ClassID:

29974

B01D69/088 - CPC Classification

Classification description:

Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor; Hollow fibre membranes; Details relating to the spinning process Co-extrusion; Co-spinning

Recent Application in this class:
#1
20260077316
2026-03-19

Microporous Hollow Fiber Webs and Methods of Making Same

#2
20260070024
2026-03-12

Asymmetric Hollow Fiber Membrane

#3
20250381527
2025-12-18

Fiber membrane prepared based on in-situ growth and application thereof in toluene adsorption

#4
20250269333
2025-08-28

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

#5
20250121333
2025-04-17

Advanced carbon molecular sieve membranes derived from composite polyimide hollow fiber precursors

#6
20240408555
2024-12-12

DOPED MEMBRANES

#7
20240327574
2024-10-03

POLYIMIDE COPOLYMERS AND MEMBRANES, PREPARATION METHODS AND USES THEREOF AS WELL AS SYSTEMS AND METHODS FOR PURIFYING HELIUM GAS

#8
20240325985
2024-10-03

METHODS FOR MANUFACTURING HOLLOW FIBER CARBON MEMBRANES

#9
20240157306
2024-05-16

HOLLOW-FIBER MEMBRANE AND METHOD MAKING THEREOF

#10
20240011194
2024-01-11

SPINNING BEAM

#11
20230372901
2023-11-23

DUAL-LAYER HOLLOW FIBER MEMBRANES AND METHODS OF MAKING AND USE

#12
20230366127
2023-11-16

ASSEMBLY COMPRISING A CENTER-FLUID DISTRIBUTOR AND A MULTI-FIBER SPINNERET

#13
20230364563
2023-11-16

SPINNERET

#14
20230321610
2023-10-12

HOLLOW FIBER MEMBRANE FOR SEPARATING BLOOD PLASMA FROM BLOOD

#15
20220410080
2022-12-29

Hollow fibre membrane with improved separating efficiency, and production of a hollow fibre membrane with improved separating efficiency

#16
20220176326
2022-06-09

FIBRE COMPRISING ORGANOSILANE FOR PURIFICATION OF LIQUIDS

#17
20220088543
2022-03-24

System and method for producing hollow fibre membranes

#18
20220062816
2022-03-03

Asymmetric hollow fiber membranes and methods of making and using the same

#19
20220023803
2022-01-27

On-line drying of hollow fiber membranes

#20
20210394125
2021-12-23

Crosslinked hollow-fibre membranes and new process for manufacturing the same

#21
20210331120
2021-10-28

Hollow fiber membranes with nucleating agent and methods of making and using the same

#22
20210308627
2021-10-07

Dual-layer membrane and method for preparing same

#23
20210229047
2021-07-29

Doped membranes

#24
20210197135
2021-07-01

Hollow fiber membrane and its preparation method and application

#25
20210129085
2021-05-06

Method of making carbon molecular sieve membranes

#26
20200346173
2020-11-05

Porous hollow fiber membrane, method for producing same, and water purification method

#27
20200212466
2020-07-02

Apparatus and method for forming a multilayer extrusion comprising component layers of an electrochemical cell

#28
20200156014
2020-05-21

Spinneret, device having a spinneret, method for producing a hollow fiber or hollow fiber membrane by means of a spinneret and filter

#29
20200061545
2020-02-27

Composite hollow-fiber membrane and production method therefor

#30
20190381462
2019-12-19

Hollow fibre membrane with improved separating efficiency, and production of a hollow fibre membrane with improved separating efficiency

#31
20190299166
2019-10-03

Macroporous or mesoporous polymer films in hollow fiber geometry

#32
20190202103
2019-07-04

Thin film composite hollow fiber membranes for osmotic power generation

#33
20190099724
2019-04-04

Method, spinneret and system for fabricating multilayer membranes

#34
20190054427
2019-02-21

METHODS FOR REGENERATING AGED CARBON MOLECULAR SIEVE MEMBRANES

#35
20190030491
2019-01-31

METHODS FOR PREPARING CARBON MOLECULAR SIEVE HOLLOW FIBER MEMBRANES FOR GAS SEPARATION

#36
20190001276
2019-01-03

COMPOSITE CARBON MOLECULAR SIEVE MEMBRANES HAVING ANTI-SUBSTRUCTURE COLLAPSE PARTICLES LOADED IN A CORE THEREOF

#37
20180369761
2018-12-27

Method of making carbon molecular sieve membranes

#38
20180272290
2018-09-27

ASYMMETRIC MEMBRANES AND RELATED METHODS

#39
20180272289
2018-09-27

Homogeneous fiber reinforced PVDF hollow fiber membrane and preparation method thereof

#40
20170368507
2017-12-28

On-line drying of hollow fiber membranes

#41
20170282128
2017-10-05

Porous membranes and associated separation modules and methods

#42
20170274327
2017-09-28

Composite nanoparticle stabilized core carbon molecular sieve hollow fiber membranes having improved permeance

#43
20170189866
2017-07-06

Mixed Matrix Hollow Fiber Membranes

#44
20170056835
2017-03-02

Porous asymmetric polyphenylene ether membranes and associated separation modules and methods

#45
20170036169
2017-02-09

ASYMMETRIC POLY(PHENYLENE ETHER) CO-POLYMER MEMBRANE, SEPARATION MODULE THEREOF AND METHODS OF MAKING

#46
20170021310
2017-01-26

Porous asymmetric polyphenylene ether membranes and associated separation modules and methods

#47
20160325237
2016-11-10

Porous hollow fiber membrane, method for producing same, and water purification method

#48
20160303522
2016-10-20

Nanofiltration membrane and method of manufacturing a nanofiltration membrane

#49
20160271571
2016-09-22

High selectivity epoxysilicone-cross-linked polyimide membranes for gas separations

#50
20160177035
2016-06-23

Super high selectivity aromatic block copolyimide membranes for separations

#51
20160151746
2016-06-02

Composite carbon molecular sieve membranes having anti-substructure collapse particles loaded in a core thereof

#52
20160121533
2016-05-05

THIN FILM COMPOSITE HOLLOW FIBER MEMBRANES FOR OSMOTIC POWER GENERATION

#53
20150367291
2015-12-24

Virus filter

#54
20150360184
2015-12-17

Techniques for preparing multi-layer polymeric and mixed matrix membranes and a device for membrane distillation

#55
20150258500
2015-09-17

Asymmetric membranes and related methods

#56
20150251140
2015-09-10

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

#57
20150096934
2015-04-09

Preparation method of homogeneous-reinforced PVDF hollow fiber membrane

#58
20150053611
2015-02-26

HYDROPHOBIC ORGANIC-INORGANIC COMPOSITE HOLLOW FIBER MEMBRANE AND METHOD OF FORMING THE SAME

#59
20150020685
2015-01-22

Hollow fiber membranes and methods for forming same

#60
20150011815
2015-01-08

Composite hollow fiber membranes useful for COremoval from natural gas

#61
20140326669
2014-11-06

DOPED MEMBRANES

#62
20140326659
2014-11-06

Preparation method of enhanced-type polyacrylonitrile hollow fiber membrane

#63
20140170256
2014-06-19

Spinning device

#64
20140166571
2014-06-19

Hollow fibers having a winding channel

#65
20140091037
2014-04-03

Porous membrane, process for producing porous membrane, process for producing clarified liquid, and porous-membrane module

#66
20130292866
2013-11-07

Porous membrane, process for producing porous membrane, process for producing clarified liquid, and porous-membrane module

#67
20130255498
2013-10-03

Polyolefin-composite hollow-fiber membrane and manufacturing method for same, and hollow-fiber membrane module

#68
20130251909
2013-09-26

Device and process for producing a reinforced hollow fibre membrane

#69
20130192459
2013-08-01

Hollow fibre membrane

#70
20130025459
2013-01-31

Hollow ceramic fibers, precursors for manufacture thereof utilizing pore formers, methods of making the same, and methods of using the same

#71
20130025458
2013-01-31

Hollow ceramic fibers, precursors for manufacture thereof utilizing nanoparticles, methods of making the same, and methods of using the same

#72
20130000488
2013-01-03

Composite hollow ceramic fibers, precursors for, methods of making the same, and methods of using the same

#73
20120210869
2012-08-23

Delamination free membrane

#74
20120074064
2012-03-29

Membranes having improved performance

#75
20120040463
2012-02-16

HOLLOW, NOTABLY MULTI-MEMBRANE FIBERS, METHOD FOR PREPARATION THEREOF BY SPINNING AND DEVICE FOR APPLYING SAID METHOD

#76
20110266223
2011-11-03

DUAL-LAYER HOLLOW FIBERS WITH ENHANCED FLUX AS FORWARD OSMOSIS MEMBRANES FOR WATER REUSES AND PROTEIN ENRICHMENT

#77
20110266222
2011-11-03

POLYBENZIMIDAZOLE-BASED MEMBRANES FOR THE DEHYDRATION OF ORGANIC LIQUIDS VIA PERVAPORATION

#78
20110192281
2011-08-11

Polymer blends and carbonized polymer blends

#79
20110165308
2011-07-07

Porous membrane, process for producing porous membrane, process for producing clarified liquid, and porous-membrane module

#80
20110114559
2011-05-19

Hollow fibre membrane

#81
20100326915
2010-12-30

HOLLOW FIBER CAPILLARY MEMBRANE AND METHOD FOR THE PRODUCTION THEREOF

#82
20100163488
2010-07-01

Hollow fiber capillary membrane and method for the production thereof

#83
20090297822
2009-12-03

Porous multilayered hollow-fiber membrane and process for producing the same

#84
20070144716
2007-06-28

Potted exchange devices and methods of making

#85
20070084794
2007-04-19

Porous membrane and method for manufacturing the same

#86
20050253312
2005-11-17

Process for manufacturing of ceramic catalytic membrane reactors by co-extrusion