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Class Information
Number: 210/734
Name: Liquid purification or separation > Processes > Making an insoluble substance or accreting suspended constituents > Utilizing organic precipitant > Synthetic polymer > Acrylic > Nitrogen containing (e.g., amine, azo, etc.)
Description: Process in which the polymer includes acrylic units and amino, azo, or N-cyclic units.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11

Patent Number Title Of Patent Date Issued
8628669 Methods to recover and reclaim hydrocarbons or hydrophobic substances in an aqueous environment Jan. 14, 2014
8591744 Composition and process for removing impurities from a circulating water system Nov. 26, 2013
8562838 Method for treating mineral sludge above ground using polymers Oct. 22, 2013
8557125 Treatment additives, methods for making and methods for clarifying aqueous media Oct. 15, 2013
8506822 Concentration of suspensions Aug. 13, 2013
8323509 Rehabilitation method Dec. 4, 2012
8211389 Metal scavenging polymers and uses thereof Jul. 3, 2012
8158005 Functional composites formed from colloidal polymer particles with photocatalytic metal oxide (MO.sub.x) nanoparticles Apr. 17, 2012
8147651 Use of cyclodextrins for odor control in papermaking sludges, and deodorized sludge and products Apr. 3, 2012
8147703 Method for processing sludge Apr. 3, 2012
8101085 Process for treating animal husbandry effluent slurry by pre-treatment and electroflotation Jan. 24, 2012
8097167 Concentration of suspensions Jan. 17, 2012
8088288 Dewatering process Jan. 3, 2012
8057684 Installation for the flocculation of sludge loaded with suspended matter, method using the installation Nov. 15, 2011
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
7976248 Surfactant-based water treatment for irrigated soils Jul. 12, 2011
7972084 System for surfactant-based water treatment for irrigated soils Jul. 5, 2011
7943048 Methods for recovering tallow from wastewater May. 17, 2011
7901583 Treatment of aqueous suspensions Mar. 8, 2011
7875189 Method for separating suspended solid materials from aqueous systems with colloidal flocculants Jan. 25, 2011
7875188 Treatment of aqueous suspensions Jan. 25, 2011
7867400 Production of a fermentation product Jan. 11, 2011
7862744 Methods and systems for preparing materials for sucralose production Jan. 4, 2011
7828979 Method of converting animal wastes to energy and useful by-products Nov. 9, 2010
7824553 Process for dewatering a mineral slurry concentrate and increasing the production of a filter cake Nov. 2, 2010
7815807 Surfactant-based water treatment for irrigated soils Oct. 19, 2010
7811458 Method for treating aqueous sludge, material so produced and the use thereof Oct. 12, 2010
7790042 Method for the removal of submicron particulates from chlorinated water by sequentially adding a cationic polymer followed by adding an anionic polymer Sep. 7, 2010
7754086 Dewatering process Jul. 13, 2010
7754087 Dewatering process Jul. 13, 2010
7754088 Process for the dewatering of aqueous suspensions Jul. 13, 2010
7749392 Dewatering process Jul. 6, 2010
7718075 Method for improving the consolidation and dewatering of suspended particulate matter May. 18, 2010
7608191 Production of a fermentation product Oct. 27, 2009
7595002 Use of amino acid and carbohydrate polymers in soil retention, water conservation, and water clarification Sep. 29, 2009
7595007 Amino acid and carbohydrate polymers for use in soil retention, water conservation, water clarification, and dust control Sep. 29, 2009
7563378 Dual injection of two polymeric filtration aids for gypsum removal from phosphoric acid/gypsum slurry Jul. 21, 2009
7560032 High molecular weight polymers containing pendant salicylic acid groups for clarifying Bayer process liquors Jul. 14, 2009
7553423 Method for treating aqueous sludge, material so produced and the use thereof Jun. 30, 2009
7517458 Process obtaining landfill disposable wasted from hydrocarbon containing sludge Apr. 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
7413681 Process to dewater a soot water slurry obtained in a gasification process Aug. 19, 2008
7396474 Dual injection of two polymeric filtration aids for gypsum removal from phosphoric acid/gypsum slurry Jul. 8, 2008
7384562 Treatment of brown grease Jun. 10, 2008
7375173 Ecofriendly cationic polyelectrolytes May. 20, 2008
7264736 Removal of non-water soluble substances from solutions of aqueous metal extracts Sep. 4, 2007
7250462 Amphoteric water-soluble polymer dispersion and use thereof Jul. 31, 2007
7189327 Use of anionic copolymers for enhanced recovery of useful coal and potassium chloride from screen bowl centrifuge Mar. 13, 2007

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