Patents for C10G 19 - Refining hydrocarbon oils, in the absence of hydrogen, by alkaline treatment (954) |
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07/08/2003 | CA2235691C A process to upgrade crude oils by destruction of naphthenic acids, removal of sulfur and removal of salts |
07/03/2003 | US20030124615 Thromoboxane B2 metabolite and methods for regulating aspirin-related platelet action |
06/26/2003 | US20030116469 Stable fuel blend; jet turbine |
06/19/2003 | WO2003050207A1 Process for sulfur reduction in naphtha streams |
06/18/2003 | CN1111582C Process for treating waste lye of refining oil products in petroleum refining industry |
06/04/2003 | EP1315785A1 Process for removing low amounts of organic sulfur from hydrocarbon fuels |
05/22/2003 | US20030094414 Multiphase process for extracting mercaptans from cracked naphtha using alkali metal alkylphenylate, alkali metal hydroxide, water, and sulfonated cobalt phthalocyanine |
05/21/2003 | CN1418934A Techonlogical method for removing naphthenic acid from crude oil and distillated oil |
05/20/2003 | US6565740 Extracting the mercaptanes using aqueous or alcoholic solution of alkali metal hydroxide in presence of a metal phthalocyanine sulphonamide catalyst; converting mercaptanes present in extract to disulphide |
05/08/2003 | US20030085181 Contacting hydrocarbon containing mercaptan in absence of oxygen with composition containing water, dissolved alkali metal hydroxide, cobalt phthalocyanine sulfonate, and dissolved alkylphenylates, separating upgraded hydrocarbon |
05/07/2003 | CN1416457A Reducing undesired polymerization in hydrocarbon cracking processes |
05/01/2003 | WO2003035807A1 Thermally stable jet prepared from highly paraffinic distillate fuel component and conventional distillate fuel component |
04/16/2003 | EP1200538A4 Process for treatment of petroleum acids |
04/02/2003 | EP1210401A4 Method of removing contaminants from petroleum distillates |
04/02/2003 | EP1109879B1 Process for reducing total acid number of crude oil |
04/02/2003 | CN1408017A Treatment of crude oils |
03/20/2003 | US20030052046 Contacting in the absence of oxygen, with two phases of water, dissolved alkali metal hydroxide, cobalt phthalocyanine sulfonate, and dissolved alkylphenylates |
03/20/2003 | US20030052045 Composition and control method for treating hydrocarbon |
03/20/2003 | US20030052044 Hydrotreating the naphtha, and removing mercaptans using a caustic extractant |
03/19/2003 | CN1403539A Chemical refining process of eliminating unsoluble oxides and gum from diesel oil |
03/12/2003 | EP1027124A4 Methods of inhibiting foam formation in alkanolamine systems |
03/11/2003 | US6531055 Method for reducing the naphthenic acid content of crude oil and fractions |
03/05/2003 | CN1400918A Vertical extending liquid/liquid contacting column |
03/05/2003 | CN1102635C Method for preparing solid alkali for oil refinery |
02/26/2003 | EP1285051A2 Mercaptan removal from petroleum streams |
02/26/2003 | EP1285048A1 Phase-transfer catalyzed destruction of fouling agents in petroleum streams |
02/26/2003 | EP1285047A1 Selective hydroprocessing and mercaptan removal |
02/26/2003 | EP1285044A2 Method for reducing the naphthenic acid content of crude oil and its fractions |
02/26/2003 | EP1285043A1 Caustic extraction of mercaptans |
02/19/2003 | EP0935644B1 Process for decreasing the acid content and corrosivity of crudes |
01/30/2003 | US20030019793 Mercaptan removal from petroleum streams (law950) |
01/15/2003 | EP1274811A2 Method for denitrogenating crude fractions |
01/02/2003 | EP1270704A1 A process for removing sulfur compounds from hydrocarbon streams |
12/27/2002 | WO2002102940A1 Naphtha desulfurization method |
12/27/2002 | WO2002102936A1 Liquid hydrocarbon treatment method |
12/27/2002 | WO2002102935A1 Continuous liquid hydrocarbon treatment method |
12/27/2002 | WO2002102934A1 Composition and control method for treating hydrocarbon |
12/27/2002 | WO2002102933A1 Continuous naphtha treatment method |
12/27/2002 | CA2449908A1 Continuous liquid hydrocarbon treatment method |
12/27/2002 | CA2449902A1 Continuous naphtha treatment method |
12/27/2002 | CA2449761A1 Liquid hydrocarbon treatment method |
12/27/2002 | CA2449759A1 Composition and control method for treating hydrocarbon |
12/11/2002 | CN1384174A Prepn for eliminating thiols sulfur compound of light oil or liquefied petroleum gas and its elimination process |
12/11/2002 | CN1095869C Method for removing nitride from oil |
12/04/2002 | CN1382770A Process for removing trace hydrogen sulfide from light oil |
12/04/2002 | CN1095388C Dechlorinating agent and its preparing method |
12/03/2002 | US6488840 Longer chain mercaptans above five carbon atoms; phase transfer catalyst is a quaternary ammonium hydroxide |
11/14/2002 | US20020166799 Process for sweetening of LPG, light petroleum distillates by liquid-liquid extraction using metal phthalocyanine sulphonamide catalyst |
11/13/2002 | EP1255602A1 Vertical extending liquid/liquid contacting column |
10/29/2002 | US6471852 Phase-transfer catalyzed destruction of fouling agents in petroleum streams |
10/17/2002 | US20020148754 Integrated preparation of blending components for refinery transportation fuels |
10/03/2002 | US20020139714 Method for reducing the level of elemental sulfur and total sulfur in hydrocarbon streams |
10/03/2002 | US20020139710 Increasing the extraction of the carbonyl impurities during the caustic washing of hydrocarbon streams |
09/25/2002 | EP1149141B1 Method for demetallating petroleum streams |
09/18/2002 | EP1171554A4 Method of removing contaminants from used oil |
09/11/2002 | EP1238044A1 Treatment of crude oils |
09/10/2002 | CA2186806C Method and composition for sweetening liquified petroleum gas |
08/15/2002 | WO2002062925A2 Integrated preparation of blending components for refinery transportation fuels |
07/25/2002 | WO2001079386A3 Method for reducing the naphthenic acid content of crude oil and its fractions |
07/04/2002 | WO2001079385A3 Method for denitrogenating crude fractions |
06/28/2002 | CA2366224A1 Method for reducing the level of elemental sulfur and total sulfur in hydrocarbon streams |
06/18/2002 | US6406616 Process for removing low amounts of organic sulfur from hydrocarbon fuels |
06/11/2002 | US6402940 Using hydrogen peroxide oxidizer |
06/05/2002 | EP1210401A1 Method of removing contaminants from petroleum distillates |
06/04/2002 | US6398948 Method of removing contaminants from used oil |
05/14/2002 | US6387348 Method for treating spent caustic streams |
05/10/2002 | WO2002036715A1 Reducing undesired polymerization in hydrocarbon cracking processes |
05/10/2002 | CA2689976A1 Reducing undesired polymerization in hydrocarbon cracking processes |
05/02/2002 | WO2002034863A1 Removal of mercaptans from hydrocarbon streams using ionic liquids |
05/02/2002 | EP1200538A1 Process for treatment of petroleum acids |
05/02/2002 | CA2426770A1 Removal of mercaptans from hydrocarbon streams using ionic liquids |
04/24/2002 | CN1345912A Preparation of chemical agent for removing hydrogen sulfide from liquid hydrocarbon and use method thereof |
04/16/2002 | US6372122 Phase transfer catalyst, distillation, solvent extraction |
04/16/2002 | US6372121 Alpha-amino acids, esters, amides or salts or mercaptoacetic acid or ester which convert carbonyl compounds to stable water soluble derivatives |
04/03/2002 | CN1342743A Process for deacidifying from petroleum distillate |
03/20/2002 | EP1044054A4 Electrolytic process for treating aqueous waste streams |
03/14/2002 | US20020029997 Contacting sulfur containing fuel with aqueous oxidizing solution comprising hydrogen peroxide and formic acid |
03/07/2002 | WO2002018519A1 Process for the deacidification of crude oil |
03/07/2002 | WO2002018518A1 Process for removing low amounts of organic sulfur from hydrocarbon fuels |
03/07/2002 | CA2420699A1 Process for removing low amounts of organic sulfur from hydrocarbon fuels |
03/05/2002 | US6352640 Caustic extraction of mercaptans (LAW966) |
02/21/2002 | WO2001081501A3 Method for demercaptanizing hydrocarbon stock |
02/14/2002 | WO2001079380A3 Mercaptan removal from petroleum streams |
02/13/2002 | EP1066360B1 Removal of naphthenic acids in crude oils and distillates |
02/13/2002 | CN1335353A Comprehensive acid sludge and caustic sludge treating process |
01/30/2002 | EP1068280B1 Removal of naphthenic acids in crude oils and distillates |
01/30/2002 | CN1333323A Dynamic tester for alkali refining anti-emulsion of diesel oil |
01/16/2002 | EP1171554A1 Method of removing contaminants from used oil |
01/16/2002 | CN1330968A Process for comprehensive treatment of acid and alkali dregs |
12/12/2001 | CN1326498A Method for reprocessing waste oils, base oils obtained according to said method and use thereof |
12/12/2001 | CN1325943A Removal of hydrocarbons from waste alkali from alkaline tower |
12/06/2001 | US20010047921 Vertical extending liquid/liquid contacting column |
11/29/2001 | DE10026135A1 Verfahren und Vorrichtung zur Entfernung von Kohlenwasserstoffen aus der Ablauge von Laugewäschern Method and apparatus for removing hydrocarbons from the spent liquor from liquor scrubbers |
11/28/2001 | EP1158038A2 Process and apparatus for the removal of hydrocarbons from the spent liquor of caustic washer |
11/20/2001 | US6319394 Purifying oil; contacting with phase transfer catalyst; heating, distilling, mixing with solvent, separation, recovering |
11/07/2001 | EP1066100A4 Spent caustic pretreatment and enhanced oxidation process |
11/01/2001 | WO2001081501A2 Method for demercaptanizing hydrocarbon stock |
10/31/2001 | EP1149141A1 Method for demetallating petroleum streams |
10/25/2001 | WO2001079396A1 Phase-transfer catalyzed destruction of fouling agents in petroleum streams |
10/25/2001 | WO2001079391A1 Selective hydroprocessing and mercaptan removal |