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Class Information
Number: 210/799
Name: Liquid purification or separation > Processes > Separating > Filtering immiscible liquids
Description: Process in which a mixture of mutually insoluble liquids are passed through a sieve or strainer.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8678202 Modular filter elements for use in a filter-in-filter cartridge Mar. 25, 2014
8679341 Method of concentrating nanoparticles and method of deaggregating aggregated nanoparticles Mar. 25, 2014
8590712 Modular filter elements for use in a filter-in-filter cartridge Nov. 26, 2013
8460555 Centralized sump oil and acid oil treatment process and system Jun. 11, 2013
8431028 Method and system for automated water drainage in fuel system Apr. 30, 2013
8409448 Mixed hydrophilic/hydrophobic fiber media for liquid-liquid coalescence Apr. 2, 2013
8394256 Method for haze mitigation and filterability improvement for base stocks Mar. 12, 2013
8376145 Device for purification of water from petroleum and / or petroleum-derived products Feb. 19, 2013
8360251 Multi-layer coalescing media having a high porosity interior layer and uses thereof Jan. 29, 2013
8354028 Method for separating an organic phase from an electrolyte-containing aqueous and organic phase Jan. 15, 2013
8308957 Process for separating mercaptans from caustic Nov. 13, 2012
8303824 Methods and apparatuses for filtering water from a river or stream Nov. 6, 2012
8221634 Process and apparatus for separating and recovering waste alkali from cyclohexane oxidation solution Jul. 17, 2012
8177984 Methods especially useful for separating water-hydrocarbon emulsions having low interfacial tensions May. 15, 2012
8158010 Filter sleeve for enabling waste water discharge directly into the environment Apr. 17, 2012
8088281 Separation of hydrocarbons from water Jan. 3, 2012
8080166 Multi-phase separation method Dec. 20, 2011
7879245 Process for treating industrial effluent water with activtated media Feb. 1, 2011
7850929 Contact structures Dec. 14, 2010
7846342 Hydraulic fluid dehydration system and method including pre-heating Dec. 7, 2010
7833499 Separation process Nov. 16, 2010
7762976 Automatic air removal system Jul. 27, 2010
7635435 Method and apparatus for oil water separation Dec. 22, 2009
7597809 Methods for removal of oil and other contaminants from water Oct. 6, 2009
7575690 Recycling hydrocarbon hydraulic stimulation fluid Aug. 18, 2009
7572382 Recycling hydrocarbon hydraulic stimulation fluid Aug. 11, 2009
7553418 Method for water filtration Jun. 30, 2009
7527739 Apparatus, system, and method for multistage water separation May. 5, 2009
7527697 Process for removing water and apparatus for removing water May. 5, 2009
7527738 Method and apparatus for oil spill containment May. 5, 2009
7517944 Process for producing polycarbonate Apr. 14, 2009
7445708 Plant for purifying water contaminated by droplets of hydrocarbonaceous liquid Nov. 4, 2008
7429332 Separating constituents of a fluid mixture Sep. 30, 2008
7416103 Flow soldering apparatus Aug. 26, 2008
7416667 Polyurethane oil de-emulsification unit Aug. 26, 2008
7413657 Method for selective extraction Aug. 19, 2008
7364663 Filter system Apr. 29, 2008
7329347 Separating device Feb. 12, 2008
7300575 Portable filter system Nov. 27, 2007
7247241 Process for treating lipophilic fluid Jul. 24, 2007
7163636 Multi-phase separation system Jan. 16, 2007
7094344 Filter device Aug. 22, 2006
7014779 Vacuum separation, transport and collection system for immiscible liquids Mar. 21, 2006
6926827 Fuel dispenser filter with removable filter media Aug. 9, 2005
6919034 System and method for separating immiscible fluids Jul. 19, 2005
6881328 Method for evacuating water that has been separated in a fuel filter and a device for carrying out said method Apr. 19, 2005
6841077 Separation of hydrocarbons from hydrocarbon containing liquid Jan. 11, 2005
6818126 Filter system Nov. 16, 2004
6780334 Separating apparatus and method of separating Aug. 24, 2004
6749757 Method and apparatus for removing hydrocarbons from water Jun. 15, 2004

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