| Patents for C10G 21 - Refining of hydrocarbon oils, in the absence of hydrogen, by extraction with selective solvents (2,651) |
|---|
| 02/25/1986 | US4572781 Solvent deasphalting in solid phase |
| 02/19/1986 | EP0171387A1 Process for the desulphuration of fuel oils |
| 02/18/1986 | US4571295 Solvent extraction |
| 02/12/1986 | EP0170808A1 Process for removing polychlorinated biphenyl (PCB) from electrically insulating fluids |
| 02/11/1986 | US4569755 Recovering and recycling solvent |
| 02/04/1986 | US4568452 Process for upgrading a contaminated absorbent oil |
| 01/21/1986 | US4565623 Phase separation |
| 01/07/1986 | CA1198996A1 Selective extraction of hydrocarbons from asphaltic petroleum oils |
| 12/31/1985 | CA1198705A1 Process for deasphatenating cat cracker bottoms and for production of anisotropic pitch |
| 12/03/1985 | US4556461 Process for separating highly pure butene-1 or butene-1/isobutene mixture from C4 hydrocarbon fraction |
| 11/13/1985 | EP0160668A1 Method for reducing content of halogenated aromatics in hydrocarbon solutions. |
| 11/06/1985 | EP0160410A1 Process for increasing deasphalted oil production from upgraded oil residua |
| 11/06/1985 | EP0160143A1 Aromatic solvent upgrading using membranes |
| 11/06/1985 | EP0160142A1 Combination membrane extraction dewaxing of lube oils |
| 11/05/1985 | CA1196305A1 Petroleum residues by means of reduction of viscosity, deasphaltation and hydrotreatment |
| 10/22/1985 | US4548711 Demetallization of solvent heavy oils using counter current flow, premixing, ratios, segmental baffle trays, and residence times, quality |
| 10/08/1985 | US4545894 Control of an aromatic extraction |
| 10/02/1985 | EP0155992A2 Process for the separation of aromatics from hydrocarbon mixtures with any concentration of aromatics |
| 10/01/1985 | US4544796 Solvent extraction of aromatic compounds using alkylsulfoxide solvents |
| 10/01/1985 | US4544477 Shale and tar sand oils |
| 09/18/1985 | EP0154677A2 Process for the separation of aromatics from hydrocarbon mixtures with any concentration of aromatics |
| 09/17/1985 | US4541918 Dearsenating of shale oil with polyacrylamides |
| 08/27/1985 | US4537676 Reducing metal content of oil feeds |
| 08/20/1985 | US4536283 Mixing with expansion gas, esparation, and flashing |
| 08/15/1985 | WO1985003516A1 Process for the desulphuration of fuel oils |
| 08/13/1985 | CA1191808A1 Process for separation of solids from liquid hydrocarbons |
| 07/30/1985 | US4532029 Contacting middle distillate feed diluted with with low boiling light polar aromatics extraction solvent with permselective membrane to permeate aromatic components |
| 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 |
| 07/16/1985 | US4529503 Demetallization of hydrocarbon containing feed streams with phosphorous compounds |
| 07/16/1985 | CA1190637A1 Process for removing undesirable substances from electrical devices |
| 07/10/1985 | EP0147860A2 Method for replacing PCB-containing coolants in electrical induction apparatus with substantially PCB-free dielectric coolants |
| 07/09/1985 | US4528068 Tray apparatus for deasphalting and extraction |
| 07/09/1985 | CA1190177A1 Extractive distillation method |
| 07/04/1985 | WO1985002937A1 Method for replacing pcb-containing askarels in electrical induction apparatus with pcb-free dielectric coolants |
| 07/03/1985 | EP0147113A2 Process for increasing deasphalted oil production |
| 06/25/1985 | US4525269 Mixing with metal compound and solvent |
| 06/19/1985 | EP0145126A2 Selective extraction solvent recovery using regenerated cellulose under reverse osmosis conditions |
| 06/12/1985 | EP0144216A1 Removal of polychlorinated biphenyls by solvent extraction |
| 06/11/1985 | US4522710 Distillation, and solvent extraction |
| 06/11/1985 | CA1188646A1 Process for production of carbon artifact feedstocks |
| 06/05/1985 | EP0143129A1 Method of separating a mixture by decantation and permeation through a membrane |
| 05/28/1985 | US4519901 Extractive separation process |
| 05/21/1985 | US4518489 Oil Treatment |
| 05/21/1985 | US4518484 Metals removal with a light hydrocarbon and an organophosphorous compound |
| 05/14/1985 | CA1187033A1 Process for recovering a c.sub.3-c.sub.7 hydrocarbon fraction from a liquid mixture containing said fraction and a deasphalted oil |
| 05/14/1985 | CA1187024A1 Process for the separation of aromatic hydrocarbons from petroleum fractions with heat recovery |
| 05/14/1985 | CA1187023A1 Recovery of solvent in hydrocarbon processing systems |
| 05/09/1985 | WO1985001955A1 Method for reducing content of halogenated aromatics in hydrocarbon solutions |
| 05/07/1985 | US4515685 Treatment and separation of petroleums and related materials |
| 05/07/1985 | CA1186652A1 Process for removing halogenated aliphatic and aromatic compounds from petroleum products |
| 04/30/1985 | US4514287 Process for the solvent deasphalting of asphaltene-containing hydrocarbons |
| 04/30/1985 | CA1186263A1 Method for retarding corrosion in petroleum processing operation using n-methyl pyrrolidone |
| 04/16/1985 | US4511537 Extraction zone |
| 04/09/1985 | US4510047 Selective extraction solvent recovery using regenerated cellulose membrane under reverse osmosis conditions |
| 04/03/1985 | EP0135943A2 Process for separating resinous materials from heavy coal oils, and use of the fractions so obtained |
| 03/19/1985 | CA1184145A1 Method of recovering pure aromatic substances from a mixture of hydrocarbons containing aromatic and non-aromatic constituents |
| 03/13/1985 | EP0134088A1 Treatment of viscous crude oil |
| 03/05/1985 | US4502950 Process for the solvent deasphalting of asphaltene-containing hydrocarbons |
| 03/05/1985 | US4502944 Fractionation of heavy hydrocarbon process material |
| 02/19/1985 | CA1182774A1 Obtaining a conjugated diolefin from a mixture of c.sub.4 or c.sub.5 hydrocarbons |
| 02/12/1985 | US4498980 Olvent extraction using mixture of polyalkylene glycol and glycolether |
| 01/29/1985 | US4496744 Multidentate macromolecular complex salt clathrates |
| 01/29/1985 | CA1181772A1 Method for separating hydrocarbons by liquid extraction |
| 01/15/1985 | US4493765 Selective separation of heavy oil using a mixture of polar and nonpolar solvents |
| 01/02/1985 | CA1180296A Method for treating shale oil and producing liquid transport fuel therefrom |
| 12/25/1984 | US4490240 N-methyl-2-pyrrolidone; acid salt formation |
| 12/12/1984 | EP0128047A1 The selective separation of heavy oil using a mixture of polar and nonpolar solvents |
| 11/27/1984 | US4485007 Oxidizing sulfur and nitrogen impurities and solvent extraction wi |
| 11/20/1984 | US4483763 Removal of nitrogen from a synthetic hydrocarbon oil |
| 11/20/1984 | US4483717 Method of removing adsorbent contaminants from electrical apparatus |
| 11/13/1984 | US4482453 Supercritical extraction process |
| 11/13/1984 | CA1177770A1 Process for deasphalting a hydrocarbon charge containing asphaltenes |
| 11/13/1984 | CA1177769A1 Method and apparatus for removing organic contaminants from inorganic-rich mineral solids |
| 10/24/1984 | EP0122341A1 Recovery of aromatic hydrocarbons and a non-aromatic raffinate stream from a hydrocarbon charge stock |
| 10/16/1984 | US4477354 Destruction of polychlorinated biphenyls during solvent distillation |
| 10/09/1984 | US4476012 Process for deashing primary coal liquids |
| 09/25/1984 | CA1174999A1 Spent oil recovery process |
| 09/25/1984 | CA1174806A1 Method for removing polyhalogenated hydro-carbons from nonpolar organic solvent solutions |
| 08/07/1984 | US4464248 Vacuum stripping catalytic cracker bottoms |
| 07/04/1984 | EP0112684A1 Improved tray for liquid-contacting in an extraction zone |
| 06/27/1984 | EP0112165A1 Extraction zone for liquid-liquid contacting |
| 06/12/1984 | CA1169012A1 Process for the simultaneous separation in aromatics and non-aromatics of a heavy hydrocarbon stream and a light hydrocarbon stream |
| 06/05/1984 | US4452691 Combined process for heavy oil upgrading and synthetic fuel production |
| 05/23/1984 | EP0109366A1 Method of decontaminating mineral oils and dielectric silicone fluids |
| 05/22/1984 | US4450067 Distillation-induced extraction process |
| 05/15/1984 | US4448672 Using multiple solvents with different polarities |
| 05/08/1984 | US4447318 Extractive distillation method |
| 05/01/1984 | US4446012 Process for production of light hydrocarbons by treatment of heavy hydrocarbons with water |
| 04/25/1984 | EP0106317A1 Purification of fluorinated lubricants free from hydrogen |
| 04/24/1984 | US4444648 Solvent dewaxing with methyl tertiary butyl ether |
| 04/24/1984 | CA1166272A1 Process for removal of hydroxy and/or mercapto- substituted hydrocarbons from coal liquids |
| 04/03/1984 | US4440633 Process for solvent deasphalting heavy hydrocarbon fractions |
| 03/27/1984 | CA1164391A1 Refining highly aromatic lube oil stocks |
| 03/27/1984 | CA1164390A1 Dual solvent refining process |
| 03/15/1984 | WO1984000951A1 Process for eliminating hydrogen sulphide contained in a gas mixture |
| 03/14/1984 | EP0102894A1 Process for eliminating hydrogen sulfide contained in a gaseous mixture |
| 03/13/1984 | CA1163596A1 Separation of aromatic hydrocarbons from petroleum fractions |
| 03/06/1984 | CA1163276A1 Method of separating aromatic and nonaromatic hydrocarbons in mixed hydrocarbon feeds |
| 02/21/1984 | US4432866 Pretreatment by solvent extraction and decantation |