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Class Information
Number: 210/634
Name: Liquid purification or separation > Processes > Liquid/liquid solvent or colloidal extraction or diffusing or passing through septum selective as to material of a component of liquid; such diffusing or passing being effected by other than only an ion exchange or sorption process
Description: Process in which either (a) a dissolved or suspended constituent of the liquid is preferentially dissolved or dispersed into a second liquid, or (b) a constituent of the liquid is selectively allowed to migrate through a barrier.










Sub-classes under this class:

Class Number Class Name Patents
210/644 Diffusing or passing through septum selective as to material of a component in liquid/liquid solvent or colloidal extraction 329
210/649 Diffusing or passing through septum selective as to material of a component of liquid 240
210/642 Extracting water from brine utilizing liquid/liquid solvent or colloidal extraction 43
210/636 Including cleaning or sterilizing of apparatus 463
210/638 Including ion exchange or other chemical reaction 872
210/639 Including prior use of additive (e.g., changing ph, etc.) 552
210/637 Including regulating pressure to control constituent gradient at membrane or to prevent rupture of membrane 176
210/635 Liquid/liquid or gel type (i.e., jellylike) chromatography 1,083
210/640 Passing through membrane in vapor phase 489
210/643 Utilizing liquid membrane (e.g., emulsion) in liquid/liquid solvent or colloidal extraction 110
210/641 Utilizing plural diverse membranes 277


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

Patent Number Title Of Patent Date Issued
8679341 Method of concentrating nanoparticles and method of deaggregating aggregated nanoparticles Mar. 25, 2014
8679343 Revaluation of aqueous waste streams in the propylene oxide/styrene co-production process Mar. 25, 2014
8664438 Process for producing carbonyl difluoride Mar. 4, 2014
8658428 Methodology for determination of nitrogen content in nitrocellulose Feb. 25, 2014
8641910 Systems and processes for producing biofuels from biomass Feb. 4, 2014
8617404 Fluid filter apparatus and methods Dec. 31, 2013
8617396 Non-dispersive process for insoluble oil recovery from aqueous slurries Dec. 31, 2013
8603328 Carbon dioxide corn germ oil extraction system Dec. 10, 2013
8591825 Extraction apparatus Nov. 26, 2013
8591737 Waste water treatment from a biomass-to-liquid process comprising synthesis gas production and integrated factory facility Nov. 26, 2013
8585902 Process for recovering products from fermentation Nov. 19, 2013
8580111 Device for separating fuel components Nov. 12, 2013
8580116 Near-critical fluid extraction process Nov. 12, 2013
8574440 Method and article of manufacture for solvent extraction operation Nov. 5, 2013
8577623 Anti-terrorism water quality monitoring system Nov. 5, 2013
8573404 Continuous particle and macro-molecular zeta potential measurements using field flow fractionation combined micro-electrophoresis Nov. 5, 2013
8568587 Electro-spun fibers and applications therefore Oct. 29, 2013
8563759 Process for extracting lipids from microalgae Oct. 22, 2013
8562910 Method and apparatus for analysis of poly (biphenyl chloride) in electrical insulating oil Oct. 22, 2013
8557120 Grouped separation of actinides from a strongly acidic aqueous phase Oct. 15, 2013
8557119 High water recovery from desalination systems using ion exchange technology Oct. 15, 2013
8551336 Extraction of proteins by a two solvent method Oct. 8, 2013
8545707 Reduced pressure drop coalescer Oct. 1, 2013
8540878 Structured packing module for mass transfer column and process involving same Sep. 24, 2013
8535535 Use of hydrophobin as a phase stabilizer Sep. 17, 2013
8535536 Cross-flow split-thin-flow cell Sep. 17, 2013
8530679 Delta 9--tetrahydrocannabinol processing Sep. 10, 2013
8524929 Extraction with fractionation of lipids and proteins from oleaginous material Sep. 3, 2013
8518310 Process for producing a dried composite semipermeable membrane Aug. 27, 2013
8518219 Process for the treatment of organic waste and product obtained thereof Aug. 27, 2013
8518636 Tangential flow filtration devices and methods for leukocyte enrichment Aug. 27, 2013
8513383 Selective extraction of proteins from saltwater algae Aug. 20, 2013
8513384 Selective extraction of proteins from saltwater algae Aug. 20, 2013
8506839 Absorption cycle utilizing ionic liquids and water as working fluids Aug. 13, 2013
8507292 Sample pretreatment and extraction Aug. 13, 2013
8506820 Process and apparatus for online rejuvenation of contaminated sulfolane solvent Aug. 13, 2013
8504305 Anti-terrorism water quality monitoring system Aug. 6, 2013
8501007 Water desalination using directional solvent extraction Aug. 6, 2013
8497091 Method of producing compound originating from polysaccharide-based biomass Jul. 30, 2013
8496831 Dehydration processes using membranes with hydrophobic coating Jul. 30, 2013
8496123 Process for cross-linking cellulose ester membranes Jul. 30, 2013
8491792 Non-dispersive process for insoluble oil recovery from aqueous slurries Jul. 23, 2013
8486267 Non-dispersive process for insoluble oil recovery from aqueous slurries Jul. 16, 2013
8480904 Extraction and winterization of lipids from oilseed and microbial sources Jul. 9, 2013
8475660 Extraction of polar lipids by a two solvent method Jul. 2, 2013
8470178 Organic oil boom Jun. 25, 2013
8470180 Systems and methods of microfluidic membraneless exchange using filtration of extraction outlet streams Jun. 25, 2013
8465647 Isolation of single-walled carbon nanotubes from double and multi-walled carbon nanotubes Jun. 18, 2013
8459470 Functionalized nonwoven article Jun. 11, 2013
8460550 Continuous processing and solids handling in near-critical and supercritical fluids Jun. 11, 2013

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