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| Number | Title | Issue Date |
| 7373276 | Quantitative evaluation of emulsion stability based on critical electric field measurements A method for quantitative evaluation of emulsion stability using Critical Electric Field (CEF) determinations over a range of conditions, such as a range of temperatures, demulsifier compositions, or demulsifier concentrations. The method includes determining the CE... | 05/13/2008 |
| 7351320 | Multiple frequency electrostatic coalescence A method of augmenting the separation of immiscible heavier and lighter components of an emulsion including the steps of conducting the emulsion into a treatment vessel, providing an AC voltage source, employing from the source an AC voltage of at least one selected... | 04/01/2008 |
| 7169617 | Device and method for quantitatively determining an analyte, a method for determining an effective size of a molecule, a method for attaching molecules to a substrate, and a device for detecting molecules A device for quantitatively determining an analyte is provided to conspicuously improve the performance of the quantitative determination. This device is equipped with a flow channel, an analyte detecting unit for capturing and detecting the analyte, and a quantitat... | 01/30/2007 |
| 7038655 | Electrophoretic ink composed of particles with field dependent mobilities An electrophoretic display has a viewing surface, and includes an image pixel. The image pixel includes a first plurality of particles having a first mobility, and a second plurality of particles having a second mobility. At a first addressing voltage, the first mob... | 05/02/2006 |
| 6428669 | Method for separating the constituents of a dispersion In order to improve the efficiency of the separation of an insulating liquid from a dispersum, in particular of water dispersed in oil, the electric conductivity of a dispersion having the dispersion constituents is measured continuously or discontinuousl... | 08/06/2002 |
| 5861089 | Electric field enhanced coalescence of emulsions comprising a silicon containing compound or silicon containing polymer A process for separating an emulsion into separate and easily recoverable phases. The process comprises exposing an emulsion comprising a discontinuous phase and a non-conducting continuous phase to an electric field thereby effecting coalescence of the d... | 01/19/1999 |
| 5746907 | Method to remove metals from residuals A method is provided to remove metals from a residual oil containing an initial amount of a selected metal, the method comprising the steps of: providing a vessel for exposing the residual oil to a DC electric field having a strength of about one kV/inch or gr... | 05/05/1998 |
| 5643431 | Method for augmenting the coalescence of water in a water-in-oil emulsion A method of augmenting the coalescence of water in an emulsion having a heavier water component that is relatively electrically conductive and a lighter oil component that is relatively non-conductive, including the steps of tangentially injecting the emu... | 07/01/1997 |
| 5580464 | Resolution of emulsions A method and apparatus for separating the components of an emulsion comprising an electrically conductive component dispersed in a continuous phase of a substantially electrically insulating component, for instance, a water-in-oil emulsion. The method inc... | 12/03/1996 |
| 5575896 | Method and apparatus for oil/water separation using a dual electrode centrifugal coalescer A method and apparatus for augmenting the coalescence of water in a water-in-oil emulsion. The apparatus includes a tubular vessel having a cylindrical side wall and opposed ends. A tangential inlet in the cylindrical side wall is adjacent one of the vess... | 11/19/1996 |
| 5565078 | Apparatus for augmenting the coalescence of water in a water-in-oil emulsion A method and apparatus of augmenting the coalescence of water in a water-in-oil emulsion in which the emulsion is tangentially ejected into the interior of a cylindrically walled vessel to cause the emulsion to flow circumferentially within the vessel and... | 10/15/1996 |
| 5421972 | Process and apparatus for removing soluble contaminants from hydrocarbon streams A method for removing soluble contaminants, such as acetonitrile, from a non-polar hydrocarbon stream into a polar water stream by countercurrent flow between an electrostatic field generated by a pair of parallel electrodes. The electrostatic field is mo... | 06/06/1995 |
| 5352343 | Separation of the components of liquid dispersions The invention provides a method of separating the components of a liquid/liquid dispersion or emulsion, comprising the step of applying simultaneously to the dispersion or emulsion both an electric field and an aligned centrifugal force, in such a way as ... | 10/04/1994 |
| 5262027 | Method of using an electric field controlled emulsion phase contactor A system for contacting liquid phases comprising a column for transporting a liquid phase contacting system, the column having upper and lower regions. The upper region has a nozzle for introducing a dispersed phase and means for applying thereto a vertic... | 11/16/1993 |
| 5106468 | Electrophoretic separation For the electrophoretic separation of a dispersed phase or contaminant (solid, liquid, or gaseous) from a continuous liquid phase under conditions of intrinsic ionic conductivity due to intrinsic bipolar ions in the continuous phase, especially for conduc... | 04/21/1992 |
| 4238326 | Fluid processor apparatus and method Disclosed is a fluid processing apparatus and method wherein a plurality of alternating, permanently magnetic cathode plates and anode plates having applied thereto frequency controlled, square wave pulses superimposed over a constant base voltage so as t... | 12/09/1980 |
| 3981789 | Apparatus for oil dewaxing A method of dewaxing oil which employs the application of reversing electromotive force to the oil while it is being chilled, in order to prevent adherence of the wax crystals. An apparatus combination for dewaxing oil. It includes an elongated container ... | 09/21/1976 |
