionally a matrix material for catalytic converting a feedstock to olefin(s), preferably ethylene and/or propylene |
| 09/07/2004 | US6787496 Supported catalyst treatment |
| 09/02/2004 | WO2004074220A1 Acetylene hydrogenation catalyst with segregated palladium skin |
| 09/02/2004 | US20040171903 Methods and systems for purifying styrene feedstock comprising use of low palladium catalyst |
| 09/02/2004 | US20040171897 Apparatus for humidification of hydrocarbon mixtures |
| 09/02/2004 | US20040168955 Co-extraction of a hydrocarbon material and extract obtained by solvent extraction of a second hydrotreated material |
| 09/01/2004 | EP1452219A1 Water-soluble organic material condensation apparatus |
| 09/01/2004 | CN1525006A Technological process for extracting asphalt using waste lincrusta and products thereof |
| 09/01/2004 | CN1164541C Toluene selective disproportion and toluene and C9 and its above aromatic disproportion and alkyl transfusion method |
| 09/01/2004 | CN1164538C Preparing process of high-purity m-pentadiene from C5 fraction as side product of petroleum cracking to produce ethylene |
| 09/01/2004 | CN1164362C Shell catalysts, method for producing the same, and the use thereof |
| 08/31/2004 | US6784334 Process for separating multibranched paraffins using a zeolitic adsorbent with a mixed structure |
| 08/31/2004 | US6783659 Deethanizing cracked gas stream to produce a c2-stream and a c3+ stream; hydrogenating acetylene to produce ethylene; hydrogenating methylacetylene and propadiene to propylene and propane |
| 08/31/2004 | US6783589 Diamondoid-containing materials in microelectronics |
| 08/28/2004 | CA2457742A1 Co-extraction of hydrocarbon material and extract obtained by solvent extraction of a second hydrotreated material |
| 08/25/2004 | EP1448500A1 Oxygenated hydrocarbon compositions and method for recovering the compositions |
| 08/25/2004 | EP1448283A1 Method for performing the purifying separation of crystals out of their suspension in a mother liquor |
| 08/25/2004 | EP1353750B1 Stable free nitroxyl radicals as oxidation catalysts and process for oxidation |
| 08/25/2004 | CN1524006A Ionic liquids as selective additives for separation of close-boiling or azeotropic mixtures |
| 08/25/2004 | CN1522995A Sulphonation process for producing dye dispersant and concrete water reducing agent |
| 08/25/2004 | CN1163289C Cascade reboiling of ethylbenzene/styrene columns |
| 08/19/2004 | WO2004070297A1 Removing contaminants from natural gas |
| 08/19/2004 | WO2004070189A2 Production of stable olefinic fischer tropsch fuels with minimum hydrogen consumption |
| 08/19/2004 | US20040162456 modifying the rheological properties of the suspensions of crystals of hydrates by the addition of additives such as polymers which are soluble in the hydrocarbons |
| 08/19/2004 | US20040159233 such as H2, CO2, and/or N2 from hydrocarbons, and hydrocarbons from one another using a selectively permeable aromatic polyimide membrane; good resistance to plasticization by hydrocarbon components under practical industrial process conditions |
| 08/19/2004 | CA2569069A1 Removing contaminants from natural gas by cooling |
| 08/19/2004 | CA2515139A1 Removing contaminants from natural gas |
| 08/19/2004 | CA2457281A1 Method of preventing sedimentation of gas hydrate crystals |
| 08/18/2004 | EP1447395A1 THE SELECTIVE DISMUTATION PROCESS OF TOLUENE AND THE DISMUTATION AND TRANSALKYLATION PROCESS OF TOLUENE AND AROMATIC HYDROCARBONS OF C9 AND C9&plus |
| 08/18/2004 | EP1446659A2 Systems and methods for the generation of crystalline polymorphs |
| 08/18/2004 | EP1315563A4 Selective hydrogenation catalyst and processes therefor and therewith |
| 08/18/2004 | EP1280745A4 Process for the production of gasoline stocks |
| 08/18/2004 | EP1218323A4 Hydrogenation of benzene to cyclohexane |
| 08/18/2004 | EP0826021B1 Process for the removal of mercaptans and hydrogen sulfide from hydrocarbon streams |
| 08/18/2004 | CN1522175A Process for activating or regenerating a basic metal oxide catalyst useful for olefin isomerization |
| 08/18/2004 | CN1162390C Ethylene recovery system |
| 08/18/2004 | CN1162380C Separation method of cracked C5 fraction |
| 08/17/2004 | US6776821 Fixing material for gaseous hydrocarbon and use thereof, and method for solidifying hydrocarbon |
| 08/12/2004 | US20040157732 Treating an activated metalloaluminophosphate molecular sieve with one or more nitrogen containing compounds (aliphatic, aromatic, hetetrocycic or organonitrile compounds) to chemisorb and/or physisorb nitrogen-compound |
| 08/12/2004 | US20040154980 Coating a solution of a polymer, a silver salt and a phthalate onto a support and drying in a condition free from light and oxygen. |
| 08/11/2004 | EP1177161B1 Process for separating olefins from saturated hydrocarbons |
| 08/11/2004 | CN1520388A Humidification of hydrocarbon mixtures for use in polymer synthesis |