Patents-Review.com
ClassID:

30009 ⎘

B01D71/30 - CPC Classification

Classification description:

Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor; Organic material Polyalkenyl halides

Sub-classes:
Recent Application in this class:
#1
20260125294
2026-05-07

PLASMA ACTIVATED WATER PRODUCTION WITH MEMBRANE CONCENTRATION

 #2
20260115667
2026-04-30

Device and Process for Functionalization and Ion Exchange of Polymer Membranes

 #3
20260054230
2026-02-26

CARBON MOLECULAR SIEVE MEMBRANES AND METHODS FOR USING THE SAME

 #4
20250214872
2025-07-03

PLASMA ACTIVATED WATER PRODUCTION WITH MEMBRANE CONCENTRATION

 #5
20240399313
2024-12-05

METHOD FOR PREPARING DURABLE HYDROPHILIC ULTRAFILTRATION MEMBRANE

 #6
20230312849
2023-10-05

STYRENIC BLOCK COPOLYMER COMPOSITION AND ANION EXCHANGE MEMBRANES MADE THEREOF

 #7
20220332606
2022-10-20

Plasma activated water production with membrane concentration

 #8
20220226784
2022-07-21

Hollow Fiber Membrane

 #9
20220153617
2022-05-19

Dynamic membrane reactor with function of nitrogen and phosphorus removal and operation method thereof

 #10
20220080361
2022-03-17

Carbon molecular sieve membrane produced from a carbon forming polymer-polyvinylidene chloride copolymer blend

 #11
20210362096
2021-11-25

Ion-sensitive substance, ion-sensitive membrane using the same, and method for producing the ion-sensitive substance

 #12
20210346847
2021-11-11

Synthesis of imidazolium-based functional ionic liquid copolymer and preparation method of alloy ultra-filtration membrane

 #13
20210231601
2021-07-29

Magnesium ion selective membranes

 #14
20210229045
2021-07-29

Separation of gases via carbonized vinylidene chloride copolymer gas separation membranes and processes therefor

 #15
20210229044
2021-07-29

SEPARATION OF GASES VIA CARBONIZED VINYLIDENE CHLORIDE COPOLYMER GAS SEPARATION MEMBRANES AND PROCESSES THEREFORE

 #16
20210138408
2021-05-13

FLAT SHEET POROUS MEMBRANE

 #17
20210138407
2021-05-13

Supported carbon molecular sieve membranes and method to form them

 #18
20210046428
2021-02-18

FUNCTIONALISED MIXED MATRIX MEMBRANES AND METHOD OF PRODUCTION

 #19
20200261751
2020-08-20

3-DIMENSIONAL NASAL FILTER POD

 #20
20200114318
2020-04-16

Porous membrane for water treatment use

 #21
20200114316
2020-04-16

Asymmetric polyvinylidine chloride membranes and carbon molecular sieve membranes made therefrom

 #22
20200108356
2020-04-09

Selective extraction film for mining application

 #23
20190083939
2019-03-21

Separation of gases via carbonized vinylidene chloride copolymer gas separation membranes and processes therefor

 #24
20190076793
2019-03-14

Separation of gases via carbonized vinylidene chloride copolymer gas separation membranes and processes therefor

 #25
20180369760
2018-12-27

Porous membrane and method of production thereof

 #26
20180361319
2018-12-20

Method for improved reactive monomer production with membrane filtration

 #27
20180326364
2018-11-15

Homogeneous anion-exchange composite membrane having excellent chemical resistance and method for producing the same

 #28
20180326363
2018-11-15

Homogeneous cation-exchange composite membrane having excellent chemical resistance and method for producing the same

 #29
20180290108
2018-10-11

Method of production of nanoporous membranes for water purification from metal ions at low differential pressures

 #30
20180161733
2018-06-14

Composite membrane, semi-permeable membrane including the composite membrane, and water treatment device including the semi-permeable membrane

 #31
20180043345
2018-02-15

Ion-exchange membrane with multi-layered support substrate

 #32
20180008935
2018-01-11

Comprehensive evaluation method for performance of contaminated flat membranes

 #33
20170306115
2017-10-26

Perchlorate ion permselective membranes

 #34
20170266628
2017-09-21

METHOD OF CLEANING A MEMBRANE CONTACTOR

 #35
20170225126
2017-08-10

Method for producing antifouling coatings made of thin-layer composite membranes for reverse osmosis and nanofiltration

 #36
20160030892
2016-02-04

Polymer membrane for water treatment and method for manufacture of same, and water treatment method

 #37
20150344337
2015-12-03

Separation membrane module

 #38
20150328591
2015-11-19

Porous polymer flat-sheet membrane

 #39
20150273402
2015-10-01

Carbon dioxide separation membrane comprising porous hollow titanium dioxide nanoparticle and manufacturing method thereof

 #40
20150258501
2015-09-17

Composite nanofiber membrane for adsorbing lithium, method of manufacturing the same and apparatus and method for recovering lithium using the same

 #41
20150122121
2015-05-07

Crosslinked polymer compositions, gas separation membranes of such crosslinked polymer compositions, methods of making such membranes, and methods of separating gases using such membranes

 #42
20140339154
2014-11-20

Polymer inclusion membranes for use in processes for treating thiocyanate containing aqueous solutions

 #43
20130334123
2013-12-19

Microporous membrane and method for forming

 #44
20130323383
2013-12-05

Composite material

 #45
20130022802
2013-01-24

HIGHLY MICROPOROUS POLYMERS AND METHODS FOR PRODUCING AND USING THE SAME

 #46
20120325746
2012-12-27

POLYMER MEMBRANE FOR WATER TREATMENT AND METHOD FOR MANUFACTURE OF SAME, AND WATER TREATMENT METHOD

 #47
20120318730
2012-12-20

Polymer membrane for water treatment and method for manufacture of same

 #48
20120255897
2012-10-11

Composite membranes

 #49
20120097605
2012-04-26

Polymer membrane for water treatment

 #50
20120094361
2012-04-19

Method of Separation of Algal Biomass from Aqueous or Marine Culture

 #51
20110225940
2011-09-22

Microporous membrane and method for forming

 #52
20110168630
2011-07-14

Graft copolymers, methods for grafting hydrophilic chains onto hydrophobic polymers, and articles thereof

 #53
20110147300
2011-06-23

Composition for preparation of hollow fiber porous membrane and preparation method using the same

 #54
20100247894
2010-09-30

Reinforced Highly Microporous Polymers

 #55
20100166961
2010-07-01

PRODUCTION OF HIGH POROSITY OPEN-CELL MEMBRANES

 #56
20070219322
2007-09-20

Graft copolymers, methods for grafting hydrophilic chains onto hydrophobic polymers, and articles thereof

 #57
20070100012
2007-05-03

Production of high porosity open-cell membranes

 #58
20060196825
2006-09-07

Pvc hollow filtration membrane and the preparation method thereof

 #59
20060081530
2006-04-20

Highly microporous polymers and methods for producing and using the same

 #60
20050238937
2005-10-27

Highly conductive ordered ion exchange membranes