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