| Patents for C10G 31 - Refining of hydrocarbon oils, in the absence of hydrogen, by methods not otherwise provided for (2,775) |
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| 01/26/1993 | US5182024 Separation of hydrocarbon dewaxing and deasphalting solvents from dewaxed and/or deasphalted oil using interfacially polymerized membrane |
| 12/29/1992 | CA1312033C Combination coking and hydroconversion process |
| 12/23/1992 | WO1992022624A1 Apparatus and method for reclaiming useful oil products from waste oil |
| 12/22/1992 | US5173191 Interfacially polymerized membranes for the reverse osmosis separation of organic solvent solutions |
| 12/22/1992 | US5173172 Production of hard asphalts by ultrafiltration of vacuum residua |
| 12/01/1992 | CA1310929C Once-through coking with solids recycle |
| 11/25/1992 | EP0377606B1 Process for purifying and regenerating used oils |
| 11/19/1992 | EP0513809A2 Method for treating cooling fluids and/or lubricants used in rolling mill installations and device therefor |
| 11/17/1992 | CA1310288C Once-through coking with hydrotreating and fluid catalytic cracking |
| 11/04/1992 | EP0511839A2 Membrane process for treating a mixture containing dewaxed oil and dewaxing solvent |
| 10/30/1992 | CA2052550A1 Membrane process for treating a mixture containing dewaxed oil and dewaxing solvent |
| 10/27/1992 | US5159130 Permselectivity |
| 10/27/1992 | CA1309370C Apparatus and method for reclaiming waste oil |
| 10/25/1992 | WO1992019376A1 Demetallization of hydrocarbon conversion catalysts |
| 10/25/1992 | CA2108911A1 Demetallization of hydrocarbon conversion catalysts |
| 10/13/1992 | US5155073 Demetallization of hydrocarbon conversion catalysts |
| 10/09/1992 | WO1992017427A1 Control of oxygen level in feed for improved aromatics/non-aromatics pervaporation |
| 10/09/1992 | CA2106590A1 Control of oxygen level in feed for improved aromatics/non-aromatics pervaporation |
| 10/01/1992 | WO1992016478A1 Process and apparatus for separating impurities from hydrocarbons |
| 09/22/1992 | US5149340 Without compressors |
| 09/09/1992 | EP0502404A1 Method for decreasing the level of contamination of fuels |
| 08/25/1992 | US5141630 Separation process employing two stripping gases |
| 08/25/1992 | US5141628 Method of cleaning and regenerating used oils |
| 08/25/1992 | US5141526 Adding filter aid and filtering |
| 08/04/1992 | US5135616 Packed column for contacting sour oil with steam, gravity separator, coalescer, condenser |
| 08/04/1992 | US5135547 Facilitated liquid membranes for olefin/paraffin gas separations and related process |
| 07/28/1992 | US5133867 Reverse osmosis process for recovery of C3 -C6 aliphatic hydrocarbon from oil |
| 07/28/1992 | US5133851 Polysiloxane reverse osmosis membrane |
| 07/14/1992 | US5130017 Multi-block polymer comprising a first amide acid prepolymer, chain extended with a compatible second prepolymer, the membrane made therefrom and its use in separations |
| 06/10/1992 | EP0489573A1 Separation of hydrocarbon dewaxing and deasphalting solvents from dewaxed and/ or deasphalted oil using interfacially polymerized membrane |
| 06/09/1992 | US5120428 Deashing of heavy hydrocarbon residues |
| 06/07/1992 | WO1992010276A1 Multi-block polymer comprising an oxazolidone prepolymer chain extended with a compatible second prepolymer, the membrane made therefrom and its use in separations |
| 06/07/1992 | WO1992010274A1 Membrane made from multiblock polymer |
| 06/07/1992 | CA2096439A1 Membrane made from multiblock polymer |
| 06/07/1992 | CA2096437A1 Multi-block polymer comprising an oxazolidone prepolymer chain extended with a compatible second prepolymer, the membrane made therefrom and its use in separations |
| 06/06/1992 | CA2047112A1 Separation of hydrocarbon dewaxing and deasphalting solvents from dewaxed and/or deasphalted oil using interfacially polymerized membrane |
| 05/14/1992 | WO1992008770A1 Process for recovery of oil from waste oil sludges |
| 05/14/1992 | WO1992007649A1 Composite membrane for facilitated transport processes |
| 05/14/1992 | CA2096247A1 Process for recovery of oil from waste oil sludges |
| 05/13/1992 | EP0485077A1 Solvent extraction process involving membrane separation of extract phase and/or intermediate zone phase with pseudo extract/pseudo raffinate recycle |
| 05/06/1992 | EP0483999A1 Reverse osmosis process for recovery of C3-C6 aliphatic hydrocarbon from oil |
| 05/06/1992 | CA2054046A1 Solvent extraction process involving membrane separation of extract phase and/or intermediate zone phase with pseudo extract/pseudo raffinate recycle |
| 05/03/1992 | WO1992007921A1 Process and installation for producing liquid fuels and raw chemicals |
| 05/03/1992 | CA2095122A1 Process and installation for producing liquid fuels and raw chemicals |
| 04/29/1992 | CN1016441B Fluid decontamination system |
| 04/28/1992 | CA1299341C Delsulphurisation |
| 04/21/1992 | US5107056 Selective separation of naphthenes from paraffins by membrane extraction |
| 04/07/1992 | US5102551 Membrane process for treating a mixture containing dewaxed oil and dewaxing solvent |
| 03/25/1992 | EP0185086B1 Repelling-action filter unit and assembly |
| 03/24/1992 | US5098570 Polyurea made from diisocyanate and diamine and a chain extender of a dianhydride and an epoxy, diisocyanate, polyester and diamine |
| 03/17/1992 | US5096592 Multi-block polymer comprising an ester prepolymer, chain extended with a compatible second prepolymer, the membrane made therefrom and its use in separations |
| 03/11/1992 | WO1992004424A1 Process for the recovery of oil from waste oil sludges |
| 03/11/1992 | CA2092926A1 Process for the recovery of oil from waste oil sludges |
| 03/10/1992 | US5095171 Control of oxygen level in feed for improved aromatics/non-aromatics pervaporation (OP-3602) |
| 03/03/1992 | US5093002 Crosslinked Polysiloxane Elastomeric Membrane |
| 02/26/1992 | CN1058986A Separating unsaponifiables from naphthenic acid |
| 02/25/1992 | CA1296358C Process for removing paraffins from their mixtures with paraffinsulphonic acids |
| 02/25/1992 | CA1296284C High severity visbreaking |
| 02/25/1992 | CA1296283C Process for hydrotreatment of liquid phase heavy hydrocarbons, with the presence of a dispersed catalyst |
| 02/05/1992 | EP0468991A1 Method of separating oil-in-water emulsions |
| 01/28/1992 | US5084079 High-pressure hot separator |
| 01/21/1992 | US5082472 Composite membrane for facilitated transport processes |
| 01/15/1992 | EP0466470A2 Aromatics/saturates separation using membranes |
| 01/15/1992 | EP0466469A2 Aromatics/saturates separation using membranes |
| 01/14/1992 | US5080779 Mixing with water soluble chelate compound |
| 01/12/1992 | CA2045161A1 Sulfonated polysulfone membranes for aromatics/saturates separation |
| 01/12/1992 | CA2044000A1 Polysulfone membranes for aromatics/saturates separation |
| 12/31/1991 | US5076915 Apparatus for removing suspended solids from a liquid |
| 12/31/1991 | US5076910 Removal of particulate solids from a hot hydrocarbon slurry oil |
| 12/28/1991 | CA2052982A1 Reverse osmosis process for recovery of c3-c6 aliphatic hydrocarbon from oil |
| 12/21/1991 | CA2019469A1 Membrane treatment process, for waste oil |
| 12/12/1991 | WO1991018676A1 Multiple step cyclone separator |
| 12/11/1991 | CN1056826A Facilitated liquid membranes for olefin/paraffin gas separations and related process |
| 12/10/1991 | CA1292954C Process for the separation of fine catalyst particles from a hydrocarbon charge by filtration through mineral barriers and filtration loop |
| 11/27/1991 | EP0458598A2 Facilitated liquid membranes for olefin/paraffin gas separations and related process |
| 11/26/1991 | CA2040798A1 Facilitated liquid membranes for olefin/paraffin gas separations and related process |
| 11/20/1991 | CN2089006U Waste oil regenerator for high viscous mineral-oil |
| 11/05/1991 | US5063186 Highly aromatic polyurea/urethane membranes and their use of the separation of aromatics from non-aromatics |
| 11/05/1991 | US5062866 Transition metal, hydrophilic group 1A salt |
| 10/16/1991 | EP0451343A1 High pressure hot separator |
| 10/16/1991 | CN1055381A Super purifier of insulating oil |
| 10/08/1991 | US5055632 Highly aromatic polyurea/urethane membranes and their use for the separation of aromatics from non-aromatics |
| 10/08/1991 | US5055631 Sulfonated polysulfone membranes for aromatics/saturates separation |
| 10/08/1991 | US5055179 Upgrading heavy oil |
| 10/02/1991 | CN1054999A Method for preventing diesel from freezing |
| 10/01/1991 | CA1289893C Purification of oils containing solid matters in suspension |
| 09/24/1991 | US5050375 Combustion of aqueous slurry of solid fuel for driving gas turbines, pressurization and combustion |
| 09/24/1991 | CA1289479C Vacuum pump equipped with filter for the lubricating oil |
| 09/24/1991 | CA1289338C Pyrolysis furnace for olefin production |
| 09/17/1991 | US5049281 Multi-block polymer comprising a first prepolymer, made by combining epoxy with diamine, chain extended with a compatible second prepolymer, the membrane made therefrom and its use in separations |
| 09/17/1991 | US5049259 Membrane process for drying liquid hydrocarbons |
| 09/10/1991 | CA2037856A1 High pressure hot separator |
| 09/03/1991 | US5045206 Selective multi-ring aromatics extraction using a porous, non-selective partition membrane barrier |
| 09/03/1991 | CA1288376C Agitated dewaxing employing modified agitator means |
| 08/14/1991 | DE4003715A1 High-pressure separator for hydrogenation of hydrocarbon(s) - has inner wall of the insulated pressure vessel made from spiral of rectangular tube through which coolant is passed |
| 08/13/1991 | US5039422 Separating aromatic hydrocarbons from nonaromatic hydrocarbons by selective permability under pervaporation or perstraction conditions |
| 08/13/1991 | US5039418 Membrane made from a multi-block polymer comprising an oxazolidone prepolymer chain extended with a compatible second prepolymer and its use in separations |
| 08/13/1991 | US5039417 Membrane made from a multi-block polymer comprising an imide or amide-acid prepolymer chain extended with a compatible second prepolymer and its use in separations |
| 08/07/1991 | EP0439905A1 Separation of furfural/middle distillate streams |
| 08/06/1991 | US5037556 Controlling the pressure over a polyimine membrane which has been crosslinked with a polyisocyanate or a polycarbonyl chloride |