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Class Information
Number: 210/729
Name: Liquid purification or separation > Processes > Making an insoluble substance or accreting suspended constituents > Utilizing organic precipitant
Description: Process in which an organic compound or composition brings about the precipitation.










Sub-classes under this class:

Class Number Class Name Patents
210/730 From natural source or chemical modification thereof 198
210/732 Synthetic polymer 208


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8596346 Coal fines flocculation from produced water using oil-soluble phosphate ester Dec. 3, 2013
8585903 Water purification Nov. 19, 2013
8580917 Method of purifying block copolymers Nov. 12, 2013
8506821 Dewatering system Aug. 13, 2013
8425781 Materials and process for enhancing selective separations Apr. 23, 2013
8383764 Method of purifying block copolymers Feb. 26, 2013
8313654 Methods for flocculating suspensions using biobased renewable flocculants Nov. 20, 2012
8282835 Removal of selenium from refinery wastewater Oct. 9, 2012
8241503 Enhanced high water recovery membrane process Aug. 14, 2012
8197696 Methods to control the precipitation of inorganic materials and/or to scrub flue gas Jun. 12, 2012
8137567 Method for fluid remediation and removing particulates from an aqueous stream Mar. 20, 2012
8110163 Complexation and removal of heavy metals from flue gas desulfurization systems Feb. 7, 2012
8066885 Process for the removal of impurities from carbonate minerals Nov. 29, 2011
8034246 Wastewater mercury removal process Oct. 11, 2011
7981295 Enhanced high water recovery membrane process Jul. 19, 2011
7820058 Methods of enhancing fine particle dewatering Oct. 26, 2010
7799230 Method for treatment of oil to facilitate its subsequent removal Sep. 21, 2010
7771681 Method for improved aluminum hydroxide production Aug. 10, 2010
7678281 Method of reclaiming brine solutions using an organic chelant Mar. 16, 2010
7674384 Method of reclaiming brine solutions using an organic chelant Mar. 9, 2010
7592170 Selective precipitation of viruses using polyectrolytes Sep. 22, 2009
7563302 Apparatus and method for manure reclamation Jul. 21, 2009
7335310 Method of treating wastewater containing hardly decomposable harmful substances Feb. 26, 2008
7255795 Process for selectively removing molybdenum from liquid mixtures containing it together with vanadium Aug. 14, 2007
7244364 FCC-CFD cat' fine desalting: a method and system for separating hydrocarbons and extracting catalyst fines from a slurry oil/catalyst fines/diluent mixture Jul. 17, 2007
7172703 Method of reclaiming a well completion brine solutions using an organic chelant Feb. 6, 2007
7147783 Method for reducing hydrogen sulfide emissions from wastewater Dec. 12, 2006
7144512 Method of reclaiming brine solutions using an organic chelant Dec. 5, 2006
7083731 Precious metal scavenging from a liquid medium with a functionalised polymer fiber Aug. 1, 2006
7063793 Apparatus and method for removing mercury and mercuric compounds from dental effluents Jun. 20, 2006
6989103 Method for separating fluids Jan. 24, 2006
6977048 Method of recycling water contaminated oil based drilling fluid Dec. 20, 2005
6946076 Removal of phosphate from water Sep. 20, 2005
6921487 Removal of zinc salts from nonaqueous synthesis solutions comprising zinc alkoxides or zinc amides Jul. 26, 2005
6896809 Methods for purifying chitosan May. 24, 2005
6884613 Selective precipitation of viruses Apr. 26, 2005
6855260 Methods of enhancing fine particle dewatering Feb. 15, 2005
6846417 Co-retarding agents for preparing purified brine Jan. 25, 2005
6846432 Removal of phosphate from water Jan. 25, 2005
6821439 Water purification using organic salts Nov. 23, 2004
6797178 Method for removing mercury and mercuric compounds from dental effluents Sep. 28, 2004
6797180 Dewatering sand with surfactants Sep. 28, 2004
6746611 Method and composition for scavenging sulphide in drilling fluids and composition Jun. 8, 2004
6736977 Apparently dry waste management system May. 18, 2004
6723245 Method of using water soluble cationic polymers in membrane biological reactors Apr. 20, 2004
6723249 Detoxification of onium compounds Apr. 20, 2004
6673245 Use of surface-active agents in the impurity removal process from solutions containing acetic derivatives using nano-filtration with membranes, in a process to obtain cellulose acetate Jan. 6, 2004
6663778 Process for the treatment of aqueous streams containing inorganics Dec. 16, 2003
6652758 Simultaneous ammonia and fluoride treatment for wastewater Nov. 25, 2003
6533938 Polymer enhanced diafiltration: filtration using PGA Mar. 18, 2003

1 2 3 4 5 6










 
 
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