ClassID:

29933

B01D67/0032 - CPC Classification

Classification description:

Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus; Organic membrane manufacture by inducing porosity into non porous precursor membranes by elimination of segments of the precursor, e.g. nucleation-track membranes, lithography or laser methods

Sub-classes:
Recent Application in this class:
#1
20260131063
2026-05-14

Systems, Methods, and Devices for Removing Circulating Tumor Cells from Blood

#2
20250256017
2025-08-14

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

#3
20250222409
2025-07-10

POROUS MEMBRANES AND METHODS OF MAKING AND USING THEREOF

#4
20240316506
2024-09-26

DEVICE AND METHOD FOR SEPARATING PARTICLES IN A LIQUID, KIT CONTAINING THE DEVICE, AND APPLICATIONS OF THE DEVICE

#5
20230285909
2023-09-14

CARBON NANOMEMBRANES ON POROUS MATERIALS

#6
20230191012
2023-06-22

Systems, Methods, and Devices for Removing Circulating Tumor Cells from Blood

#7
20230084914
2023-03-16

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

#8
20220355241
2022-11-10

Method of gas separation using metal-organic framework membrane

#9
20220074831
2022-03-10

METHODS AND APPARATUS TO SELECTIVELY EXTRACT CONSTITUENTS FROM BIOLOGICAL SAMPLES

#10
20210346846
2021-11-11

Polymer membranes

#11
20210205763
2021-07-08

Carbon nanomembranes on porous materials

#12
20210101117
2021-04-08

MICROFILTER, MANUFACTURING METHOD AND MICROFILTRATION UNIT

#13
20200407525
2020-12-31

Porous Polymer Membranes Comprising Vertically Aligned Carbon Nanotubes, and Methods of Making and Using Same

#14
20200268960
2020-08-27

Systems, methods, and devices for removing circulating tumor cells from blood

#15
20200215480
2020-07-09

Hierarchical triply periodic minimal surface structures as heat exchangers and reactors

#16
20200136115
2020-04-30

Porous etched ion-track polymer membrane as a separator for a battery

#17
20200061271
2020-02-27

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

#18
20200047114
2020-02-13

Gas separation membrane containing metal-organic frameworks and methods of making thereof

#19
20190176093
2019-06-13

System and method for manufacturing a membrane filter

#20
20180296982
2018-10-18

POLYMER MEMBRANES HAVING OPEN THROUGH HOLES, AND METHOD OF FABRICATION THEREOF

#21
20180071689
2018-03-15

Filtration cell and method for filtering a biological sample

#22
20180043310
2018-02-15

Localizing nanopore fabrication on a membrane by laser illumination during controlled breakdown

#23
20180043084
2018-02-15

Systems, methods, and devices for removing circulating tumor cells from blood

#24
20170151584
2017-06-01

Porous resin structures

#25
20170090293
2017-03-30

Filtration filter, filtration method, production method of purified liquid chemical product for lithography, and method of forming resist pattern

#26
20170002308
2017-01-05

Device for separating cells in fluid

#27
20160346714
2016-12-01

Island etched filter passages

#28
20160207006
2016-07-21

Waterproof gas-permeable membrane, waterproof gas-permeable member and waterproof gas-permeable structure including same, and waterproof sound-permeable membrane

#29
20160151747
2016-06-02

Porous Nanomembranes

#30
20160082398
2016-03-24

Substrate for liquid filter

#31
20160082397
2016-03-24

Substrate for liquid filter

#32
20150238908
2015-08-27

Filtration membranes with nanoscale patterns

#33
20140124131
2014-05-08

Fabrication of nanoporous membrane

#34
20130264737
2013-10-10

Method of manufacturing a track membrane

#35
20130175213
2013-07-11

System for separating bodily fluid constituents and method for producing such a system

#36
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

#37
20120244412
2012-09-27

PERFORATED FILM

#38
20120193284
2012-08-02

Method for preparing a filtration membrane and filtration membrane prepared by said method

#39
20120138535
2012-06-07

Perforated membranes

#40
20120024775
2012-02-02

Filter

#41
20110108473
2011-05-12

MICROMECHANICAL FILTER FOR MICROPARTICLES, IN PARTICULAR FOR PATHOGENIC BACTERIA AND VIRUSES, AND ALSO PROCESS FOR PRODUCTION THEREOF

#42
20110091717
2011-04-21

METHOD FOR IN SITU FORMATION OF METAL NANOCLUSTERS WITHIN A POROUS SUBSTRATE FIELD

#43
20100270233
2010-10-28

WATER PURIFYING FILTER AND METHOD FOR FABRICATING THE SAME

#44
20100126965
2010-05-27

Molded body, method for producing the body and use thereof

#45
20100069596
2010-03-18

MICROPOROUS POLYOLEFIN MEMBRANE, ITS PRODUCTION METHOD, BATTERY SEPARATOR AND BATTERY

#46
20100018852
2010-01-28

Process for Producing a Porous Track Membrane

#47
20090314696
2009-12-24

Adaptive membrane structure

#48
20090246546
2009-10-01

Method for producing a plastic membrane device and the thus obtained device

#49
20090208726
2009-08-20

Nanoporous membrane, process of fabricating the same and device for controlled release of biopharmaceuticals comprising the same

#50
20090142638
2009-06-04

COMPOSITE POROUS MEMBRANE, METHOD FOR PRODUCING COMPOSITE POROUS MEMBRANE, SOLID POLYMER ELECTROLYTE MEMBRANE, AND FUEL CELL

#51
20090057222
2009-03-05

MEMBRANE CARD AND METHOD FOR THE PRODUCTION AND USE THEREOF

#52
20090029142
2009-01-29

Method of making microporous filter membrane

#53
20080314820
2008-12-25

Permeable Membrane Repelling One or More Liquids

#54
20080241502
2008-10-02

Molded Body, Method For Producing the Body and Use Thereof

#55
20080171251
2008-07-17

Functional membrane and production method thereof, and electrolyte membrane for use in fuel cell and production method thereof

#56
20080160374
2008-07-03

Functional membrane and electrolyte membrane for fuel cells and method for producing the same

#57
20080085216
2008-04-10

Gas exchange chip

#58
20080025875
2008-01-31

Chemical, Particle, and Biosensing with Nanotechnology

#59
20070056898
2007-03-15

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

#60
20070039471
2007-02-22

Filter element and method for the production thereof

#61
20070012618
2007-01-18

Microporous filter

#62
20060263884
2006-11-23

Use of passageways through porous membranes

#63
20060194037
2006-08-31

Flexible, breathable polymer film and method for production thereof

#64
20060163071
2006-07-27

Nanodevice for controlled charged particle flow and method for producing same

#65
20060032329
2006-02-16

Novel structures and method of preparation

#66
20050263452
2005-12-01

Microporous filter membrane, method of making microporous filter membrane and separator employing microporous filter membranes

#67
20050252883
2005-11-17

Process for producing a porous track membrane

#68
20050230353
2005-10-20

Method and array for processing carrier materials by means of heavy ion radiation and subsequent etching

#69
20050082215
2005-04-21

Microporous filter

#70
20050072689
2005-04-07

Method for etching at least one ion track to a pore in a membrane and electrolyte cell for preparing the membrane

#71
20050023245
2005-02-03

Method of forming microporous membranes