| 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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| 04/19/1989 | EP0312375A2 Highly aromatic polymer alloy membrane of polyurea and polyurethane and its use in aromatic/non-aromatic separations |
| 04/19/1989 | EP0312374A2 Highly aromatic polyurea/urethane membranes and their use for separating aromatics from non-aromatics |
| 04/11/1989 | US4820400 Introducing free charge before filtration with undewaxed oil |
| 03/28/1989 | US4816140 Process for deasphalting a hydrocarbon oil |
| 03/22/1989 | EP0308196A1 Hydrocarbon conversion process comprising once-through coking with hydrotreating and fluid catalytic cracking |
| 03/22/1989 | EP0308195A2 A process for coking and hydroconversion of hydrocarbons |
| 03/22/1989 | EP0308094A2 Process for once-through coking with solids recycle |
| 03/22/1989 | EP0307864A1 Process for the recovery of hydrogen/heavy hydrocarbons from hydrogen-lean feed gases |
| 03/21/1989 | US4814088 Method for the molecular filtration of predominantly aliphatic hydrocarbon liquids |
| 03/07/1989 | US4810366 Process for separating a fluid feed mixture containing hydrocarbon oil and an organic solvent |
| 02/28/1989 | CA1250530A1 Dewaxing aid recovery by use of semipermeable membranes |
| 02/23/1989 | WO1989001508A1 Process for purifying and regenerating used oils |
| 02/21/1989 | US4806231 Method for desalting crude oil |
| 02/07/1989 | US4802987 Selective permeation of aromatic hydrocarbons through polyethylene glycol impregnated regenerated cellulose or cellulose acetate membranes |
| 01/17/1989 | CA1248902A1 Method for desalting crude oil |
| 01/10/1989 | US4797200 Upgrading heavy oils by solvent dissolution and ultrafiltration |
| 12/28/1988 | EP0296882A1 Method of reducing microbial growth in storage systems containing hydrocarbon liquids |
| 12/13/1988 | US4790941 Mixture with water flowing perpendicular to porous hydrophobic hollow fiber |
| 11/29/1988 | CA1245546A1 Separation of hydrocarbon mixtures |
| 11/23/1988 | EP0291504A1 Method and apparatus for treating asphaltene bearing fuels |
| 10/25/1988 | US4780211 Method of dewatering using PTFE membrane |
| 10/18/1988 | US4778945 Process for removing paraffins from their mixtures with paraffinsulphonic acids |
| 09/27/1988 | US4773986 Separation, hot filtration |
| 07/27/1988 | EP0275770A1 Method and apparatus for distilling liquid heat sensitive products |
| 07/20/1988 | EP0274604A1 High severity visbreaking |
| 07/12/1988 | US4756821 Method for the liquid phase hydrotreatment of heavy hydrocarbons in the presence of a dispersed catalyst |
| 06/21/1988 | US4752380 Arsenic removal from shale oil by chloride addition |
| 06/14/1988 | US4750990 Membrane separation of hydrocarbons using cycloparaffinic solvents |
| 06/07/1988 | US4749393 Acid gas removal, dehydration, cryogenic separation |
| 06/07/1988 | CA1237677A1 Repelling-action filter unit and assembly |
| 06/02/1988 | WO1988003836A1 Method and apparatus for treating asphaltene bearing fuels |
| 06/01/1988 | CN87105674A Use of decanted oil as softener and extender oil of rubber |
| 05/31/1988 | US4748288 Process for the separation of solvents from hydrocarbons dissolved in the solvents |
| 05/03/1988 | US4741840 Process for treating a sludge containing hydrocarbons |
| 03/30/1988 | EP0261701A1 Process for removing paraffins from their mixtures with paraffinsulphonic acids |
| 03/29/1988 | US4734207 Purification of oils containing solid matters in suspension |
| 03/29/1988 | US4734115 Low pressure process for C3+ liquids recovery from process product gas |
| 03/24/1988 | WO1987005822A3 Process and device for cleaning and economizing heating oil |
| 03/23/1988 | CN87105306A Process for removing paraffins from their mixtures with paraffinsulphonic acids |
| 03/22/1988 | US4732664 Process for solid separation from hydroprocessing liquid product |
| 03/01/1988 | US4728413 Agitated dewaxing employing modified agitator means |
| 02/10/1988 | EP0255747A1 Process for separating a fluid feed mixture hydrocarbon oil and an organic solvent |
| 02/02/1988 | US4722781 Demulsification of interfacial layer with diluent oil |
| 01/27/1988 | EP0254359A1 Process for separating a fluid mixture containing hydrocarbons and an organic solvent |
| 01/26/1988 | CA1231985A1 Selective extraction solvent recovery using regenerated cellulose membrane under reverse osmosis conditions |
| 01/07/1988 | EP0250666A1 Process for selective dialysis using polymeric affinity adsorbents and size selective membranes |
| 12/02/1987 | EP0247762A1 Method of improving filtration of wax from wax/oil slurry by agitation with modified agitator means |
| 11/19/1987 | DE3715983A1 Verfahren zur desasphaltierung eines asphalthaltigen kohlenwasserstoffoels Method for desasphaltierung a asphaltic kohlenwasserstoffoels |
| 11/17/1987 | CA1229317A1 Treatment and separation of petroleums and related materials |
| 11/04/1987 | EP0244277A1 Process for deasphalting a hydrocarbon oil |
| 10/28/1987 | EP0242429A2 Filtration device for oils |
| 10/08/1987 | WO1987005822A2 Process and device for cleaning and economizing heating oil |
| 10/07/1987 | EP0240186A2 Process for separating hydrocarbon gas constituents |
| 09/29/1987 | CA1227437A1 Aromatic solvent upgrading using membranes |
| 09/17/1987 | DE3634511A1 Process for purifying oil and equipment for carrying out the process |
| 09/10/1987 | DE3607143A1 Recycling process for PCB-contaminated items and plant for carrying out the process |
| 09/08/1987 | US4692237 Agglomeration with polyelectrolyte |
| 09/02/1987 | EP0235003A1 Hydrotreatment process of heavy hydrocarbons in liquid phase in the presence of a dispersed catalyst |
| 08/26/1987 | EP0233352A2 Hot separator |
| 08/25/1987 | US4689157 Extraction of water using sensor controls circulation system |
| 08/25/1987 | US4689155 Method for purifying solids-stabilized emulsions |
| 08/18/1987 | US4687499 Process for separating hydrocarbon gas constituents |
| 08/11/1987 | US4686048 Catalytic cracking |
| 08/04/1987 | US4684457 Method for desalting crude oil |
| 07/29/1987 | EP0230146A2 Desulphurisation |
| 06/02/1987 | US4670151 Extraction using permselective membrane |
| 05/19/1987 | CA1222024A1 Process and apparatus for heating liquid media |
| 05/06/1987 | EP0220753A1 Process for the separation of solvents from hydrocarbons dissolved in said solvents |
| 04/08/1987 | EP0217534A2 A method of removing substances from fossil derived hydrocarbon liquids |
| 04/07/1987 | US4655938 Process and contrivance for the regeneration of lubricating oils |
| 04/07/1987 | CA1220152A1 Process for production of light hydrocarbons by treatment of heavy hydrocarbons with water |
| 03/18/1987 | EP0214672A2 Process for the purification of oils |
| 03/10/1987 | US4648962 Coal, cleaning, suspension, agglomeration, upgrading |
| 01/21/1987 | CN86105817A Electrostatic mixer/separator |
| 11/11/1986 | US4622053 Heat exchanging, condensation |
| 10/28/1986 | US4619768 Method of removing crude oil sludge |
| 10/28/1986 | US4619764 Use in vacuum or suction side fuel filter systems |
| 10/15/1986 | EP0197716A2 Process for the removal of solids from an oil and mixture useful therefor |
| 10/15/1986 | EP0197715A2 Process for the removal of solids from an oil |
| 10/14/1986 | US4617126 Polysulfones |
| 09/02/1986 | CA1210729A1 Process for the removal of solids from an oil |
| 08/26/1986 | US4608173 Filter |
| 08/19/1986 | US4606801 Extraction of contaminants |
| 08/12/1986 | CA1209513A1 Hydrolysis of carbonyl sulfide over alumina |
| 07/23/1986 | EP0188119A1 Method for desalting crude oil |
| 07/22/1986 | US4601381 Fluid vacuum distillation system |
| 07/15/1986 | US4600500 Water-soluble polyamine additive for removal of suspended solids |
| 06/11/1986 | EP0184434A2 Method for desalting crude oil |
| 05/20/1986 | US4589955 Fluid recovery system |
| 03/11/1986 | CA1201660A1 Process for the separation of a liquid mixture |
| 03/04/1986 | CA1201403A1 Evaporation dehydrator |
| 02/11/1986 | CA1200512A1 Filter |
| 01/16/1986 | WO1986000242A1 Repelling-action filter unit and assembly |
| 12/17/1985 | US4559133 Process for separating liquids from fine grained solids |
| 11/12/1985 | US4552725 Apparatus for co-processing of oil and coal |
| 11/06/1985 | EP0160143A1 Aromatic solvent upgrading using membranes |
| 11/06/1985 | EP0160142A1 Combination membrane extraction dewaxing of lube oils |
| 09/24/1985 | US4543177 Production of light hydrocarbons by treatment of heavy hydrocarbons with water |
| 09/18/1985 | EP0154746A2 Method of recovering dewaxing aid (DWA) from mixture of wax and DWA by wax permeation through semipermeable membrane |
| 09/11/1985 | EP0154248A2 Membranes of organic polymers containing crystalline carriers, their manufacture and their use |