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Class Information
Number: 210/735
Name: Liquid purification or separation > Processes > Making an insoluble substance or accreting suspended constituents > Utilizing organic precipitant > Synthetic polymer > Nitrogen containing (e.g., amine, azo, etc.)
Description: Process in which the polymer includes amino, azo, or N-cyclic units.










Sub-classes under this class:

Class Number Class Name Patents
210/736 Derived from alkyl halide or epihalophydrin reactant 114


Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8702993 Amine-aldehyde resins and uses thereof in separation processes Apr. 22, 2014
8628669 Methods to recover and reclaim hydrocarbons or hydrophobic substances in an aqueous environment Jan. 14, 2014
8586338 Ligand functionalized substrates Nov. 19, 2013
8562838 Method for treating mineral sludge above ground using polymers Oct. 22, 2013
8435776 Ligand functionalized polymers May. 7, 2013
8377672 Ligand functionalized polymers Feb. 19, 2013
8353641 Systems and methods for removing finely dispersed particulate matter from a fluid stream Jan. 15, 2013
8349188 Systems and methods for removing finely dispersed particulate matter from a fluid stream Jan. 8, 2013
8323509 Rehabilitation method Dec. 4, 2012
8236180 Boron removal method utilizing sugar amide derivative Aug. 7, 2012
8211389 Metal scavenging polymers and uses thereof Jul. 3, 2012
8123953 Use of PVPP to remove contaminants from produced water of an oil or gas well Feb. 28, 2012
8110163 Complexation and removal of heavy metals from flue gas desulfurization systems Feb. 7, 2012
8021556 Method of clarifying industrial wastewater for the reduction of organic waste content using cationic dispersion polymers combined with powdered activated carbon and anionic flocculent polymers Sep. 20, 2011
7875189 Method for separating suspended solid materials from aqueous systems with colloidal flocculants Jan. 25, 2011
7846339 Method for removing boron Dec. 7, 2010
7824553 Process for dewatering a mineral slurry concentrate and increasing the production of a filter cake Nov. 2, 2010
7758757 Method for removing hydrazine compounds Jul. 20, 2010
7560032 High molecular weight polymers containing pendant salicylic acid groups for clarifying Bayer process liquors Jul. 14, 2009
7514007 Use of water-soluble polymer complexes in aqueous systems Apr. 7, 2009
7497955 Method of dewatering thin stillage processing streams Mar. 3, 2009
7431845 Method of clarifying oily waste water Oct. 7, 2008
7374690 Processes for removing oil from solid wellbore materials and produced water May. 20, 2008
7375173 Ecofriendly cationic polyelectrolytes May. 20, 2008
7344647 Process for treating waste water to remove contaminants Mar. 18, 2008
7341668 Filter aid and method of using same for reclaiming water-based fluids used in metal working processes Mar. 11, 2008
7338608 Solid-liquid separation of oil-based muds Mar. 4, 2008
7338605 Filter aid and method of using same for reclaiming water-based fluids used in metal working processes Mar. 4, 2008
7338604 Process for recycling paint flush solution Mar. 4, 2008
7264736 Removal of non-water soluble substances from solutions of aqueous metal extracts Sep. 4, 2007
7264729 Process for reducing contaminants in condensate resulting from the conversion of bauxite to alumina Sep. 4, 2007
7192527 Processes for removing oil from solid wellbore materials and produced water Mar. 20, 2007
7179385 Method for treating paint booth water systems Feb. 20, 2007
7138472 High molecular weight polymers containing pendant salicylic acid groups for clarifying bayer process liquors Nov. 21, 2006
7063792 Method for separating metals such as zirconium and hafnium Jun. 20, 2006
7063793 Apparatus and method for removing mercury and mercuric compounds from dental effluents Jun. 20, 2006
7048859 Method for treatment of aqueous streams comprising biosolids May. 23, 2006
6926832 Method of using water soluble polymers in a membrane biological reactor Aug. 9, 2005
6821440 Treatment of mineral materials Nov. 23, 2004
6818131 System and process for CU-CMP wastewater treatment Nov. 16, 2004
6733672 System and method for the treatment of soot-laden water May. 11, 2004
6723245 Method of using water soluble cationic polymers in membrane biological reactors Apr. 20, 2004
6702946 Aqueous dispersions Mar. 9, 2004
6635182 Floatation process for removal of heavy metal waste and associated apparatus Oct. 21, 2003
6627086 Methods of producing polyarylamines and using them for detackifying paint and removing color from aqueous systems Sep. 30, 2003
6627087 Method of removing lead from water using a high molecular weight cationic dispersion polymer Sep. 30, 2003
6613230 Method for simultaneous removal of arsenic and fluoride from aqueous solutions Sep. 2, 2003
6610209 Use of polymers containing vinylamine/vinylformamide for the treatment of food processing wastewater Aug. 26, 2003
6576594 Water treatment process Jun. 10, 2003
6527959 Method of clarifying bayer process liquors using salicylic acid containing polymers Mar. 4, 2003

1 2 3 4 5 6 7










 
 
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