ClassID:

30027

B01D71/66 - CPC Classification

Classification description:

Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor; Organic material Polymers having sulfur in the main chain, with or without nitrogen, oxygen or carbon only

Sub-classes:
Recent Application in this class:
#1
20250367611
2025-12-04

METHOD AND APPARATUS FOR THE PRODUCTION OF AN ION-CONDUCTING MEMBRANE

#2
20250073636
2025-03-06

Membrane-based processing for ambient water-group species captured on the Moon and in space

#3
20240399318
2024-12-05

CERAMIC CATION EXCHANGE MATERIALS

#4
20240278171
2024-08-22

GAS SEPARATION MEMBRANE USING FURAN-BASED POLYMERS

#5
20240199830
2024-06-20

Polymer Films

#6
20240017219
2024-01-18

POLYMER COMPOSITION AND METHOD FOR MANUFACTURING MEMBRANES THEREFROM

#7
20230391968
2023-12-07

Chemically modified anion exchange membrane

#8
20230233978
2023-07-27

WOUND-PLEATED FILTERS AND RELATED METHODS

#9
20230149859
2023-05-18

POLYPHENYLENE-BASED SEMIPERMEABLE MEMBRANE AND MANUFACTURING METHOD THEREFOR

#10
20230144222
2023-05-11

COMPOSITE SEMIPERMEABLE MEMBRANE, SPIRAL MEMBRANE ELEMENT, WATER TREATMENT SYSTEM, AND WATER TREATMENT METHOD

#11
20230143521
2023-05-11

METHOD FOR PRODUCING TREATMENT LIQUID

#12
20230131883
2023-04-27

METHOD FOR REMOVING ETHYLENE FROM AGRICULTURAL PRODUCTS

#13
20230053706
2023-02-23

Separation membrane and method for producing separation membrane

#14
20220396584
2022-12-15

BIOTIN-CONTAINING MONOMERS AND ARTICLES FORMED THEREFROM

#15
20220362718
2022-11-17

POROUS ARTICLES, PROCESSES FOR THEIR PREPARATION AND USES THEREOF

#16
20220251316
2022-08-11

Chemically modified anion exchange membrane and method of preparing the same

#17
20220184562
2022-06-16

Nanostructured membrane filter system for rapid purification of water

#18
20210260534
2021-08-26

Ceramic cation exchange materials

#19
20210237001
2021-08-05

Pore-filled ion exchange polyelectrolyte composite membrane from which surface ion exchange polyelectrolyte has been removed and method for manufacturing same

#20
20210162353
2021-06-03

MIXED MATRIX MEMBRANE WITH GRAPHENE OXIDE AND POLYETHER AMIDE POLYMER FOR DEHYDRATION OF GAS

#21
20200384421
2020-12-10

Ceramic cation exchange materials

#22
20200353436
2020-11-12

Methods of forming a bicontinuous intraphase jammed emulsion gel and uses thereof

#23
20200216618
2020-07-09

Films derived from two or more chemically distinct block copolymers, methods of making same, and uses thereof

#24
20200156964
2020-05-21

Membrane-based processing for ambient water-group species captured on the moon and in space

#25
20200147287
2020-05-14

OPTIMIZED HEMODIALYZER FOR BLOOD PURIFICATION

#26
20200122093
2020-04-23

Method of preparing ion-exchange membrane using chemical modification and ion-exchange membrane prepared thereby

#27
20200040151
2020-02-06

Method of preparing chemically modified anion exchange membrane

#28
20190339172
2019-11-07

Hybrid cooler/dryer and method therefor

#29
20190111382
2019-04-18

Acid gas separation membrane and acid gas separation method using same, acid gas separation module, and acid gas separation apparatus

#30
20190078984
2019-03-14

Portable sampling system

#31
20190076778
2019-03-14

Method for a portable sampling system

#32
20190054423
2019-02-21

HIGH TEMPERATURE AND PRESSURE LIQUID DEGASSING SYSTEMS

#33
20180264416
2018-09-20

Hydrophilic graphitic material

#34
20180214827
2018-08-02

PERYLENE DIIMIDE BASED MEMBRANE AND METHODS OF USE THEREOF

#35
20170348642
2017-12-07

Electrode and process for preparing the electrode and devices thereof

#36
20170327649
2017-11-16

Films derived from two or more chemically distinct block copolymers, methods of making same, and uses thereof

#37
20170232398
2017-08-17

Composition for COgas separation membrane, COgas separation membrane and method for producing same, and COgas separation membrane module

#38
20170225127
2017-08-10

Method of making reaction induced phase separation membranes and uses thereof

#39
20170216781
2017-08-03

Solvent-resistant separation membrane

#40
20170198405
2017-07-13

Zero polar distance ion exchange membrane and preparation method thereof

#41
20170028361
2017-02-02

PTFE/PFSA BLENDED MEMBRANE

#42
20170028359
2017-02-02

COATED PTFE MEMBRANE

#43
20170028358
2017-02-02

HYDROPHILIZING PTFE MEMBRANES

#44
20170014777
2017-01-19

Method for the high-throughput preparation of carbon nanotube hollow fiber membranes

#45
20170014768
2017-01-19

HIGHLY PERMEABLE DOUBLE-SKINNED FORWARD OSMOSIS MEMBRANE FOR ANTI-FOULING IN THE EMULSIFIED OIL-WATER SEPARATION PROCESS

#46
20160288063
2016-10-06

Hydrophilically modified fluorinated membrane (III)

#47
20160184776
2016-06-30

MANUFACTURING CARBON MOLECULAR SIEVE MEMBRANES USING A PYROLYSIS ATMOSPHERE COMPRISING SULFUR-CONTAINING COMPOUNDS

#48
20160138129
2016-05-19

Chelating polymeric membranes

#49
20160115647
2016-04-28

METHOD OF MAKING AND USING AN ELECTRICALLY CONDUCTIVE COMPOSITE MEMBRANE

#50
20160101218
2016-04-14

Copolymer membrane for high-dose chemotherapy delivery during transarterial chemoembolization

#51
20160023168
2016-01-28

Complex nanofiltration membrane and the preparation thereof

#52
20150375199
2015-12-31

Rotary enthalpy exchange wheel having sulfonated block copolymer

#53
20150375181
2015-12-31

Fluorinated polymer and use thereof in the preparation of hydrophilic membranes (vi)

#54
20150259227
2015-09-17

Functional polymer membrane and method of producing the same

#55
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

#56
20140021134
2014-01-23

Filter and method for the desalination of water by means of reverse osmosis of the centrifugal type, involving the generation of dean vortices

#57
20140014518
2014-01-16

Active components and membranes for electrochemical compression

#58
20130330653
2013-12-12

Novel PPS-S Membrane

#59
20130231405
2013-09-05

Aromatic perfluoroalkane monomer

#60
20130184428
2013-07-18

Sulphur-containing triazine monomer that can be used for the synthesis of a polymer membrane for a fuel cell

#61
20120305484
2012-12-06

Thermally Rearranged (TR) Polymers as Membranes for Ethanol Dehydration

#62
20120297977
2012-11-29

Selective polysulfide composite membrane

#63
20120152839
2012-06-21

MODIFIED SULFONAMIDE POLYMERIC MATRICES

#64
20110262838
2011-10-27

Triblock copolymers with acidic groups

#65
20100197859
2010-08-05

Blends from branched polyaryl ethers and hydrophilic polymers

#66
20090242479
2009-10-01

AROMATIC HALOSULFONYL ISOCYANATE COMPOSITIONS

#67
20090221787
2009-09-03

Production Of Monomer, Oligomer And Polymer Phosphonic Acid Esters And Phosphonic And Sulphonic Acids By A Nucleophile Aromatic Substitution

#68
20080312349
2008-12-18

METHOD OF MAKING AND USING MEMBRANE

#69
20080277342
2008-11-13

Polyamide matrices and methods for their preparation and use

#70
20070039885
2007-02-22

Membranes and methods useful for caustic applications

#71
20060249444
2006-11-09

Triblock copolymers with acidic groups

#72
20060043344
2006-03-02

Sulfonic group-containing polyarylene block copolymer, process for production thereof, solid polymer electrolyte and proton conductive membrane

#73
20050031925
2005-02-10

Composite solid polymer electrolyte membranes