| Patents for C10G 33 - De-watering or demulsification of hydrocarbon oils (2,962) |
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| 03/27/1991 | CN1050212A Method for breaking emulsions |
| 03/05/1991 | CA1281034C Oxalkylated polyester-amines, a process for their preparation and their use |
| 02/27/1991 | EP0414424A2 Method for breaking emulsions |
| 02/26/1991 | US4995495 Dewatering and desanding to upgrade oil to pipeline quality |
| 02/25/1991 | CA2023465A1 Method for breaking emulsions |
| 02/12/1991 | CA1280075C Separating oil phase from aqueous phase using an apertured oleophilic sieve in contact with an apertured cylindrical cage wall |
| 02/06/1991 | CN2070736U Explosion-proof insulated rod |
| 02/05/1991 | US4990237 Demetallization by heating, condensing and centrifuging to separate water and oil products for reuse |
| 12/19/1990 | CN1047882A Inhibiting emulsification in alkali wash process of straight-run oils by adding additives |
| 11/06/1990 | US4968449 Crude oil emulsions |
| 11/06/1990 | US4968410 Purification, reuse |
| 10/24/1990 | EP0393986A1 Treatment of hydrocarbon fuel |
| 10/17/1990 | CA2014541A1 Treatment of hydrocarbon fuel |
| 10/16/1990 | US4963264 Process for selective dialysis using polymeric affinity adsorbents and size selective membranes |
| 10/09/1990 | US4961858 Process for the demulsification of oil/water emulsions using organic demulsifiers and the use of said process |
| 09/26/1990 | EP0389346A1 Device for the separation of two non-miscible liquids and its application for the desalting of a hydrocarbon batch |
| 09/26/1990 | CN2062736U Safety device for high-voltage electric conduction of petroleum dehydrator |
| 09/12/1990 | EP0387219A1 Solid fumaric acid-solid barium chromate catalyst for removing impurities and residual moisture and method for its use |
| 09/11/1990 | CA1273896A1 Separating dispersed liquid phase from continuous phase by electrostatic coalescence |
| 08/29/1990 | EP0384906A1 Method for removing impurities and residual moisture from petroleum fuels |
| 08/28/1990 | CA1273362A1 Quaternary oxalkylated polycondensates, a process for their preparation and their use |
| 08/14/1990 | US4947885 Brine monitor |
| 08/10/1990 | CA2008717A1 Solid fumaric acid-solid barium chromate catalyst for removing impurities and residual moisture and method for its use |
| 08/10/1990 | CA2007264A1 Method for removing impurities and residual moisture from petroleum fuels |
| 08/07/1990 | CA1272465A1 Electrostatic mixer/separator |
| 08/01/1990 | CN1044290A Crude oil desalting and dewatering by filteration |
| 06/26/1990 | CA1270641A1 Process for treating a fuel made up of a mixture of hydrocarbons and alcohols, and selective water absorption product |
| 06/19/1990 | US4935162 Alkoxylated amido-containing polyamines and their use for breaking oil-in-water and water-in-oil emulsions |
| 06/12/1990 | US4933089 Conveying production fluid into contact with metal having nickel content greater than seventy-five percent |
| 05/23/1990 | EP0368964A1 Process for extracting water from a liquid fluid. |
| 05/22/1990 | US4927511 Method and device for breaking a disperse system in an electrochemical cell |
| 04/10/1990 | CA1267584A1 Demulsifiers |
| 04/10/1990 | CA1267583A1 Treatment of oil well production |
| 03/07/1990 | EP0217791B1 A process for absorbing water having a ph less than four |
| 02/27/1990 | US4904345 Separation, mixing dirt with fuel, combustion, and using heat to evaporate water |
| 01/24/1990 | EP0179870B1 Separation of dispersed phase from continuous phase |
| 01/23/1990 | US4895641 Emulsifying surfactant or alkali, low shear, demulsification |
| 01/23/1990 | US4895640 Method for removing impurities and residual moisture from petroleum fuels |
| 01/23/1990 | CA1264680A1 Gas temperature control system for natural gas separator |
| 01/17/1990 | EP0350755A1 Method for the dissociation of an oil-in-water emulsion by use of organic dissociation products and use of the method |
| 01/16/1990 | CA1264443A1 System for separating oil-water emulsion |
| 01/09/1990 | US4892567 Simultaneous removal of mercury and water from fluids |
| 12/26/1989 | US4889537 Using cationic exchange resins in form of potassium or magnesium salts; stabilizing homogeneity |
| 12/19/1989 | US4888117 Passing stream through element of sintered polymer with fine porous structure |
| 12/19/1989 | US4888107 Treating with organosiloxane having a quaternary ammonium group |
| 12/05/1989 | US4885111 Corrosion inhibitors and demulsifiers of crude oil emulsions |
| 12/05/1989 | US4885110 Branched polyoxyalkylene copolyesters, a process for their preparation, and their use |
| 11/14/1989 | CA1262871A1 Filter block mounted fuel processor apparatus |
| 11/14/1989 | CA1262855A1 Residual oil sludge dispersant |
| 11/07/1989 | US4879014 Neutralization, demulsification |
| 11/02/1989 | WO1989010392A1 Process for extracting water from a liquid fluid |
| 10/31/1989 | US4877842 Demulsifier compositions and methods of preparation and use thereof |
| 09/26/1989 | US4870151 Polyurea-modified polyetherurethanes and their use as emulsion breakers for water-in-oil emulsions |
| 09/26/1989 | US4869830 Separation, deoiling and softening of water; energy efficient |
| 09/26/1989 | CA1260423A1 Method for desalting crude oil |
| 09/20/1989 | EP0333141A2 Process for the separation of mineral oil emulsions of the type water-in-oil |
| 09/20/1989 | EP0333135A2 Esterified Glycidylether-addition products and their use |
| 09/12/1989 | US4865730 Apparatus for the removal of ferromagnetic materials from liquids, organic or inorganic compounds respectively mixtures--in particular fuels--, for treating with magnetic field and reduction of surfacial stresses |
| 09/06/1989 | EP0331323A2 Demulsifier compositions and methods of preparation and use thereof |
| 09/05/1989 | US4863602 Flexible filter element employing filtering sheets formed with bypass openings |
| 08/29/1989 | US4861470 Device for removing water from a fuel tank |
| 08/08/1989 | US4855060 Dithiocarbamate of dihexamethylenetriamine |
| 07/11/1989 | CA1302937B Crude Oil Treater |
| 07/04/1989 | US4844980 Silica or silicic acid particles whose surface located hydroxyl groups are at least partially replaced by organic groups |
| 06/20/1989 | US4840732 Fuel tank cleaning system |
| 05/31/1989 | EP0317816A1 Process and device for separating a disperse system into an electrochemical cell |
| 05/30/1989 | US4835234 Hydrophobically functionalized cationic polymers |
| 05/16/1989 | US4831092 Micellar process for preparing hydrophobically functionalized cationic polymers (C-2114) |
| 05/16/1989 | CA1254171A1 Method and apparatus for separating oilfield emulsions |
| 04/25/1989 | CA1253112A1 Method for desalting crude oil |
| 03/28/1989 | CA1251742A1 Treatment of oil well production |
| 03/21/1989 | US4814394 Polyethers obtainable by reacting alkylolated bis-(4-hydroxyphenyl)-methanes with polyalkylene oxides, and their use as oil demulsifiers |
| 03/21/1989 | US4814044 Heat exchangers to vaporize and purify water |
| 03/14/1989 | US4812225 Conditioning |
| 03/08/1989 | EP0306231A2 Flexible filter element employing filtering sheets formed with bypass openings |
| 03/07/1989 | US4810375 Microwave emulsion treater with oily water recycle for water load |
| 02/28/1989 | US4808304 Apparatus for the dewatering of phosphate slimes |
| 02/14/1989 | US4804453 Resolution of emulsions with multiple electric fields |
| 02/07/1989 | CA1249760A1 Treatment of waste oils |
| 02/01/1989 | EP0301139A1 Fuel filter and dehydrator element |
| 12/15/1988 | DE3717636A1 Process and device for separating an emulsion in an electric field |
| 12/13/1988 | CA1246421A1 Method for the separation of oil-in-water emulsions |
| 12/08/1988 | DE3717633A1 Method for the electrolytic separation of an oil/water emulsion |
| 11/29/1988 | CA1245569A1 Drain system for fuel processor apparatus |
| 11/23/1988 | EP0292204A2 Method for coalescence |
| 11/08/1988 | CA1244586A1 Dense star polymers: a novel structural class of polymers |
| 10/25/1988 | US4780211 Method of dewatering using PTFE membrane |
| 10/18/1988 | US4778443 Gas-oil-water separation system and process |
| 10/13/1988 | DE3710574A1 Desiccant bag for oil and other liquids |
| 09/20/1988 | US4772401 Cleaning fuel tanks using a gravity separator; agitation of sludge; continuous process |
| 09/14/1988 | EP0281801A1 Use of polyurea-modified polyetherurethanes as an emulsion-breaker |
| 09/13/1988 | US4770792 Process and apparatus for separating fluids |
| 09/13/1988 | CA1242017A1 Heater and water probe |
| 09/07/1988 | EP0280760A2 Apparatus for treating materials, in particular fuels, with a magnetic field |
| 08/23/1988 | CA1240953A1 Method and apparatus for separating impurities from low conductivity liquids |
| 08/11/1988 | DE3703525A1 Device for reprocessing oil sludge |
| 08/03/1988 | EP0277060A1 De-emulsifying and antifouling agent useful for breaking water-hydrocarbon mixtures, possibly emulsions, and processes for using it |
| 07/19/1988 | US4758350 Process and apparatus to remove separated water from contained hydrocarbon fuel |
| 07/19/1988 | CA1239371A1 De-asphalting heavy crude oil and heavy crude oil/water emulsions |
| 07/14/1988 | DE3644665A1 Process for separating mixtures of oil and water |