ClassID:

29827

B01D61/027 - page 4 - CPC Classification

Classification description:

Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor; Reverse osmosis; Hyperfiltration ; Nanofiltration Nanofiltration

Recent Application in this class:
#901
20080197071
2008-08-21

Nano Composite Hollow Fiber Membrane and Method of Manufacturing the Same

#902
20080194885
2008-08-14

Amine and membrane separation treament of liquid hydrocarbon media

#903
20080190863
2008-08-14

Method for treatment of effluents using pulsed electric fields and solid/liquid separation

#904
20080185341
2008-08-07

Water treatment by dendrimer-enhanced filtration

#905
20080179250
2008-07-31

EXTENDED-LIFE WATER SOFTENING SYSTEM, APPARATUS AND METHOD

#906
20080169202
2008-07-17

Process to prepare chlorine-containing compounds

#907
20080164209
2008-07-10

WATER TREATMENT SYSTEMS AND METHODS

#908
20080164206
2008-07-10

Method and apparatus for removing minerals from a water source

#909
20080135482
2008-06-12

Polyamide nanofiltration membrane useful for the removal of phospholipids

#910
20080105038
2008-05-08

Method for testing separation modules

#911
20080103346
2008-05-01

Membrane Separation Of A Metathesis Reaction Mixture

#912
20080092851
2008-04-24

Fuel supply apparatus and fuel supply control apparatus for internal-combustion engine

#913
20080092435
2008-04-24

METHODS OF PURIFYING BIODIESEL FUELS

#914
20080090761
2008-04-17

Method comprising nanofiltration to obtain an MBL product safe from infectious agents and the product obtainable by this method

#915
20080067125
2008-03-20

Method and apparatus for desalination

#916
20080067071
2008-03-20

CONCENTRATE RECYCLE LOOP WITH FILTRATION MODULE

#917
20080000809
2008-01-03

Membrane method of removing oil-soluble metals from hydrocarbons

#918
20070278152
2007-12-06

METHOD OF IMPROVING PERFORMANCE OF ULTRAFILTRATION OR MICROFILTRATION MEMBRANE PROCESS IN LANDFILL LEACHATE TREATMENT

#919
20070278151
2007-12-06

METHOD OF IMPROVING PERFORMANCE OF ULTRAFILTRATION OR MICROFILTRATION MEMBRANE PROCESSES IN BACKWASH WATER TREATMENT

#920
20070272628
2007-11-29

Apparatus for Treating Solutions of High Osmotic Strength

#921
20070221564
2007-09-27

Water nano-filtration device

#922
20070181498
2007-08-09

Method and a system for purifying water from a basin, in particular a swimming pool

#923
20070175829
2007-08-02

Pressure driven separation of liquid feeds

#924
20070163941
2007-07-19

System and method of fluid filtration utilizing cross-flow currents

#925
20070163930
2007-07-19

Multiple barrier filter apparatus

#926
20070161821
2007-07-12

Method for removal of guanidine compound from aqueous media

#927
20070138096
2007-06-21

SYSTEMS AND METHODS FOR CONTROLLING CONTAMINATE LEVELS OF PROCESSED WATER AND MAINTAINING MEMBRANES

#928
20070119782
2007-05-31

Method and system for controlling corrosivity of purified water

#929
20070102359
2007-05-10

Treating produced waters

#930
20070090050
2007-04-26

METHOD AND APPARATUS FOR TREATMENT OF A FLUID STREAM

#931
20070090039
2007-04-26

Apparatus and method for treating injection fluid

#932
20070090026
2007-04-26

Continuous biomolecule separation in a nanofilter

#933
20070080113
2007-04-12

Two stage nanofiltration seawater desalination system

#934
20070056904
2007-03-15

Cleaning of filtration membranes with peroxides

#935
20070049777
2007-03-01

Amine and membrane separation treatment of liquid hydrocarbon media

#936
20070039885
2007-02-22

Membranes and methods useful for caustic applications

#937
20070039882
2007-02-22

Integrated nanofiltration process to reduce the alcohol content of alcohol beverages

#938
20070039874
2007-02-22

Membranes and methods of treating membranes

#939
20070034571
2007-02-15

High recovery reverse osmosis process and apparatus

#940
20070029236
2007-02-08

Module for purifying a fluid containing a cleaning agent, and methods of fabricating and using this kind of module

#941
20070023363
2007-02-01

Installation and method for the purification of an aqueous effluent by means of oxidation and membrane filtration

#942
20070023340
2007-02-01

Filtration device including a loop and a circulation pump

#943
20070007195
2007-01-11

Composite membrane and process

#944
20060261009
2006-11-23

Extraction of dihydrogen oxide stratagies and solutions

#945
20060237366
2006-10-26

Solvent removal process

#946
20060175256
2006-08-10

Ceramic membrane water filtration

#947
20060157410
2006-07-20

Fully integrated NF-thermal seawater desalination process and equipment

#948
20060150892
2006-07-13

Processes Involving the Use of Antisolvent Crystallisation

#949
20060144792
2006-07-06

Membrane and process for the recovery of acid

#950
20060144789
2006-07-06

Systems and methods for purification of liquids

#951
20060144787
2006-07-06

Integrated electro-pressure membrane deionization system

#952
20060135760
2006-06-22

Process for purifying oligonucleotide synthons

#953
20060124547
2006-06-15

Method of adjusting levels of dissolved compounds in beverages

#954
20060118482
2006-06-08

Materials for processing non-aqueous mixtures and methods for their preparation

#955
20060108289
2006-05-25

Methods for removing metals from water

#956
20060107946
2006-05-25

Method of preparing granulated sugar from an aqueous sugar solution containing monovalent and polyvalent anions and cations

#957
20060106237
2006-05-18

Separation process

#958
20060096920
2006-05-11

System and method for conditioning water

#959
20060091077
2006-05-04

Concentrate recycle loop with filtration module

#960
20060081537
2006-04-20

Method and system for the treatment of liquid effluents containing pollutants in a suspension

#961
20060073248
2006-04-06

Apparatus and method for isolating and/or eliminating at least one solute from a solution

#962
20060065600
2006-03-30

Processes for recovering oligomers of glycols and polymerization catalyst from waste streams

#963
20060065599
2006-03-30

Process for reducing the content of water-soluble salts of aqueous solutions of polymers containing vinylamine groups and use of the desalted polymers in the manufacture of multicomponent superabsorbent gels

#964
20060060532
2006-03-23

Water desalination process and apparatus

#965
20060054549
2006-03-16

Vortex-enhanced reverse osmosis filtration device and methods

#966
20060021938
2006-02-02

Water treatment by dendrimer enhanced filtration

#967
20060016751
2006-01-26

Method of concentrating pulp mill extracts

#968
20060011544
2006-01-19

Membrane purification system

#969
20050284806
2005-12-29

Nanofiltration system for water softening with internally staged spiral wound modules

#970
20050274674
2005-12-15

Method and apparatus for treatment of a fluid stream

#971
20050271768
2005-12-08

Sulfur-containing animal-feed additives

#972
20050269265
2005-12-08

Carbohydrate purification using ultrafiltration, reverse osmosis and nanofiltration

#973
20050252858
2005-11-17

Fuel and by-products from fermentation still bottoms

#974
20050247631
2005-11-10

Water purification system and method using reverse osmosis reject stream in an electrodeionization unit

#975
20050214192
2005-09-29

Recovery of sodium thiocyanate from industrial process solution using nanofiltration technique

#976
20050211638
2005-09-29

Effluent treatment combining solid/liquid separation and pulsed electric fields

#977
20050211240
2005-09-29

Method for purifying by nanofiltration an aqueous sugary solution containing monovalent and polyvalent anions and cations

#978
20050145569
2005-07-07

Method for treatment of sludge from waterworks and wastewater treatment plants

#979
20050126999
2005-06-16

System for the purification and reuse of spent brine in a water softener

#980
20050119517
2005-06-02

Process for upgrading a liquid hydrocarbon stream

#981
20050072675
2005-04-07

Device and method for preparative electrophoresis

#982
20050069997
2005-03-31

Purification of biologically-produced 1,3-propanediol

#983
20050056600
2005-03-17

Nanofilter system and method of use

#984
20050056590
2005-03-17

Process for the removal of contaminants from water

#985
20050056589
2005-03-17

Treatment of semi-permeable filtration membranes

#986
20050035060
2005-02-17

Process for purifying glyphosate solutions by nanofiltration

#987
20050029194
2005-02-10

Method for removal of guanidine compound from aqueous media

#988
20050029192
2005-02-10

Branched flow filtration and system

#989
20050023222
2005-02-03

Filtration apparatus and method

#990
20050011832
2005-01-20

Water desalination process using ion selective membranes

#991
20050006295
2005-01-13

Water treatment system

#992
20050000897
2005-01-06

Method for purifying a dry cleaning solvent

#993
19300934
2026-01-06

Grafted polyamide membrane for nanofiltration applications

#994
19190385
2026-06-02

High flux nanofiltration membrane

#995
18209578
2024-01-23

Low-pressure high-flux hollow fiber nanofiltration (NF) membrane, and preparation method and use thereof

#996
17518719
2023-07-04

Stabilized electromagnetic base liquid, formation thereof and application to high-salt wastewater treatment

#997
17368784
2024-11-12

Liquid diversion apparatus

#998
17245333
2021-12-21

Zero liquid discharge recycling system for PCB FAB, general metal finishing, and chemical milling

#999
17245276
2021-12-21

Zero liquid discharge recycling system for PCB FAB, general metal finishing, and chemical milling

#1000
16843632
2024-01-09

Water filtration system with waste water treatment

#1001
16548457
2020-03-10

Apparatus and method to extract purified water from saline and other fluids

#1002
15913706
2018-11-13

Thin film nanocomposite nanofiltration membrane

#1003
15803010
2018-12-18

Process for the production of a concentrated cannabinoid product

#1004
15293274
2017-01-17

Complete saponification and acidulation of natural oil processing byproducts

#1005
15185528
2017-03-28

Integrated osmosis systems and methods

#1006
15005600
2021-01-12

Osmosis system using a magnetic nanoparticle draw solution and permanent ring-type magnets

#1007
13987129
2016-05-10

Pro system using a hollow fiber membrane with superparamagnetic nanoparticle draw solution

#1008
13507538
2016-01-26

Forward osmosis using magnetic nanoparticle draw solutions