ClassID:

30879

B01D2323/06 - CPC Classification

Classification description:

Details relating to membrane preparation Specific viscosities of materials involved

Recent Application in this class:
#1
20260145140
2026-05-28

MECHANICALLY STABLE ULTRAFILTRATION MEMBRANE, AND METHOD FOR PRODUCING SAME

#2
20260054226
2026-02-26

MEMBRANE USING 3D PRINTING AND ITS MANUFACTURING METHOD

#3
20260021450
2026-01-22

MICROFILTRATION MEMBRANE

#4
20250229234
2025-07-17

CERAMIC MEMBRANE PRODUCED BY BINDER JETTING

#5
20240100484
2024-03-28

LIQUID COMPOSITION, MEMBRANE, AND PRODUCT COMPRISING MEMBRANE

#6
20240050907
2024-02-15

Membrane for blood purification

#7
20230347284
2023-11-02

SEPARATION MEMBRANE, SEPARATION MEMBRANE MANUFACTURING METHOD, AND COATING LIQUID FOR MANUFACTURING SEPARATION MEMBRANE

#8
20230338900
2023-10-26

ZEOLITE MEMBRANE COMPLEX AND METHOD OF PRODUCING ZEOLITE MEMBRANE COMPLEX

#9
20230330603
2023-10-19

SEPARATION MEMBRANE COMPLEX AND METHOD OF PRODUCING SEPARATION MEMBRANE COMPLEX

#10
20230271146
2023-08-31

Hemodialyzer for blood purification

#11
20230265585
2023-08-24

A HOLLOW FIBER AND A PROCESS FOR PREPARATION THEREOF

#12
20230256397
2023-08-17

DUAL-LAYER MEMBRANE

#13
20230182083
2023-06-15

METHOD FOR PRODUCING A POLYELECTROLYTE COMPLEX MEMBRANE

#14
20230015162
2023-01-19

MICROFILTRATION MEMBRANE

#15
20220410081
2022-12-29

Mechanically stable ultrafiltration membrane, and method for producing same

#16
20220410071
2022-12-29

LOW TEMPERATURE SEPARATION METHOD USING 2D MATERIAL-BASED NANOCOMPOSITE COATING

#17
20220274069
2022-09-01

CONDUCTIVE MEMBRANE AND PREPARATION METHOD THEREOF

#18
20220152563
2022-05-19

Hemodialyzer for blood purification

#19
20220152562
2022-05-19

Membrane for blood purification

#20
20210197133
2021-07-01

POROUS MEMBRANE

#21
20200316533
2020-10-08

Hemodialyzer for blood purification

#22
20200269197
2020-08-27

Membrane for blood purification

#23
20200122094
2020-04-23

CURED EPOXYSILICONE LAYER MEMBRANE FOR NANOFILTRATION

#24
20180272286
2018-09-27

PROCESS FOR MAKING MEMBRANES

#25
20180207589
2018-07-26

Radiation-Curable Compositions, Membranes and the Manufacture and Use of Such Membranes

#26
20180169590
2018-06-21

Hollow fiber membrane, and method for producing hollow fiber membrane

#27
20180154315
2018-06-07

Method for making porous asymmetric membranes and associated membranes and separation modules

#28
20180133660
2018-05-17

Amorphous fluorinated copolymer gas separation membranes

#29
20180099250
2018-04-12

Porous separation article and separation method

#30
20170312695
2017-11-02

Graphene oxide membranes and methods related thereto

#31
20170266626
2017-09-21

Porous membrane

#32
20170165616
2017-06-15

Membrane for blood purification

#33
20170165615
2017-06-15

Hemodialyzer for blood purification

#34
20170129789
2017-05-11

Hydrocarbon waste stream purification processes using microporous materials having filtration and adsorption properties

#35
20170029586
2017-02-02

Process for preparing membranes

#36
20170021311
2017-01-26

Skinned, asymmetric poly(phenylene ether) co-polymer membrane; gas separation unit, and preparation method thereof

#37
20160354730
2016-12-08

METHOD FOR THE PRODUCTION OF POLY(METH)ACRYLONITRILE-BASED POLYMER MEMBRANES, POLYMER MEMBRANES, AND ALSO SOLUTIONS FOR THE PRODUCTION OF A POLYMER MEMBRANE

#38
20160339394
2016-11-24

Method of producing composite

#39
20160296892
2016-10-13

Asymmetric membranes based on BuPBI

#40
20160016125
2016-01-21

Ceramic separation membrane structure and method for producing same

#41
20150224453
2015-08-13

Method for fabricating polyethersulfone nanofiber membrane by electrospinning

#42
20150027306
2015-01-29

GAS-SELECTIVE POLYMER DERIVED CERAMIC MEMBRANES, GAS SEPARATION SYSTEMS, AND METHODS

#43
20140335421
2014-11-13

Microporous membrane of polyethylene-based composite material and preparation method thereof

#44
20140246356
2014-09-04

Fluid emulsion purification processes using microporous materials having filtration and adsorption properties

#45
20140001115
2014-01-02

Hollow fiber membrane and method for manufacturing thereof

#46
20130256229
2013-10-03

Large pore polymeric membrane

#47
20130225764
2013-08-29

Fluoropolymer dispersion and process for producing fluoropolymer dispersion

#48
20130049246
2013-02-28

Process for production of porous membrane

#49
20130001156
2013-01-03

Carbon membrane structure and method for producing same

#50
20120213998
2012-08-23

Process for the preparation of hyperbranched hollow fibers

#51
20110290727
2011-12-01

Process for Preparing Membranes

#52
20110269900
2011-11-03

Polypropylene resin composition for use in formation of microporous membrane

#53
20110226689
2011-09-22

Separation membrane and method for producing the same

#54
20110130611
2011-06-02

Process for membrane separation of an olefin that is contained in a hydrocarbon mixture

#55
20110114559
2011-05-19

Hollow fibre membrane

#56
20110031184
2011-02-10

Hollow fiber membrane and method for manufacturing thereof

#57
20100317117
2010-12-16

SELECTIVE MEMBRANE EXTRACTION OF RADIOACTIVE ANALYTES

#58
20100294714
2010-11-25

Membrane with improved permeability and selectivity

#59
20100181697
2010-07-22

Process for producing a proton-conducting, polyazole-containing membrane

#60
20100173083
2010-07-08

SEMIPERMEABLE COMPOSITE MEMBRANE AND PROCESS FOR PRODUCING THE SAME

#61
20100116131
2010-05-13

Method for manufacturing polyimide asymmetric membrane, and polyimide asymmetric membrane

#62
20100099838
2010-04-22

Polyolefin microporous film

#63
20100044901
2010-02-25

Porous vinylidene fluoride resin membrane for water treatment and process for producing the same

#64
20090200235
2009-08-13

PERVAPORATION MEMBRANES AND METHODS OF USE

#65
20090127733
2009-05-21

METHOD FOR PRODUCING MICROPOROUS THERMOPLASTIC RESIN MEMBRANE

#66
20090078644
2009-03-26

Membrane bags with seamless membrane substance, uses thereof, filtration units therewith and manufacturing processes

#67
20090071896
2009-03-19

Membrane bags with seamless membrane substance, uses thereof and filtration units therewith

#68
20090061278
2009-03-05

POLYMERIZED INORGANIC-ORGANIC PRECURSOR SOLUTIONS AND SINTERED MEMBRANES

#69
20090039014
2009-02-12

Porous Vinylidene Fluoride Resin Membrane for Water Treatment and Process for Producing the Same

#70
20090023825
2009-01-22

Microporous polyethylene film and method of producing the same

#71
20080277334
2008-11-13

Process for Producing Semipermeable Composite Membrane

#72
20080210624
2008-09-04

The Preparation Method Of Exo-Pressure Type Poly(Vinylidene Fluoride) Hollow Fiber Membrane Spinned Utilizing A Immersion-Coagulation Method And The Product Thereof

#73
20080173179
2008-07-24

Composite membrane for separation of carbon dioxide

#74
20080166619
2008-07-10

Electrolytic membrane

#75
20080053893
2008-03-06

Semipermeable Composite Membrane and Process for Producing the Same

#76
20070182791
2007-08-09

Polyelectrolyte composition for humidity senser, polyelectrolyte ink and preparation method of poly electrolyte membrane for sensor by inkjet printing

#77
20070009776
2007-01-11

Process for continuously producing polymer electrolyte membrane and producing apparatus therefor

#78
20060231485
2006-10-19

Method for manufacturing polyimide asymmetric membrane, and polyimide asymmetric membrane

#79
20060196825
2006-09-07

Pvc hollow filtration membrane and the preparation method thereof

#80
20060196355
2006-09-07

Separation membrane by controlled annealing of polyimide polymers

#81
20060148912
2006-07-06

Porous film of vinylidene fluoride resin and method for producing same

#82
20060124537
2006-06-15

Pervaporation Membranes and Methods of Use

#83
20060009538
2006-01-12

Microporous polyethylene film and method of producing the same

#84
20060008636
2006-01-12

Microporous polyethylene film and method of producing the same

#85
20050228127
2005-10-13

Fluoropolymer dispersion and process for producing fluoropolymer dispersion

#86
20050103716
2005-05-19

Method of making and using a hollow fiber microfiltration membrane

#87
20050019665
2005-01-27

Polyolefin microporous membrane and method of evaluating the same