Patents for C10G 33 - De-watering or demulsification of hydrocarbon oils (2,962) |
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06/08/1988 | EP0269887A2 Branched quaternary polyoxyalkylene polyesters, process for their preparation and their use |
06/07/1988 | CA1237677A1 Repelling-action filter unit and assembly |
06/01/1988 | EP0268713A1 Demulsifier composition and method of use thereof |
05/31/1988 | US4747960 Water absorbent packet |
05/18/1988 | EP0267517A2 Branched polyoxyalkylene polyesters, process for their preparation and their use |
05/17/1988 | US4745175 Emulsions of crude oils in water |
05/03/1988 | US4741835 Oil-in-water emulsion breaking with hydrophobically functionalized cationic polymers |
04/27/1988 | EP0264755A1 Alkoxylated polyamines containing amide groups, and their use in breaking oil-in-water and water-in-oil emulsions |
04/27/1988 | EP0264710A1 Water-soluble quaternary polyammonium salts, process for their preparation and their use |
04/26/1988 | US4740311 Rotation |
04/19/1988 | US4738795 Using water-insoluble polar compounds |
04/12/1988 | US4737550 Bridged dense star polymers |
04/12/1988 | US4737265 Water based demulsifier formulation and process for its use in dewatering and desalting crude hydrocarbon oils |
04/12/1988 | CA1235109A1 Extraction of substances from aqueous solution |
03/29/1988 | US4734523 Oxalkylated polyester-amines, a process for their preparation and their use |
03/22/1988 | US4732671 Diesel fuel filter/water separator |
03/22/1988 | EP0217791A4 A process for absorbing water having a ph less than four. |
03/16/1988 | EP0260108A1 Hydrophobically functionalized cationic polymers |
03/08/1988 | US4730079 Quaternary oxalkylated polycondensates |
03/08/1988 | CA1233723A1 Demulsification of water-in-oil emulsions |
03/02/1988 | EP0257265A2 Diesel fuel filter/water separator. |
03/01/1988 | CA1233390A1 Composition and process for the separation of water from hydrocarbon oils |
02/02/1988 | US4722781 Demulsification of interfacial layer with diluent oil |
01/26/1988 | CA1231911A1 Process and facility for upgrading heavy hydrocarbons employing a diluent |
01/07/1988 | EP0250666A1 Process for selective dialysis using polymeric affinity adsorbents and size selective membranes |
12/09/1987 | EP0248170A2 Distributed charge composition electrodes and desalting system |
11/25/1987 | EP0246582A2 Polyethers obtainable by the reaction of alkylolated bis-(4-hydroxyphenyl)methanes with poly(alkyleneoxides), and their use in breaking emulsions of petroleum crude |
11/18/1987 | CN87103382A Distributing charge composite electrode and desalt system |
11/17/1987 | US4707264 Water extraction from hydrocarbons in the presence of asphaltic precipitates |
11/10/1987 | US4705834 Breaking oil in water emulsions |
11/05/1987 | WO1987006489A1 De-watering of hydrocarbons containing asphaltic precipitates |
10/27/1987 | US4702815 Dehydrating oil |
10/20/1987 | US4701271 Treating oil-water-surfactant emulsions with strong inorganic acid |
08/25/1987 | US4689418 Azetidinium salts and process of preparation |
08/25/1987 | CA1225937A1 Separation process |
08/18/1987 | US4687585 Separation process utilizing centrifugal rotor |
08/18/1987 | US4686775 Absorbent drying method by contacting with a hydrocarbon |
08/11/1987 | US4686066 Method for the separation of oil-in-water emulsions |
08/11/1987 | CA1225365A1 Resolution of emulsions with multiple electric fields |
08/04/1987 | US4684457 Method for desalting crude oil |
08/04/1987 | CA1225004A1 Demulsification of bitumen emulsions using water soluble epoxy-containing polyethers |
08/04/1987 | CA1225003A1 Demulsification of bitumen emulsions |
07/14/1987 | US4680110 For replacing existing fuel filters of diesel machines |
07/07/1987 | US4678599 Addition-condensation copolymers |
07/07/1987 | CA1223791A1 Method of breaking a water-in-oil emulsion |
06/16/1987 | US4673499 Aircraft fuels |
06/09/1987 | CA1222714A1 Method for removing insoluble sulfide pads at oil/water interfaces |
05/20/1987 | EP0222587A1 Demulsifiers |
05/12/1987 | CA1221602A1 Demulsifying process |
04/28/1987 | US4661242 Diluent distillation process and apparatus |
04/15/1987 | EP0217791A1 A process for absorbing water having a ph less than four. |
04/07/1987 | CA1220151A1 Demulsification of bitumen emulsions using polyalkylene polyamine salts |
03/24/1987 | CA1219529A1 Separating device and cartridge therefor |
03/17/1987 | CA1219236A1 Diluent distallation process and apparatus |
03/17/1987 | CA1219187A1 Process for breaking emulsions produced during recovery of bitumens and heavy oils |
03/04/1987 | EP0212265A1 Quaternized alkoxylated polycondensates, process for their preparation and their use |
01/28/1987 | EP0209850A1 Alkoxylated polyester amine, process for its preparation and its use |
01/21/1987 | CN86105817A Electrostatic mixer/separator |
01/06/1987 | US4634520 De-asphalting heavy crude oil and heavy crude oil/water emulsions |
12/23/1986 | US4631337 Hydrolytically-stable dense star polyamine |
12/03/1986 | EP0203703A1 Fuel filter and dehydrator element and method of filtering and dehydrating fuel |
12/03/1986 | CN86102276A Electric voltage adjusting and power supply compensating installation for the crude oil dewatering process |
12/02/1986 | US4626379 Demulsifier composition and method of use thereof |
11/25/1986 | US4624765 Separation of dispersed liquid phase from continuous fluid phase |
11/25/1986 | CA1214400A1 Water shedding device |
11/20/1986 | WO1986006647A1 Water absorbent packet |
11/20/1986 | EP0201955A1 Treatment of a fuel of a mixture of hydrocarbons and alcohols, and product obtained therefrom by selective adsorption of water |
11/18/1986 | US4623560 Method of making water removing filter media |
11/18/1986 | US4623447 Distillation, vacuum distillation |
10/28/1986 | US4619764 Use in vacuum or suction side fuel filter systems |
10/23/1986 | WO1986006000A1 A process for absorbing water having a ph less than four |
10/21/1986 | US4618388 Water removing filter media and method of making the same |
09/30/1986 | CA1212063A1 Method for treating tar sands emulsion and apparatus therefor |
09/23/1986 | US4613340 Residual oil sludge dispersant |
09/03/1986 | EP0192999A1 Use of condensation products of thioalkylene oxides or polythioalkylene oxides with polyalkylene oxides to break water-in-oil emulsions |
09/02/1986 | US4609458 Porous ceramic for adsorption; monitored for sorptive depletion |
09/02/1986 | US4609010 Fluid inlet distributor |
08/21/1986 | EP0157793A4 Method for removing insoluble sulfide pads at oil/water interfaces. |
08/19/1986 | US4606801 Extraction of contaminants |
08/19/1986 | CA1210022A1 Use of quaternized polyamidoamines as demulsifiers |
08/05/1986 | US4604205 Water removing filter media |
07/29/1986 | CA1208570A1 Filter separator with heater |
07/23/1986 | EP0188119A1 Method for desalting crude oil |
07/22/1986 | US4601834 Electrostatic |
07/22/1986 | US4601381 Fluid vacuum distillation system |
07/22/1986 | CA1208151A1 Demulsification of bitumen emulsions using combinations of chemical agents |
07/15/1986 | US4600501 Process for breaking emulsions produced during recovery of bitumens and heavy oils |
07/15/1986 | CA1207698A1 Method for removing solids and water from petroleum crudes |
07/08/1986 | CA1207268A1 Method for removing solids and water from petroleum crudes |
07/08/1986 | CA1207267A1 Methods for removing particulate solids and water from petroleum crudes |
07/02/1986 | EP0186029A2 Process for separating oil-in-water emulsions |
07/02/1986 | CA1207018A Voltage control system for electrostatic oil treater |
07/02/1986 | CA1207017A Control for an electrostatic treater |
07/01/1986 | US4597874 Treatment of oil well production |
06/24/1986 | US4596653 Treating oil and water emulsion with polysiloxane polyalkylene oxide polymer |
06/11/1986 | EP0184434A2 Method for desalting crude oil |
06/10/1986 | CA1205767A1 Demulsification of bitumen emulsions using polyureas |
06/03/1986 | US4592849 Method for removing water from produced crude oil |
05/27/1986 | CA1205021A1 Use of microwave radiation in separating emulsions and dispersions of hydrocarbons and water |
05/20/1986 | US4589998 Adjusting temperature and salinity |