ClassID:

30921

B01D2325/08 - CPC Classification

Classification description:

Details relating to properties of membranes Patterned membranes

Recent Application in this class:
#1
20250345752
2025-11-13

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

#2
20250332551
2025-10-30

STRUCTURES HAVING RE-ENTRANT GEOMETRIES ON A POROUS MATERIAL SURFACE

#3
20250262597
2025-08-21

PATTERNED NANOFIBER ARRAYS ASSEMBLED THROUGH PATTERNED FILTRATION

#4
20250256017
2025-08-14

MICROFLUIDIC DIFFUSION DEVICES AND SYSTEMS, AND METHODS OF MANUFACTURING AND USING SAME

#5
20250214040
2025-07-03

In Vivo Blood Filtration Membranes and Devices

#6
20250153112
2025-05-15

THREE-DIMENSIONAL FILTRATION COMPOSITES AND METHODS OF MANUFACTURING

#7
20250001367
2025-01-02

Composite Filter Membranes Providing Increased Flowability

#8
20240399315
2024-12-05

COLLECTING FILTER AND METHOD FOR MANUFACTURING TRANSPARENT CONDUCTING FILM USING THE SAME

#9
20240375055
2024-11-14

FEATURES ON A POROUS MEMBRANE

#10
20240325987
2024-10-03

Filtration Films Having Dense Packing of Pores of Uniform Size and Distribution, and Tools and Methods for Their Formation

#11
20240156682
2024-05-16

Reinforced Gas Permeable Blood Storage Bags, and Methods of Preparation Thereof

#12
20240042395
2024-02-08

PATTERNED POROUS MATERIAL SURFACES

#13
20240009632
2024-01-11

CONTAINER FOR DIFFUSING VOLATILE SUBSTANCES

#14
20230415100
2023-12-28

BIOCOMPATIBLE HIGH ASPECT-RATIO POROUS MEMBRANE

#15
20230381720
2023-11-30

MICROPOROUS MEMBRANES, UNDERLAYMENT, ROOFING, FLASHING, WRAP, AND METHODS FOR MAKING AND USING THE SAME

#16
20230285966
2023-09-14

NANOFABRICATION OF DETERMINISTIC DIAGNOSTIC DEVICES

#17
20230277987
2023-09-07

Improved Filtration Membrane and Methods of Making and Using the Same

#18
20230145516
2023-05-11

Carbon dioxide membrane filter with graphene crown pores

#19
20230138216
2023-05-04

Filter membrane and method for making the same

#20
20230093181
2023-03-23

PHOTOCURABLE COMPOSITIONS AND METHOD OF FORMING TOPOGRAPHICAL FEATURES ON A MEMBRANE SURFACE USING PHOTOCURABLE COMPOSITIONS

#21
20230084914
2023-03-16

Microfluidic diffusion devices and systems, and methods of manufacturing and using same

#22
20220410077
2022-12-29

Method for Producing a Gas Separation Membrane

#23
20220379271
2022-12-01

Porous flat deformation-resistant membrane

#24
20220379268
2022-12-01

STRUCTURES HAVING RE-ENTRANT GEOMETRIES ON A POROUS MATERIAL SURFACE

#25
20220379264
2022-12-01

Hydrophobic barrier layer for ceramic indirect evaporative cooling systems

#26
20220258104
2022-08-18

Inorganic porous membrane

#27
20220250009
2022-08-11

Patterned nanofiber arrays assembled through patterned filtration

#28
20220184288
2022-06-16

OXYGENATOR FIBER MEMBRANE WITH MODIFIED SURFACE PROPERTIES

#29
20220143560
2022-05-12

ISOPOROUS POLYMER MEMBRANES

#30
20220105472
2022-04-07

Composite membranes

#31
20220054986
2022-02-24

Filtration Films Having Dense Packing of Pores of Uniform Size and Distribution, and Tools and Methods for Their Formation

#32
20210402356
2021-12-30

Enthalpy exchanger element, enthalpy exchanger comprising such elements and method for their production

#33
20210346835
2021-11-11

Tunable nanofiber filter media and filter devices

#34
20210339202
2021-11-04

Non-nesting, non-deforming patterns for spiral-wound elements

#35
20210308634
2021-10-07

Porous flat deformation-resistant membrane

#36
20210308628
2021-10-07

Biocompatible high aspect-ratio porous membrane

#37
20210308625
2021-10-07

Hydrophobic barrier layer for ceramic indirect evaporative cooling systems

#38
20210236995
2021-08-05

A SEMIPERMEABLE ARRANGEMENT

#39
20210229038
2021-07-29

In vivo blood filtration membranes and devices

#40
20210220776
2021-07-22

TIGHTLY SPACED FLAT SHEET IMMERSED MEMBRANES AND FINE BUBBLE AERATION

#41
20210121618
2021-04-29

Low resistance microfabricated filter

#42
20210113970
2021-04-22

Microporous membranes, underlayment, roofing, flashing, wrap, and methods for making and using the same

#43
20210047754
2021-02-18

Producing fibers using spinnerets

#44
20210031145
2021-02-04

Non-nesting, non-deforming patterns for spiral-wound elements

#45
20210009806
2021-01-14

Photocurable compositions and method of forming topographical features on a membrane surface using photocurable compositions

#46
20200331771
2020-10-22

Water-treatment filter module, and apparatus and method for manufacturing helical strand of water-treatment filter module

#47
20200298454
2020-09-24

Membrane surface hydrophobicity through electro-hydrodynamic film patterning

#48
20200061271
2020-02-27

Microfluidic diffusion devices and systems, and methods of manufacturing and using same

#49
20190314769
2019-10-17

BILAYER 2D MATERIAL LAMINATES FOR HIGHLY SELECTIVE AND ULTRA-HIGH THROUGHPUT FILTRATION

#50
20190314766
2019-10-17

Formation of diamond membranes

#51
20190282967
2019-09-19

Semipermeable membrane and preparation method thereof

#52
20190282966
2019-09-19

Ion exchange membrane and filter module using same

#53
20190269841
2019-09-05

Low resistance microfabricated filter

#54
20190233971
2019-08-01

Producing fibers using spinnerets

#55
20190232233
2019-08-01

Selectively-permeable membrane

#56
20190232218
2019-08-01

Filter membrane

#57
20190209974
2019-07-11

IMPROVED FILTRATION MEMBRANE

#58
20190151799
2019-05-23

Filter membrane with bi-directional flow enhancing features

#59
20190143274
2019-05-16

Process for Preparing Membranes

#60
20190105611
2019-04-11

Polyvinylidene fluoride/ultra-high molecular weight polyethylene blend microporous membrane and preparation method thereof

#61
20190076775
2019-03-14

Tunable nanofiber filter media and filter devices

#62
20180333679
2018-11-22

Features on a porous membrane

#63
20180264414
2018-09-20

Membranes and methods of use thereof

#64
20180207589
2018-07-26

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

#65
20180179718
2018-06-28

Oil fence with oil filtration membrane

#66
20180178167
2018-06-28

Membrane surface hydrophobicity through electro-hydrodynamic film patterning

#67
20180141834
2018-05-24

Single module, flow-electrode apparatus and method for continous water desalination and ion separation by capacitive deionization

#68
20180113384
2018-04-26

Fabrication of free standing membranes and use thereof for synthesis of nanoparticle patterns

#69
20180085713
2018-03-29

Hollow fiber membrane and method of preparing the same

#70
20180036688
2018-02-08

Separation of gases using reactive adsorbents and membranes

#71
20180015425
2018-01-18

Enthalpy exchanger element, enthalpy exchanger comprising such elements and method for their production

#72
20170361274
2017-12-21

Nanoscale gaseous material filtering and pumping systems and methods of use thereof

#73
20170304779
2017-10-26

Method for producing molded filter body

#74
20170225103
2017-08-10

Filter element and filter unit

#75
20170203255
2017-07-20

Membrane with increased surface area

#76
20170182494
2017-06-29

Flowcells with microretainers and particle separators for discrete seeding microspots

#77
20170165611
2017-06-15

Membrane with performance enhancing multi-level macroscopic cavities

#78
20170095773
2017-04-06

Method of operating membrane filter

#79
20170072349
2017-03-16

Tunable nanofiber filter media and filter devices

#80
20170056828
2017-03-02

Membrane stacks

#81
20170056826
2017-03-02

Membrane stacks

#82
20170007965
2017-01-12

Process for Preparing Membranes

#83
20170001146
2017-01-05

Disposable membrane stacks

#84
20160271564
2016-09-22

Separation membrane, sheet flow path material, and separation membrane element

#85
20160228823
2016-08-11

ION EXCHANGE MEMBRANE AND FILTER MODULE USING SAME

#86
20160158706
2016-06-09

MICRO-AND/OR NANO-SCALE PATTERNED POROUS MEMBRANES, METHODS OF MAKING MEMBRANES, AND METHODS OF USING MEMBRANES

#87
20160074814
2016-03-17

Composite separation membrane including graphene oxide coating layer and method for manufacturing the same

#88
20150246327
2015-09-03

Porous membrane patterning technique

#89
20150246324
2015-09-03

Charged hollow fiber membrane having hexagonal voids

#90
20150246322
2015-09-03

Porous polymeric membrane with high void volume

#91
20150238908
2015-08-27

Filtration membranes with nanoscale patterns

#92
20150136733
2015-05-21

Method for making multiple walled nested coaxial nanostructures

#93
20150090661
2015-04-02

Low resistance microfabricated filter

#94
20150076067
2015-03-19

Microfluidic organ assist device incorporating boundary layer disrupters

#95
20150027945
2015-01-29

Membrane filter including bile acid and a method of manufacturing the same

#96
20150017725
2015-01-15

Production method of polyurethane porous membrane to be used for at least one of applications of cell culture and cancer cell growth inhibition

#97
20140319051
2014-10-30

Water-treatment separating membrane of high flux having good chlorine resistance

#98
20140311969
2014-10-23

Water-treatment separating membrane of high flux having good chlorine resistance

#99
20140248429
2014-09-04

Fabrication of free standing membranes and use thereof for synthesis of nanoparticle patterns

#100
20140120453
2014-05-01

Patterned graphite oxide films and methods to make and use same

#101
20140053570
2014-02-27

Fuel fractionation using membrane distillation

#102
20140048477
2014-02-20

Hybrid porous structured material, membrane including the same, and method of preparing hybrid porous structured material

#103
20130264266
2013-10-10

Syringe filter

#104
20130256229
2013-10-03

Large pore polymeric membrane

#105
20130152784
2013-06-20

Method of making a composite gas separation module

#106
20130146539
2013-06-13

Membrane with localized asymmetries

#107
20130108845
2013-05-02

OLEOPHOBIC MEMBRANE STRUCTURES INCLUDING A POROUS POLYMERIC COATING

#108
20130104740
2013-05-02

Method for preparing a palladium-gold alloy gas separation membrane system

#109
20130101797
2013-04-25

Spiral wound membrane permeate carrier with thin border

#110
20130098835
2013-04-25

Microscopically structured polymer monoliths and fabrication methods

#111
20130071793
2013-03-21

Fuel fractionation using membrane distillation

#112
20130011799
2013-01-10

Method for the production of polymeric membranes having an ordered arrangement of high-aspect-ratio nanopores, by means of heavy ion bombing

#113
20120267337
2012-10-25

Ultrathin porous nanoscale membranes, methods of making, and uses thereof

#114
20120217199
2012-08-30

Hollow fiber membrane mats with fluid impermeable segments and related methods

#115
20120193285
2012-08-02

Method for producing resin porous membrane with adhesive layer, resin porous membrane with adhesive layer, and filter member

#116
20120183946
2012-07-19

Fabrication of microfilters and nanofilters and their applications

#117
20120175295
2012-07-12

Blood treatment unit for an extra-corporeal blood treatment apparatus

#118
20120080313
2012-04-05

ELECTROOSMOTIC DEVICES

#119
20120064273
2012-03-15

Porous article

#120
20120058302
2012-03-08

FABRICATION OF ANTI-FOULING SURFACES COMPRISING A MICRO- OR NANO-PATTERNED COATING

#121
20120034410
2012-02-09

MULTIPLE WALLED NESTED COAXIAL NANOSTRUCTURES

#122
20120018366
2012-01-26

Fluid separation system with reduced fouling

#123
20120000363
2012-01-05

Air filter device

#124
20110297612
2011-12-08

POROUS MEMBRANES WITH MULTIPLE ZONES HAVING DIFFERENT PORE SIZES

#125
20110006036
2011-01-13

Method for fabricating membrane having hydrophilicity and hydrophobicity

#126
20100294710
2010-11-25

Method for producing a component, in particular a micromechanical and/or microfluidic and/or microelectronic component, and component

#127
20100282977
2010-11-11

SPECT camera

#128
20100282680
2010-11-11

SUPERHYDROPHOBIC MEMBRANE DISTILLATION FOR WATER PURIFICATION

#129
20100270233
2010-10-28

WATER PURIFYING FILTER AND METHOD FOR FABRICATING THE SAME

#130
20100263533
2010-10-21

Methods of making and using activated carbon-containing coated substrates and the products made therefrom

#131
20100176057
2010-07-15

Liquid filtration using pressure difference across a hydrophobic membrane

#132
20100160466
2010-06-24

Filled nanoporous polymer membrane composites for protective clothing and methods for making them

#133
20100151190
2010-06-17

Adaptive membrane structure with insertable protrusions

#134
20100112199
2010-05-06

Method of transferring nanoparticles using a microporous article having metallic nanoparticle coating

#135
20100108494
2010-05-06

Microporous article having metallic nanoparticle coating

#136
20100065490
2010-03-18

ION-PERMEABLE MEMBRANE AND THE PRODUCTION THEREOF

#137
20100062312
2010-03-11

Thin solid oxide cell

#138
20100056650
2010-03-04

Membrane production

#139
20100032368
2010-02-11

Method for producing resin porous membrane with adhesive layer, resin porous membrane with adhesive layer, and filter member

#140
20090314696
2009-12-24

Adaptive membrane structure

#141
20090280246
2009-11-12

Mesoporous membranes with complex functional architectures and methods for making

#142
20090139650
2009-06-04

REVERSE OSMOSIS MEMBRANE AND MEMBRANE STACK ASSEMBLY

#143
20090121182
2009-05-14

CARBON NANOTUBE FOAM AND METHOD OF MAKING AND USING THEREOF

#144
20090011235
2009-01-08

Manganese oxide nanowires, films, and membranes and methods of making

#145
20080274301
2008-11-06

Method for producing patterns in a polymer layer

#146
20080248182
2008-10-09

Device with a Membrane on a Carrier, as Well as a Method for Manufacturing Such a Membrane

#147
20080182068
2008-07-31

Nanotransfer and nanoreplication using deterministically grown sacrificial nanotemplates

#148
20080128390
2008-06-05

Fluidic MEMS device

#149
20080124663
2008-05-29

Microfluidic systems including three-dimensionally arrayed channel networks

#150
20080122140
2008-05-29

Microfluidic systems including three-dimensionally arrayed channel networks

#151
20080113155
2008-05-15

Nano transfer and nanoreplication using deterministically grown sacrificial nanotemplates

#152
20080083697
2008-04-10

POROUS SILICON COMPOSITE STRUCTURE AS LARGE FILTRATION ARRAY

#153
20080035575
2008-02-14

Polymer membrane for separating aromatic and aliphatic compounds

#154
20080035557
2008-02-14

Polymer-coated inorganic membrane for separating aromatic and aliphatic compounds

#155
20070240570
2007-10-18

High-temperature membrane for COand/or HS separation

#156
20070240565
2007-10-18

Membrane reactor for HS, COand Hseparation

#157
20070160474
2007-07-12

Regulation structure, separation device and gradient forming device, and microchip using the same

#158
20070148415
2007-06-28

Mesoporous membranes with complex functional architectures and methods for making

#159
20070110988
2007-05-17

Inorganic layer

#160
20070092652
2007-04-26

Screen printing using nanoporous polymeric membranes and conductive inks

#161
20070071962
2007-03-29

Multi-layer ceramic compound

#162
20070056898
2007-03-15

Ablated predetermined surface geometric shaped boundary formed on porous material mounted on a substrate and methods of making same

#163
20070039471
2007-02-22

Filter element and method for the production thereof

#164
20070025883
2007-02-01

Uses of parylene membrane filters

#165
20070012618
2007-01-18

Microporous filter

#166
20060280906
2006-12-14

Adaptive membrane structure with insertable protrusions

#167
20060278580
2006-12-14

Ultrathin porous nanoscale membranes, methods of making, and uses thereof

#168
20060251874
2006-11-09

Microporous article having metallic nanoparticle coating

#169
20060243655
2006-11-02

Ultrathin nanoscale membranes, methods of making, and uses thereof

#170
20060234100
2006-10-19

Two layer electrolyte supported fuel cell stack

#171
20060172417
2006-08-03

Cell cultivation and breeding method

#172
20060172280
2006-08-03

System for monitoring cell motility in real-time

#173
20060169138
2006-08-03

Fuel deoxygenation system with textured oxygen permeable membrane

#174
20060160200
2006-07-20

Supporting body with immobilized catalytically active units

#175
20060118483
2006-06-08

Method for preparing a separation medium

#176
20060099396
2006-05-11

Nanoporous coatings

#177
20060073610
2006-04-06

Patterned composite membrane and stenciling method for the manufacture thereof

#178
20060073089
2006-04-06

Carbon nanotube foam and method of making and using thereof

#179
20060068127
2006-03-30

Nanotransfer and nanoreplication using deterministically grown sacrificial nanotemplates

#180
20060049101
2006-03-09

Manganese oxide nanowires, films, and membranes and methods of making

#181
20050249917
2005-11-10

Adaptive membrane structure

#182
20050204915
2005-09-22

Porous gas permeable material for gas separation

#183
20050176245
2005-08-11

Nanoconduits and nanoreplicants

#184
20050100974
2005-05-12

Methods of detecting immobilized biomolecules

#185
20050092676
2005-05-05

Porous silicon composite structure as large filtration array

#186
20050082215
2005-04-21

Microporous filter

#187
20050076779
2005-04-14

Gas separating unit and method for manufacturing the same

#188
20050000888
2005-01-06

Method for preparing a separation medium