ClassID:

30019

B01D71/50 - CPC Classification

Classification description:

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

Recent Application in this class:
#1
20260138098
2026-05-21

Self-Assembled Ionic Liquid Layer

#2
20260014528
2026-01-15

Ordered Metal Organic Framework Polymer Membranes

#3
20240278171
2024-08-22

GAS SEPARATION MEMBRANE USING FURAN-BASED POLYMERS

#4
20240181402
2024-06-06

POROUS COMPOSITE MEMBRANE FORMED BY BLENDING PERFLUOROALKOXY ALKANE (PFA) AND ORGANIC MATERIAL, AND MANUFACTURING METHOD THEREOF

#5
20240091713
2024-03-21

Rotary Filter Apparatus For Roll-To-Roll Nanomaterial Dispersion Papermaking

#6
20240009625
2024-01-11

CELL RETENTION DEVICE

#7
20230285972
2023-09-14

PARTICLE FILTRATION DEVICE AND METHOD OF PARTICLE FILTRATION

#8
20230271131
2023-08-31

GAS SEPARATION MEMBRANE USING FURAN-BASED POLYMERS

#9
20230201762
2023-06-29

Gas Separation Method and Apparatus

#10
20230149856
2023-05-18

REVERSE ELECTRO-OSMOTIC FILTRATION SYSTEM AND USES THEREOF

#11
20230127490
2023-04-27

Electrophoresis device

#12
20220379267
2022-12-01

SYSTEMS AND METHODS FOR PURIFYING AQUEOUS SOLUTIONS

#13
20220106554
2022-04-07

METHOD OF USING TRACK ETCHED MEMBRANES FOR THE FILTRATION OF BIOLOGICAL FLUIDS

#14
20220072478
2022-03-10

Cell retention device

#15
20220062817
2022-03-03

GAS SEPARATION MEMBRANE USING FURAN-BASED POLYMERS

#16
20210317012
2021-10-14

WATER TREATMENT SYSTEMS, AN ELECTRIC FILTRATION CELL, AND METHODS OF SEPARATING AND ACQUIRING CHARGED COMPOSITIONS, SUCH AS PHOSPHOROUS

#17
20210147788
2021-05-20

ISOLATION DEVICE FOR ADIPOSE-DERIVED STROMAL VASCULAR FRACTION

#18
20210093995
2021-04-01

Method and apparatus for recycling heptafluoroisobutyronitrile

#19
20200345625
2020-11-05

Nanopore Delivery Device

#20
20200264133
2020-08-20

METHODS AND DEVICES FOR THE SEPARATION, DETECTION AND MEASUREMENT OF MOLECULES IN LIQUID SAMPLES

#21
20200261751
2020-08-20

3-DIMENSIONAL NASAL FILTER POD

#22
20200215488
2020-07-09

Dialysis cell for sample preparation for a chemical analysis method

#23
20200208200
2020-07-02

VIABILITY DETECTION AND QUANTIFICATION ASSAY OF WATERBORNE PATHOGENS BY ENRICHMENT

#24
20200188906
2020-06-18

CONTAINER FOR A FILTRATION ASSEMBLY

#25
20200087656
2020-03-19

Sample preparation device and methods of use

#26
20200047134
2020-02-13

Biological fluid separation device

#27
20190344555
2019-11-14

Additive fabrication process with a structural material comprising an IR absorber

#28
20190247796
2019-08-15

Rotary Filter Apparatus For Roll-To-Roll Nanomaterial Dispersion Papermaking

#29
20190241868
2019-08-08

Electrophoresis device

#30
20190232233
2019-08-01

Selectively-permeable membrane

#31
20190176093
2019-06-13

System and method for manufacturing a membrane filter

#32
20190076794
2019-03-14

FLUX-ENHANCED HIERARCHICAL POROUS MEMBRANE FOR OIL-WATER NANOEMULSION SEPARATION

#33
20190015547
2019-01-17

Semipermeable membrane and method of manufacturing the same

#34
20180296988
2018-10-18

CELL-TRAPPING FILTER

#35
20180224362
2018-08-09

Apparatus and methods for liquid separation and capture of biologics

#36
20180180034
2018-06-28

Osmosis energy storage & restoration system and indirect solar powerplant

#37
20180161733
2018-06-14

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

#38
20180133655
2018-05-17

Systems and methods for platelet concentration with a spinning membrane separator

#39
20180133644
2018-05-17

Multiple membrane separation process using glassy polymeric membrane and rubbery polymeric membrane

#40
20180071689
2018-03-15

Filtration cell and method for filtering a biological sample

#41
20180056243
2018-03-01

Plasma extractor

#42
20170252706
2017-09-07

Biological fluid separation device

#43
20170225116
2017-08-10

Method and apparatus for removing high concentration acid gas from natural gas

#44
20170219523
2017-08-03

EXTRACTION AND CONCENTRATION DEVICE

#45
20170182464
2017-06-29

Membrane separation device having improved filtration velocity

#46
20170128656
2017-05-11

Whole blood separation system

#47
20170113191
2017-04-27

Water separation composite membrane

#48
20170113190
2017-04-27

WATER SEPARATION COMPOSITE MEMBRANE

#49
20170043300
2017-02-16

NANOPOROUS MEMBRANES AND METHODS FOR MAKING THE SAME

#50
20170036174
2017-02-09

Perforated graphene deionization or desalination

#51
20160304444
2016-10-20

Method for separating isocyanate monomers

#52
20160304416
2016-10-20

Fermentation hydrocarbon gas products separation via membrane

#53
20160214069
2016-07-28

NOVEL NANO-PATTERNED THIN FILM MEMBRANES AND THIN FILM COMPOSITE MEMBRANES, AND METHODS USING SAME

#54
20160177262
2016-06-23

Methods for cell washing with on-line dilution of cell feed

#55
20160158425
2016-06-09

APPARATUS FOR BLOOD CONCENTRATION

#56
20160066553
2016-03-10

CONTROLLED RELEASE OF CARBON DIOXIDE FROM SELF-IMMOLATIVE POLYMERS

#57
20160045858
2016-02-18

Membrane module capable of operation in extreme temperature environments

#58
20150336059
2015-11-26

Method for producing a filter intended to filter nanoparticles, obtained filter and associated method for the collection and quantitative analysis of nanoparticles

#59
20150328583
2015-11-19

Method and apparatus for removing high concentration acid gas from natural gas

#60
20150273405
2015-10-01

FLUID SEPARATION UNIT

#61
20150251140
2015-09-10

Hollow fiber membrane for dehydration of organic solvents via pervaporation process and a method of fabricating the same

#62
20150148436
2015-05-28

Method to fabricate functionalized conical nanopores

#63
20150144552
2015-05-28

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

#64
20140332462
2014-11-13

Flux-enhanced hierarchical porous membrane for oil-water nanoemulsion separation

#65
20140272997
2014-09-18

Sample preparation device and methods of use

#66
20140243572
2014-08-28

Hybrid membrane system for gas streams with condensable hydrocarbons

#67
20140187683
2014-07-03

High-flow hollow-fiber membranes containing polymer blends

#68
20130270188
2013-10-17

Graphene based filter

#69
20130240447
2013-09-19

Hierarchical porous membrane for emulsion separation

#70
20120260799
2012-10-18

Apparatus and method for recovery of sulfur hexafluoride

#71
20120132589
2012-05-31

Supported ionic liquid membrane system and process for aromatic separation from hydrocarbon feeds

#72
20110253621
2011-10-20

Method of manufacturing hydrophilic membrane having improved antifouling property and hydrophilic membrane manufactured by the method

#73
20110247360
2011-10-13

Method of obtaining carbon dioxide from carbon dioxide-containing gas mixture

#74
20100276368
2010-11-04

Process for membrane separation of linear hydrocarbons within a hydrocarbon mixture

#75
20100261799
2010-10-14

Stable and compatible polymer blends

#76
20100126965
2010-05-27

Molded body, method for producing the body and use thereof

#77
20090264550
2009-10-22

MANUFACTURING METHOD OF A MEMBRANE AND A MEMBRANE THEREOF, FOR EMULSIFICATION

#78
20090233351
2009-09-17

Method for controlling pressure-difference bubble transfer

#79
20090184047
2009-07-23

Functionalized nanopore membranes and related methods of use

#80
20090101507
2009-04-23

Sperm cell separation by electrophoresis

#81
20080241502
2008-10-02

Molded Body, Method For Producing the Body and Use Thereof

#82
20080085216
2008-04-10

Gas exchange chip

#83
20080025875
2008-01-31

Chemical, Particle, and Biosensing with Nanotechnology

#84
20070181490
2007-08-09

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

#85
20070012618
2007-01-18

Microporous filter

#86
20060249447
2006-11-09

Solvent-resistant composite membrane composition

#87
20060249446
2006-11-09

Solvent-resistant composite membrane composition

#88
20060163071
2006-07-27

Nanodevice for controlled charged particle flow and method for producing same

#89
20050204920
2005-09-22

Efficient 3-D nanostructured gas separation membranes

#90
20050082215
2005-04-21

Microporous filter

#91
14519743
2017-03-21

Surface functionalization of metal organic frameworks for mixed matrix membranes