ClassID:

30878

B01D2323/04 - CPC Classification

Classification description:

Details relating to membrane preparation Hydrophobization

Recent Application in this class:
#1
20250375739
2025-12-11

POLYMERIC MEMBRANE AND METHODS FOR THE PRODUCTION OF SAME

#2
20250345752
2025-11-13

CERAMIC MEMBRANE PREPARED BY 3D PRINTING TECHNOLOGY AND THE PREPARATION METHOD THEREOF

#3
20250269333
2025-08-28

LINED HOLLOW FIBER MEMBRANE WITH SANDWICH STRUCTURE, AND PREPARATION METHOD AND USE THEREOF

#4
20250010249
2025-01-09

Surface Modification for Superphobic Membranes

#5
20240278186
2024-08-22

PREPARATION METHOD, PRODUCT AND APPLICATION OF HYDROPHOBICALLY MODIFIED MEMBRANE BASED ON MULTI-EFFECT THERMAL ENERGY CONVERSION

#6
20230347296
2023-11-02

ARTICLE INCLUDING FILTRATION MEDIA AND FLUOROPOLYMER AND METHODS OF MAKING AND USING SAME

#7
20230027017
2023-01-26

Porous Composite Membrane for Solvent Extraction

#8
20230024252
2023-01-26

POROUS SEPARATION MEMBRANE

#9
20220362717
2022-11-17

POLYMERIC MEMBRANE AND METHODS FOR THE PRODUCTION OF SAME

#10
20220235306
2022-07-28

Surface modified separation media

#11
20220184557
2022-06-16

Solar-thermal membrane for dewatering aqueous organic-acid solutions

#12
20220152558
2022-05-19

Desalination membranes

#13
20220080360
2022-03-17

OIL/WATER SEPARATION

#14
20220072480
2022-03-10

Superhydrophobic polypropylene porous film, preparation method therefor, and method for improving hydrophobicity of polypropylene porous film

#15
20220032240
2022-02-03

Separation membrane and methods of preparation thereof

#16
20210370230
2021-12-02

ENHANCED SORBENT MEMBRANE FOR CARBON DIOXIDE CAPTURE AND METHOD FOR SAME

#17
20210354090
2021-11-18

Nanofiber membrane and method for manufacturing the same

#18
20210197130
2021-07-01

FLUOROPOLYMER LATEX COATINGS FOR MEMBRANES

#19
20210101120
2021-04-08

SEMIPERMEABLE MEMBRANE FOR WAITER TREATMENT, PREPARING METHOD FOR THE SAME, AND POLLUTED WATER TREATMENT SYSTEM INCLUDING THE SAME

#20
20210039049
2021-02-11

Method of preparation of new super-hydrophobic membranes and membranes obtained by said method

#21
20200384380
2020-12-10

Continuous separator bypass systems and methods of use thereof

#22
20200359952
2020-11-19

Device for whole blood cross flow filtration using a cannula needle

#23
20200324253
2020-10-15

A Graphene-Based Membrane

#24
20200289041
2020-09-17

Device for cross flow filtration

#25
20200246775
2020-08-06

Supported zeolite films and methods for preparing

#26
20200070074
2020-03-05

Polymer coating for selective separation of hydrophobic particles in aqueous slurry

#27
20190218381
2019-07-18

Surface modifying agents, modified materials and methods

#28
20190168168
2019-06-06

SUPERHYDROPHOBIC MICROFILTRATION MEMBRANE FOR MEMBRANE DISTILLATION, FILTRATION MODULE FOR MEMBRANE DISTILLATION COMPRISING THE SAME, AND METHOD FOR MANUFACTURING THE SAME

#29
20190126212
2019-05-02

Humidifying membrane for reverse electrodialysis and method for manufacturing the same

#30
20190070330
2019-03-07

Treated membrane for fragrance delivery

#31
20190039028
2019-02-07

Porous membranes comprising nanosheets and fabrication thereof

#32
20180369759
2018-12-27

Process for the separation of organic compounds

#33
20180345227
2018-12-06

Composite membranes and methods of making and use thereof

#34
20180333683
2018-11-22

Functional filters for hydrophobic liquid/hydrophilic liquid separations

#35
20180221829
2018-08-09

IN-SITU SOLAR-TO-HEAT COATING FOR DRINKING WATER PURIFICATION, SEAWATER DESALINATION, AND WASTEWATER TREATMENT

#36
20180185792
2018-07-05

Method of preparing decadodecasil 3R type zeolite membranes and membranes prepared thereby

#37
20180178167
2018-06-28

Membrane surface hydrophobicity through electro-hydrodynamic film patterning

#38
20180085783
2018-03-29

Methods and systems for coating hollow fiber membrane contactors

#39
20180071689
2018-03-15

Filtration cell and method for filtering a biological sample

#40
20180046223
2018-02-15

Composite membrane and method for producing a composite membrane

#41
20170173536
2017-06-22

Membrane distillation apparatus and hydrophobic porous membrane

#42
20170056835
2017-03-02

Porous asymmetric polyphenylene ether membranes and associated separation modules and methods

#43
20170021310
2017-01-26

Porous asymmetric polyphenylene ether membranes and associated separation modules and methods

#44
20160288056
2016-10-06

POLYMERIC ANTIFOULING ADDITIVES FOR MEMBRANES

#45
20160264692
2016-09-15

Polymers and membranes for separation of polar organic compounds from aqueous mixtures and methods of using

#46
20160250601
2016-09-01

Super-surface selective nanomembranes providing simultaneous high permeation flux and high selectivity

#47
20160220968
2016-08-04

Water-treatment separation membrane comprising ionic exchangeable polymer layer and method for forming same

#48
20160106353
2016-04-21

Device for cross flow filtration

#49
20160023187
2016-01-28

Method for producing a crystalline film of zeolite and/or zeolite like crystals on a porous substrate

#50
20150376360
2015-12-31

MODIFICATION OF DRAWN FILM

#51
20150328591
2015-11-19

Porous polymer flat-sheet membrane

#52
20150246319
2015-09-03

Water-proof air-permeable filter and use of the same

#53
20150240045
2015-08-27

Microporous and hydrophobic polymeric hollow fiber membranes and methods for preparation thereof

#54
20150238909
2015-08-27

Porous polytetrafluoroethylene membrane, method for producing the same, gas-permeable membrane and ventilation member using the same

#55
20150202577
2015-07-23

Multifunctional Coatings on Microporous Substrates

#56
20150174517
2015-06-25

Water-proof air-permeable filter and use of the same

#57
20150144552
2015-05-28

Immobilized multi-layer artificial membrane for permeability measurements (PAMPA)

#58
20150047506
2015-02-19

Hydrogen membrane separator

#59
20150007721
2015-01-08

Hydrophobic or oleophobic microporous polymer membrane with structurally induced beading effect

#60
20140322455
2014-10-30

Method of fabricating surface body having superhydrophobicity and hydrophilicity

#61
20140243573
2014-08-28

Oil quality using a microporous hollow fiber membrane

#62
20140206251
2014-07-24

Surface modifying agents, modified materials and methods

#63
20140120006
2014-05-01

Hydrogen membrane separator

#64
20130074691
2013-03-28

Water-proof air-permeable filter and use of the same

#65
20130068689
2013-03-21

Membrane distillation modules using oleophobically and antimicrobially treated microporous membranes

#66
20130035663
2013-02-07

Anticoagulant-free dialysis systems and methods

#67
20120267304
2012-10-25

Membrane, method for manufacturing the same, and composite membrane including the same

#68
20120088095
2012-04-12

Modification of drawn film

#69
20120077019
2012-03-29

HUMIDITY BARRIER

#70
20120070648
2012-03-22

PROCESS TO INCREASE THE OLEOPHOBICITY OF PTFE, AND RESULTING OLEOPHOBIC ARTICLES

#71
20120012528
2012-01-19

Surface modified inorganic matrix and method for preparation thereof

#72
20110174734
2011-07-21

Non-dispersive process for insoluble oil recovery from aqueous slurries

#73
20110104021
2011-05-05

Hydrogen membrane separator

#74
20110041693
2011-02-24

Oleophobic laminated article

#75
20100272941
2010-10-28

DURABLE WATER- AND OIL- RESISTANT, BREATHABLE MICROPOROUS MEMBRANE

#76
20100147763
2010-06-17

MODIFIED POROUS MEMBRANES, METHODS OF MEMBRANE PORE MODIFICATION, AND METHODS OF USE THEREOF

#77
20100059363
2010-03-11

SURFACE TREATMENT OF ALUMINA FILMS

#78
20090233351
2009-09-17

Method for controlling pressure-difference bubble transfer

#79
20090197078
2009-08-06

Flexible plasma polymer products, corresponding items and use thereof

#80
20090191397
2009-07-30

Process to increase the oleophobicity of PTFE, and resulting oleophobic articles

#81
20080286556
2008-11-20

SUPER-HYDROPHOBIC WATER REPELLANT POWDER

#82
20080085216
2008-04-10

Gas exchange chip

#83
20070272606
2007-11-29

Multi-functional coatings on microporous substrates

#84
20070189961
2007-08-16

UV light exposure for functionalization and hydrophobization of pure-silica zeolites

#85
20070181490
2007-08-09

Immobilized multi-layer artificial membrane for permeability measurements (PAMPA)

#86
20050129925
2005-06-16

Treatment of porous article

#87
20050129851
2005-06-16

Treatment of porous article

#88
20050126987
2005-06-16

Use of hydrophobically modified copolymers based on N-vinyl monomers for the production of membranes

#89
20050000883
2005-01-06

Membrane filter with deaeration and method for the manufacture thereof

#90
16881220
2022-06-21

CNT-based reverse osmosis desalination

#91
15299439
2017-06-20

Nanostructured zinc oxide membrane for separating oil from water

#92
15203514
2018-11-13

Highly selective, ultralight, electro-spun filter media for separating oil-water mixtures