| Patents for C10G 19 - Refining hydrocarbon oils, in the absence of hydrogen, by alkaline treatment (954) |
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| 06/03/2008 | US7381309 Prewash section for converting hydrogen sulfide to sodium sulfide by reaction with an alkali such as caustic prepares the hydrocarbon stream for extraction; spent alkali is continuously withdrawn and regenerated alkali is continuously added to the prewash section. |
| 05/07/2008 | EP1485187B1 Regeneration of caustic solutions |
| 05/06/2008 | US7368051 Contacting a fuel with an acid or anhydride corrosion inhibitor compound; contacting the initial fuel with a caustic material to provide the fuel without subsequent addition of a corrosion inhibitor |
| 04/30/2008 | CN101171325A Method for producing base lubricating oil from waste oil |
| 04/16/2008 | CN101161787A Method for oil-alkali separation of oil-containing alkali liquor |
| 04/10/2008 | WO2008040100A2 Pre-treatment process for hydrocarbon-based liquid fuels and hydrocarbon-based fuels |
| 04/02/2008 | EP1904407A2 Process for treating a sulfur-containing spent caustic refinery stream using a membrane electrolyzer powered by a fuel cell |
| 04/01/2008 | CA2367336C Method of removing contaminants from petroleum distillates |
| 03/26/2008 | CN101148602A Alkaline purifying agent |
| 03/11/2008 | US7342145 Process for refining liquefied petroleum gas in a commercial scale |
| 03/05/2008 | EP1315785B1 Process for removing low amounts of organic sulfur from hydrocarbon fuels |
| 02/05/2008 | US7326333 Apparatus and process for extracting sulfur compounds from a hydrocarbon stream |
| 02/05/2008 | CA2321300C Spent caustic pretreatment and enhanced oxidation process |
| 01/29/2008 | US7323342 Method for improving oil desalting by forming unstable water-in-oil emulsions |
| 01/22/2008 | US7320748 Thermally stable jet prepared from highly paraffinic distillate fuel component and conventional distillate fuel component |
| 01/16/2008 | CN100362083C Atomizing air drying processing technique for alkali washing raffinate alkali residue of refining oil |
| 01/03/2008 | US20080000808 Continuous purification of used motor oil using sodium/ potassium hydroxide and phase transfer catalyst (ethylene glycol); distillation; recycling |
| 01/02/2008 | CN100358977C Method for preparing catalyst |
| 12/19/2007 | EP1866390A2 Method for producing base lubricating oil from waste oil |
| 12/12/2007 | CN101087866A Method for preparing polyiolefinic bases of synthetic oils |
| 12/12/2007 | CN101085931A Method for preparing basic purificant and use thereof |
| 12/06/2007 | US20070278133 Modifying the blending of two antagonistic distillate components based upon the thermal stability of the blend; breakpoint value of 260 degrees C. or greater; for use in jet turbines |
| 11/28/2007 | CN101077981A Method for regenerating alkali liquor containing sodium thioalcohol |
| 11/13/2007 | CA2477006C Regeneration of caustic solutions |
| 11/07/2007 | CN100347273C Complex extracting and dephenolizing method for alkaline slag of smeltery |
| 10/25/2007 | WO2006096396A3 Method for producing base lubricating oil from waste oil |
| 10/24/2007 | CN101058745A Removal and recovery of naphthenic acid in oil based on ion switch principle |
| 10/17/2007 | CN101054532A Method and device for rotational flow alkali removing |
| 10/11/2007 | WO2007057165A3 Method for removing odours from liquid hydrocarbons |
| 09/12/2007 | EP1831332A1 Method of removing sulfur from sulfur-containing hydrocarbon streams |
| 09/11/2007 | US7267760 Continuous purification of used motor oil using sodium/ potassium hydroxide and phase transfer catalyst (ethylene glycol); distillation; recycling |
| 09/04/2007 | CA2306235C Gas treating solution corrosion inhibitor |
| 08/14/2007 | CA2173643C Continuous in-situ combination process for upgrading heavy oil |
| 07/17/2007 | US7244352 Selectively hydroprocessing a petroleum feedstream containing cracked naphtha and sulfur-compound to produce a first naptha product containing mercaptan reversion sulfur having atleast 5 carbon atom, and olefin, removing sulfur; two step process |
| 07/12/2007 | WO2007078416A2 Very low sulfur heavy crude oil and process for the production thereof |
| 07/11/2007 | CN1325611C Process for sulfur reduction in naphtha streams |
| 07/10/2007 | CA2282632C Spent caustic (pre)treatment process |
| 07/04/2007 | CN1990828A Method and device for lye extraction desulfurization |
| 06/26/2007 | CA2231660C Process for decreasing the corrosivity and acidity of petroleum crudes |
| 06/19/2007 | CA2163913C Process for the removal of elemental sulfur from fluids by mixing said fluid with an immiscible solution of alcoholic caustic and an inorganic sulfide or hydrosulfide |
| 06/13/2007 | EP1794261A1 Desulfurizing organosulfur heterocycles in diesel with supported sodium |
| 06/05/2007 | US7226533 For petroleum oils; eliminating extraction solvent, then flashing, vaporizing, separating light fractions in presence of reducing agent, and distilling vacuum gas-oils |
| 05/30/2007 | EP1789519A1 Method for reducing the level of elemental sulfur and total sulfur in hydrocarbon streams |
| 05/30/2007 | EP1789518A2 Emulsion neutralization of high total acid number (tan) crude oil |
| 05/24/2007 | WO2007057165A2 Method for removing odours from liquid hydrocarbons |
| 05/23/2007 | CN1317361C Heavy oil desulfurizer and its production process |
| 05/22/2007 | CA2163915C Dynamic mixer process with continuous caustic phase for removal of elemental sulfur from organic fluids |
| 05/09/2007 | EP1781760A1 Process to upgrade oil using metal oxides |
| 05/09/2007 | CN1961060A Apparatus and process for extracting sulfur compounds from a hydrocarbon stream |
| 05/02/2007 | CN1313571C Prepn process of deacidifying catalyst |
| 04/25/2007 | CN1954049A Viscoelastic upgrading of heavy oil by altering its elastic modulus |
| 04/18/2007 | EP1773967A1 Viscoelastic upgrading of heavy oil by altering its elastic modulus |
| 03/28/2007 | EP1765961A1 Naphtha hydroprocessing with mercaptan removal |
| 03/20/2007 | CA2227947C Process for decreasing the acid content and corrosivity of crudes |
| 02/07/2007 | CN1298813C Process for treating oil by alkali washing |
| 01/02/2007 | CA2325725C Conversion of heavy petroleum oils to coke with a molten alkali metal hydroxide |
| 12/20/2006 | CN1290970C Method for prevention of fouling in basic solution by inhibiting polymerization and solubilizing deposits using lactams or amino acids |
| 12/14/2006 | WO2006133262A2 Processing unconventional and opportunity crude oils using zeolites |
| 12/13/2006 | CN1876765A Acid oil sludge pretreatment process |
| 12/07/2006 | US20060272983 Processing unconventional and opportunity crude oils using zeolites |
| 11/09/2006 | WO2006031432A3 Emulsion neutralization of high total acid number (tan) crude oil |
| 09/08/2006 | WO2006092092A1 Treatment method for atomizing and air-drying spent caustic solution and residue from oil refinery |
| 08/02/2006 | CN1267534C Method for regenerating used oils by means of extraction with solvents |
| 07/06/2006 | WO2006071506A1 Method of removing sulfur from sulfur-containing hydrocarbon streams |
| 07/06/2006 | WO2006071135A1 Method for preparing polyiolefinic bases of synthetic oils |
| 06/14/2006 | EP1501910A4 Method for prevention of fouling in basic solution by inhibiting polymerization and solubilizing deposits using lactams or amino acids |
| 05/24/2006 | EP1255602B1 Vertical extending liquid/liquid contacting column |
| 05/24/2006 | CN1257254C Process for removing low amounts of organic sulfur from hydrocarbon fuels |
| 04/26/2006 | EP1559768B1 Method of regenerating used oils by means of extraction with solvents |
| 04/19/2006 | CN1760339A Method for preparing catalyst |
| 04/18/2006 | US7029573 Composition and control method for treating hydrocarbon |
| 04/13/2006 | WO2006039125A1 Desulfurizing organosulfur heterocycles in diesel with supported sodium |
| 04/13/2006 | CA2579679A1 Desulfurizing organosulfur heterocycles in diesel with supported sodium |
| 03/29/2006 | CN1752186A Atomizing air drying processing technique for alkali washing raffinate alkali residue of refining oil |
| 03/23/2006 | WO2006031432A2 Emulsion neutralization of high total acid number (tan) crude oil |
| 03/23/2006 | CA2578589A1 Emulsion neutralization of high total acid number (tan) crude oil |
| 03/21/2006 | US7014751 Contacting in the absence of oxygen, with two phases of water, dissolved alkali metal hydroxide, cobalt phthalocyanine sulfonate, and dissolved alkylphenylates |
| 03/16/2006 | US20060054538 Emulsion neutralization of high total acid number (TAN) crude oil |
| 03/01/2006 | CN1740277A Prepn process of deacidifying catalyst |
| 03/01/2006 | CN1740276A Technological process of eliminating naphthenic acid from diesel oil |
| 02/23/2006 | CA2573470A1 Method for reducing the level of elemental sulfur and total sulfur in hydrocarbon streams |
| 02/07/2006 | US6994983 Determining asprin dosage by measuring concentration of metabolitein urine using antbody and color indicator; side effect reduction; drug resistance; kits |
| 01/19/2006 | WO2006007034A1 Naphtha hydroprocessing with mercaptan removal |
| 01/19/2006 | US20060011517 producing low sulfur fuels by desulfurization; contacting with aqueous solution of water, a caustic, and metal sulfide( Na2s) resulting in aqueous phase and a hydrocarbon phase containing reduced levels of both elemental sulfur and total sulfur |
| 01/19/2006 | US20060011516 Method for reducing the level of elemental sulfur and total sulfur in hydrocarbon streams |
| 01/17/2006 | US6986839 Method for prevention of fouling in basic solution by inhibiting polymerization and solubilizing deposits using amino acids |
| 12/29/2005 | US20050284794 Naphtha hydroprocessing with mercaptan removal |
| 12/28/2005 | EP1066100B1 Spent caustic pretreatment and enhanced oxidation process |
| 12/22/2005 | WO2005121279A1 Apparatus and process for extracting sulfur compounds from a hydrocarbon stream |
| 12/22/2005 | CA2567701A1 Apparatus and process for extracting sulfur compounds from a hydrocarbon stream |
| 12/21/2005 | EP1027124B1 Methods of inhibiting foam formation in alkanolamine systems |
| 12/01/2005 | WO2005113707A1 Viscoelastic upgrading of heavy oil by altering its elastic modulus |
| 11/24/2005 | US20050258075 Viscoelastic upgrading of heavy oil by altering its elastic modulus |
| 11/16/2005 | EP1501912B1 Method of reducing hydrolysis in hydrocarbon streams |
| 11/09/2005 | CN1693423A Process for treating oil by alkali washing |
| 11/09/2005 | CN1226389C Technological method for removing naphthenic acid from crude oil and distillated oil |
| 11/01/2005 | US6960291 Naphtha desulfurization method |
| 10/26/2005 | CN1687317A Treating agent without adding hydrogen for coking diesel oil and refining technique |
| 10/19/2005 | CN1683475A Complex extracting and dephenolizing method for alkaline slag of smeltery |
| 10/18/2005 | US6955753 Treatment of crude oils |