| Patents for C10G 19 - Refining hydrocarbon oils, in the absence of hydrogen, by alkaline treatment (954) |
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| 11/12/1991 | CA1291958C Method for eliminating reentry disulfides in a mercaptan extraction process |
| 10/15/1991 | CA1290715C Treatment of mercaptan-containing streams utilizing nitrogen based promoters for removal of said mercaptans |
| 02/12/1991 | US4992210 Crude oil desalting process |
| 01/15/1991 | CA1278920C Process for enhancing the centane number of diesel fuel |
| 12/19/1990 | CN1047882A Inhibiting emulsification in alkali wash process of straight-run oils by adding additives |
| 11/06/1990 | CA1275960C Process for upgrading diesel oils including cetane improvement |
| 09/25/1990 | CA1274551A1 Continuous process for mercaptan extraction from a highly olefinic feed stream |
| 08/28/1990 | US4952301 Method of inhibiting fouling in caustic scrubber systems |
| 08/08/1990 | EP0380782A1 Liquid dehalogenation agents |
| 08/08/1990 | CN1009111B Continous process for mercaptan extraction from highly definic feed stream |
| 08/02/1990 | CA2009007A1 Liquid dehalogenating agents |
| 06/20/1990 | CN1008441B Method for eliminating reentry disulfides in mercaptan extraction |
| 05/23/1990 | CN1008066B Process for sulfur removal from hydrocarbons |
| 03/06/1990 | US4906354 Process for improving the thermal stability of jet fuels sweetened by oxidation |
| 01/23/1990 | US4895641 Emulsifying surfactant or alkali, low shear, demulsification |
| 12/26/1989 | US4889618 Dispersing in aqueous alkali solutions, mixing, settling, separating oil and water phase;recovering catalyst filter cake; pollution control |
| 12/13/1989 | CN1037917A Regenarating agent for waste oil |
| 09/26/1989 | CA1260423A1 Method for desalting crude oil |
| 07/05/1989 | EP0322924A1 Selective H2S removal from fluid mixtures using high purity triethanolamine |
| 04/25/1989 | CA1253103A1 Method for improving the stability of shale oil |
| 03/22/1989 | CN1031854A Process for improving thermal stability of jet fuels sweetened by catalytic oxidation |
| 03/15/1989 | EP0307146A1 Process for improving the thermal stability of jet fuels sweetened by catalytic oxidation |
| 03/09/1989 | DE3828603A1 Process for continuously sweetening crude oil cuts in the liquid phase |
| 11/22/1988 | US4786405 Treatment with sodium hydride, sulfuric acid, oxidizing and neutralizing agents |
| 10/18/1988 | US4778589 Demetallization of petroleum crudes, shale oil, liquified coal, tar sand effluent and similar oils and residues |
| 09/27/1988 | US4773988 Arsenic removal from shale oil by addition of basic materials |
| 07/05/1988 | US4755628 Process for dehalogenating hydrocarbons |
| 06/29/1988 | CN87101298A Method for elimiorating reentry disulfides in mercaptan extraction |
| 06/28/1988 | US4753722 Oxidation to disulfides |
| 06/22/1988 | EP0271823A1 Process for eliminating reentry disulfides in a mercaptan extraction process |
| 06/22/1988 | EP0271541A1 Treatment of mercaptan-containing streams utilizing nitrogen based promoters |
| 06/21/1988 | US4752381 Upgrading petroleum and petroleum fractions |
| 06/08/1988 | CN87105291A Method for coating solid alikali with organic high-molecule film |
| 05/24/1988 | US4746420 Process for upgrading diesel oils |
| 04/06/1988 | EP0160668B1 Method for reducing content of halogenated aromatics in hydrocarbon solutions |
| 04/05/1988 | CA1234795A1 Process for regenerating an alkaline stream containing mercaptan compound |
| 02/16/1988 | CA1232858A1 Hydrocarbon treating process having minimum gaseous effluent |
| 02/09/1988 | US4724070 Using sodium derivative of a polyglycol and weak base |
| 12/30/1987 | WO1987007904A1 Treatment of mercaptan-containing streams utilizing nitrogen based promoters |
| 11/10/1987 | US4705620 Mercaptan extraction process |
| 10/07/1987 | CN86107236A Sulfur removal from hydrocarbons |
| 09/09/1987 | EP0235462A1 Continuous process for mercaptan extraction from a highly olefinic feed stream |
| 09/02/1987 | EP0234878A2 Process for upgrading diesel oils |
| 08/19/1987 | CN86108658A Continous process for mercaptan extraction from highly definic feed stream |
| 07/01/1987 | EP0227259A1 Sulfur removal from hydrocarbons |
| 05/20/1987 | CN86101938A Preparation of stannic oxide from medium grade tin ore by liquid phasing oxidization |
| 05/19/1987 | US4666689 Process for regenerating an alkaline stream containing mercaptan compounds |
| 02/17/1987 | US4643820 Blending nitrogen treated and untreated diesel oils |
| 01/20/1987 | US4637926 Method of removing hydrogen sulphide from gases |
| 12/02/1986 | US4626341 Process for mercaptan extraction from olefinic hydrocarbons |
| 11/19/1986 | CN85104036A Direct prepn. of sodium stannate from tin concentrate |
| 10/22/1986 | CN85103113A Process for regenerating an alkaline stream containing mercaptan compounds |
| 09/02/1986 | CA1210728A1 Use of alkanolamines in sweetening sour liquid hydrocarbon streams |
| 08/05/1986 | CA1209075A1 Molten salt hydrotreatment process |
| 07/02/1986 | CA1206908A Carburetion fuel |
| 06/11/1986 | EP0184434A2 Method for desalting crude oil |
| 04/23/1986 | EP0178320A1 Process for regenerating an alkaline stream containing mercaptan compound |
| 03/04/1986 | CA1201283A1 Method for reducing the content of halogenated aromatics in hydrocarbon solutions |
| 02/19/1986 | EP0171387A1 Process for the desulphuration of fuel oils |
| 11/13/1985 | EP0160668A1 Method for reducing content of halogenated aromatics in hydrocarbon solutions. |
| 11/07/1985 | WO1985004894A1 Process for regenerating an alkaline stream containing mercaptan compound |
| 09/04/1985 | EP0153329A1 Process for eliminating polychlorinated bi-phenyls from oils |
| 08/15/1985 | WO1985003516A1 Process for the desulphuration of fuel oils |
| 07/30/1985 | US4532028 Heating under agitation with nonaqueous alkaline reactant in sulfoxide solvent |
| 07/30/1985 | US4532027 Extracting with stabilizing amount of base solution of shale oil retort process water to reduce amount of gum |
| 05/28/1985 | US4519899 Purification of oil using a jet pump mixer |
| 05/09/1985 | WO1985001955A1 Method for reducing content of halogenated aromatics in hydrocarbon solutions |
| 02/28/1985 | WO1985000826A1 Process for eliminating polychlorinated bi-phenyls from oils |
| 01/29/1985 | CA1181771A1 Process for dehalogenation of organic halides |
| 10/31/1984 | EP0122977A1 Hydrocarbon treating process having minimum gaseous effluent |
| 09/25/1984 | CA1174806A1 Method for removing polyhalogenated hydro-carbons from nonpolar organic solvent solutions |
| 08/14/1984 | US4465590 Mixing with liquid sodium under inert gases |
| 08/14/1984 | CA1172659A1 Method for removing polyhalogenated hydrocarbons from nonpolar organic solvent solutions |
| 05/01/1984 | US4446006 Arsenic removal from hydrocarbons |
| 05/01/1984 | CA1166592A1 Removal of metal alkaryl sulfonates from hydrocarbons |
| 03/20/1984 | US4437980 Desulfurization, demetallization and deasphalting carbonaceous material with potassium hydroxide and water |
| 02/08/1984 | EP0099951A1 Process for dehalogenation of organic halides |
| 02/07/1984 | US4430204 Removal of surfactants from hydrocarbons with alcohol |
| 11/29/1983 | US4417986 Process for reducing the chemical oxygen demand of spent alkaline reagents |
| 11/01/1983 | US4412913 Use of alkanolamines in sweetening sour liquid hydrocarbon streams |
| 11/01/1983 | US4412912 Hydrocarbon treating process having minimum gaseous effluent |
| 10/18/1983 | US4410422 Method for removing polyhalogenated hydrocarbons from nonpolar organic solvent solutions |
| 10/12/1983 | EP0091047A2 Fuel for a carburettor engine |
| 09/20/1983 | US4405447 Method for the removal of metal from a hydrocarbon solution containing metal alkaryl sulfonate |
| 09/13/1983 | US4404098 Catalytic oxidation of mercaptan solution to produce disulfides; decantation, circulation of solution |
| 07/12/1983 | US4392947 Integrated refining process |
| 04/06/1983 | EP0076100A1 A method of refining sour hydrocarbon distillates |
| 03/22/1983 | US4377471 Method for removing polychlorinated biphenyls from transformer oil |
| 03/22/1983 | CA1143312A1 De-ashing lubricating oils |
| 03/08/1983 | CA1142470A1 Heat exchanger anti-foulant |
| 03/01/1983 | CA1142110A1 Removal of phenols from phenol-containing streams |
| 03/01/1983 | CA1141942A1 Purification process |
| 02/08/1983 | CA1140924A1 Gas purification process |
| 01/25/1983 | CA1140066A1 Waste oil recovery system |
| 12/07/1982 | US4362614 Catalytic oxidation to disulfides |
| 11/30/1982 | CA1136567A1 De-sulfurization of petroleum residues |
| 10/12/1982 | US4353793 Method for removing polyhalogenated hydrocarbons from nonpolar organic solvent solutions |
| 09/28/1982 | US4351718 Method for removing polyhalogenated hydrocarbons from nonpolar organic solvent solutions |
| 08/31/1982 | US4347226 Method for treating sulfur-containing effluents resulting from petroleum processing |
| 11/17/1981 | US4300995 Oxygen-alkylation of carbonous material and products thereof |