| Patents for C10G 21 - Refining of hydrocarbon oils, in the absence of hydrogen, by extraction with selective solvents (2,651) |
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| 02/09/2005 | EP1409614A4 Continuous process for oxidative desulfurization of fossil fuels with ultrasound and products thereof |
| 02/09/2005 | EP1054940A4 Raffinate hydroconversion process |
| 02/09/2005 | EP1054939A4 Improved wax hydroisomerization process |
| 02/09/2005 | CN1576624A Method for producing hydrodynamic bearing |
| 01/26/2005 | EP1499697A1 Method for the desulphurization of products involved in crude oil fractionation |
| 01/26/2005 | EP1499459A1 Sonication treatment of polychlorinated biphenyl contaminated media |
| 01/19/2005 | CN1185327C Method for reprocessing waste oils, base oils obtained according to said method and use thereof |
| 01/13/2005 | US20050010076 Process for removing polar impurities from hydrocarbons and mixtures of hydrocarbons |
| 01/12/2005 | CN1564858A Process oil and process for producing the same |
| 01/12/2005 | CN1563281A Method for separating and reclaiming spent iron based catalyst and heavy hydrocarbon through Fischer-Tropsch Synthesis in slurry bed |
| 01/12/2005 | CN1563280A Method of separating and reclaiming spent cobalt based catalyst and heavy hydrocarbon throuth Fishcher-Tropsch synthesis in slurry bed |
| 01/06/2005 | WO2005001001A1 Process to manufacture high viscosity hydrocracked base oils |
| 01/06/2005 | US20050000092 Manufacturing Method of Fluid Dynamic Pressure Bearing |
| 01/06/2005 | CA2526088A1 Process to manufacture high viscosity hydrocracked base oils |
| 12/29/2004 | EP1490469A2 Methods and compositions for removing residues and substances from substrates using environmentally friendly solvents |
| 12/09/2004 | US20040245147 Process to manufacture high viscosity hydrocracked base oils |
| 12/08/2004 | CN1178731C Vertical extending liquid/liquid contacting column |
| 12/07/2004 | CA2224037C Solvent deasphalting unit capable of generating power |
| 11/30/2004 | US6824750 Solvent extraction |
| 11/23/2004 | US6821413 Recycling oil; atomizing dissolution, heating and settling |
| 11/17/2004 | EP1021498B1 Aromatics separation process |
| 11/11/2004 | WO2004080928A3 Extraction of oxygenates from a hydrocarbon stream |
| 11/11/2004 | WO2004080927A3 Extraction of oxygenates from a hydrocarbon stream |
| 11/11/2004 | US20040225172 contacting with 1-butyl-3-methylimidazolium tetrafluoroborate or 4-methyl-N-butylpyridinium tetrafluoroborate; eliminates use of metal complexes/compounds as hydrorefining catalysts |
| 10/27/2004 | CN1172886C Process for composite solvent for separating arylhydrocarbon by extraction and distillation |
| 10/14/2004 | US20040200717 Solvent extraction by dissolving the feedstock in a mixture of water and solvent to transfer phenols into the solvent and neutral oils and/or tar bases into a cosolvent layer; separating solvent layer by distillation to yield recovered water and cosolvent overhead and solvent and phenols bottom |
| 10/12/2004 | US6803492 Additives based on components present in petroleum for improving the cold flow properties of crude and distillate oils |
| 10/12/2004 | US6802960 Two stage extraction oil treatment process |
| 10/12/2004 | US6802959 Separation of olefinic hydrocarbons from sulfur-containing hydrocarbons by use of a solvent |
| 10/05/2004 | US6800253 Apparatus and process for improved aromatic extraction from gasoline |
| 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 | US20040182750 Contacting a petroleum feed with a polar organic solvent containing antisolvent, contacting with solvent; distilling the bottom stream , washing the top stream with water followed by fractionating , washing raffinate phase to obtain raffinate hydrocarbons |
| 09/22/2004 | EP1157083B1 Hydrocracking process using bulk group viii/group vib catalysts |
| 09/22/2004 | EP1114126B1 Integration of solvent deasphalting and gasification |
| 09/22/2004 | CN1531663A 光纤接头系统 Fiber optic connector system |
| 09/16/2004 | US20040178125 using a first extracting solvent containing 1,3-dialkyl-2-imidazolidinone |
| 09/14/2004 | US6789950 Optical fiber connector system |
| 09/09/2004 | US20040175307 Apparatus and process for extracting sulfur compounds from a hydrocarbon stream |
| 09/07/2004 | US6786050 System and method for oil fuel burning integrated combined cycle power generation |
| 09/02/2004 | US20040168955 Co-extraction of a hydrocarbon material and extract obtained by solvent extraction of a second hydrotreated material |
| 08/31/2004 | US6783661 Process for producing oils with a high viscosity index |
| 08/28/2004 | CA2457742A1 Co-extraction of hydrocarbon material and extract obtained by solvent extraction of a second hydrotreated material |
| 08/26/2004 | US20040164001 Producing refined oil, petrochemicals, and energy co-products such as ethylene, propylene, fertilizer cement aggregates, electricity, gasoline, distillate transportation fuel and heavy crude diluent |
| 08/25/2004 | CN1163572C Combined process of solvent deasphalting and gasification |
| 08/18/2004 | EP1165724B1 Oil treatment process |
| 08/12/2004 | WO2004067682A1 Production of low sulfur gasoline |
| 08/11/2004 | EP1445298A1 A method of removing aromatic halide compound contamination from oil |
| 08/04/2004 | EP1442001A2 Method for eliminating polarizable impurities from hydrocarbons and hydrocarbon mixtures |
| 08/04/2004 | EP1252255A4 Co2 treatment to remove organically bound metal ions from crude |
| 08/04/2004 | EP1250400A4 Extractive distillation process for the reduction of sulfur species in hydrocarbon streams |
| 07/22/2004 | WO2004061054A1 Preparation of components for refinery blending of transportation fuels |
| 07/15/2004 | WO2004058920A1 Process for extraction of aromatics from petroleum streams |
| 07/06/2004 | US6759438 Use of oxygen analysis by GC-AED for control of fischer-tropsch process and product blending |
| 06/30/2004 | EP1433833A1 Process oil and process for producing the same |
| 06/30/2004 | EP1242155B1 Treatment of extraction solvent to remove acid contaminants |
| 06/29/2004 | US6755974 Multiphase process for extracting mercaptans from cracked naphtha using alkali metal alkylphenylate, alkali metal hydroxide, water, and sulfonated cobalt phthalocyanine |
| 06/24/2004 | US20040118750 Preparation of components for refinery blending of transportation fuels |
| 06/10/2004 | US20040108296 XeF2 gas produced by sublimation in a vacuum atmosphere decomposes and gasifies grease components and removes silicon pieces by etching; with or without water |
| 06/09/2004 | CN1502595A Aromatics separation process and method of retrofitting existing equipment for same |
| 06/02/2004 | CN1152118C Process for improving heavy crude oil production |
| 05/26/2004 | EP1285048A4 Phase-transfer catalyzed destruction of fouling agents in petroleum streams |
| 05/26/2004 | CN1151233C CO2 treatment to remove calcium from crude |
| 05/19/2004 | EP1419218A1 Continuous naphtha treatment method |
| 05/19/2004 | EP1419217A1 Liquid hydrocarbon treatment method |
| 05/06/2004 | US20040084351 Method of refining heavy oil and refining apparatus |
| 05/05/2004 | CN1493657A Sticky crude petroleum pretreatment method |
| 04/29/2004 | WO2003106058A3 Extraction methods and apparatus |
| 04/29/2004 | US20040079676 Using aromatic hydrocarbon as high melting solvent for extraction |
| 04/28/2004 | EP1412460A1 Naphtha desulfurization method |
| 04/28/2004 | EP1412455A1 Continuous liquid hydrocarbon treatment method |
| 04/21/2004 | EP1409614A1 Continuous process for oxidative desulfurization of fossil fuels with ultrasound and products thereof |
| 04/21/2004 | EP1409611A1 Composition and control method for treating hydrocarbon |
| 04/15/2004 | US20040072361 Determining effectiveness of additive that when blended with petroleum oils in low concentration, reduces tendency of oil to foul and coke surfaces |
| 04/15/2004 | US20040069318 Prior to cleaning with XeF2, contacting XeF2 gas with an article to be cleaned, such as a semiconductor, in a reduced-pressure or vacuum atmosphere containing a required amount of water to form HFto be |
| 04/15/2004 | DE10246223A1 Distillation assembly, to separate mixture of two hydrocarbons, has intermediate cooling unit in upper section of desorption column |
| 04/14/2004 | EP1341874A4 Integrated lubricant upgrading process |
| 04/14/2004 | CN1488732A Purifying method of gas sweetening solvent for petroleum hydrocarbons |
| 04/13/2004 | US6720431 Solvent extraction |
| 04/08/2004 | WO2004016715A3 Method and device for purifying a petroleum fraction |
| 04/08/2004 | US20040065589 Deep conversion combining the demetallization and the conversion of crudes, residues or heavy oils into light liquids with pure or impure oxygenated compounds |
| 04/08/2004 | US20040065353 Using extraction fluids under critical temperature, pressure; cleaning hydrocarbons; removal solids form drilling fluids |
| 04/06/2004 | US6717021 Solvating component and solvent system for mesophase pitch |
| 04/01/2004 | WO2003072215A3 Methods and compositions for removing residues and substances from substrates using environmentally friendly solvents |
| 03/31/2004 | EP1289625B1 Method for neutralising a stream of hydrocarbon fluid |
| 03/30/2004 | US6712954 Method for reprocessing waste oils, base oils obtained according to said method and use thereof |
| 03/25/2004 | US20040055208 Splitting bitumens forming bottom fuel emulsion; emulsification, flash separation |
| 03/24/2004 | CN1484543A Apparatus and method for extracting biomass |
| 03/17/2004 | EP1250399A4 Process for solvent extraction of hydrocarbons providing an increased yield of raffinate |
| 03/17/2004 | CN1142258C Process for removing sulfide from gasoline fraction by solvent extraction |
| 03/17/2004 | CN1142257C Process for deacidifying petroleum distillate |
| 03/11/2004 | US20040045874 Processing for eliminating sulfur-containing compounds and nitrogen-containing compounds from hydrocarbon |
| 03/04/2004 | US20040044263 Separation of oxygenates from a hydrocarbon stream |
| 02/26/2004 | WO2004016715A2 Method and device for purifying a petroleum fraction |
| 02/12/2004 | WO2003060040A3 Use of oxygen analysis by gc-aed for control of fischer-tropsch process and product blending |
| 02/11/2004 | EP1141181B1 Method for reprocessing waste oils |
| 02/11/2004 | CN1137962C Method for removing sulfur-containing compound from catalytically cracked gasoline by using polyglycol extraction process |
| 02/04/2004 | CN1137244C Arene extracting process |
| 01/28/2004 | EP1204721A4 Selective extraction using mixed solvent system |
| 01/28/2004 | CN1470606A Method for removing alkali-nitrogen compound from poor wax oil by complex extraction |