ClassID:

30909

B01D2323/50 - CPC Classification

Classification description:

Details relating to membrane preparation Control of the membrane preparation process

Recent Application in this class:
#1
20260021453
2026-01-22

SELECTION METHOD AND SYSTEM FOR TARGET PALLADIUM MEMBRANE, EXECUTION METHOD AND SYSTEM FOR HYDROGEN-RELATED REACTION, AND DETERMINATION METHOD AND SYSTEM FOR PERMEATION RATE

#2
20250153110
2025-05-15

METHOD FOR THE PRODUCTION OF A MEMBRANE ENVELOPE

#3
20240316505
2024-09-26

APPARATUSES, METHODS, AND SYSTEMS FOR FABRICATING GRAPHENE MEMBRANES

#4
20230381742
2023-11-30

POROUS MEMBRANE INCLUDING PERFLUOROALKOXY ALKANE (PFA)-BASED MELT-EXTRUDED FILM AND HAVING PORES CONTROLLED BY BIAXIAL STRETCHING, AND MANUFACTURING METHOD THEREFOR

#5
20230366127
2023-11-16

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

#6
20230277979
2023-09-07

Mixed matrix membrane (MMM) and method of H/COgas separation by using MMM

#7
20230265585
2023-08-24

A HOLLOW FIBER AND A PROCESS FOR PREPARATION THEREOF

#8
20230211296
2023-07-06

POROUS MEMBRANE OF POLYTETRAFLUOROETHYLENE AND/OR MODIFIED POLYTETRAFLUOROETHYLENE HAVING HIGH STRENGTH AND SMALL PORE DIAMETER

#9
20230166217
2023-06-01

PLEATED COMPOSITE PERVAPORATION LAMINATE AND METHOD OF MAKING SAME

#10
20230093327
2023-03-23

Composite membrane and methods of fabrication thereof

#11
20220401892
2022-12-22

A CERAMIC MEMBRANE FOR WATER AND WASTEWATER TREATMENT

#12
20220250011
2022-08-11

Porous polytetrafluoroethylene membrane, and thermosetting method

#13
20220219123
2022-07-14

FILTRATION MEMBRANE TREATMENT DEVICE, MEMBRANE FILTRATION DEVICE, AND FILTRATION MEMBRANE TREATMENT METHOD

#14
20220212148
2022-07-07

Apparatuses, methods, and systems for fabricating graphene membranes

#15
20220023803
2022-01-27

On-line drying of hollow fiber membranes

#16
20210346846
2021-11-11

Polymer membranes

#17
20210268451
2021-09-02

CERAMIC NANOFILTRATION MEMBRANE WITH POLYMERS GRAFTED INTO THE PORES AND METHOD OF PRODUCING SAME

#18
20210008503
2021-01-14

Method of preparation of conductive polymer/carbon nanotube composite nanofiltration membrane and the use thereof

#19
20200391162
2020-12-17

Molecularly-mixed composite membranes and methods for making the same

#20
20200360866
2020-11-19

Composite porous membrane and preparation method therefor and use thereof

#21
20200246775
2020-08-06

Supported zeolite films and methods for preparing

#22
20200061530
2020-02-27

Acidic gas separation membrane sheet and manufacturing method therefor

#23
20190282969
2019-09-19

Graphene Oxide Membrane With A Controllable Interlayer Spacing, A Preparation Method And Use Thereof

#24
20190275470
2019-09-12

Methods of making graphene oxide nanofilters

#25
20190099722
2019-04-04

Method of making carbon molecular sieve membranes

#26
20180207589
2018-07-26

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

#27
20180001267
2018-01-04

Graphene membrane film for solvent purification, method for producing same, and solvent purification system using same

#28
20170368507
2017-12-28

On-line drying of hollow fiber membranes

#29
20160023187
2016-01-28

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

#30
20140183133
2014-07-03

Graphene nanotube array for gas filtration

#31
20120153544
2012-06-21

Melt processable poly (vinyl alcohol) blends and poly (vinyl alcohol) based membranes

#32
20090220836
2009-09-03

PROCESS FOR THE MANUFACTURE OF AN ION-CONDUCTING POLYMER MEMBRANE FOR A FUEL CELL

#33
20080128390
2008-06-05

Fluidic MEMS device

#34
20080085940
2008-04-10

METHOD AND DEVICE FOR NON-DESTRUCTIVE ANALYSIS OF PERFORATIONS IN A MATERIAL

#35
20070019187
2007-01-25

Method and device for non-destructive analysis of perforations in a material

#36
20050082717
2005-04-21

Methods of making stretched filtering membranes and modules

#37
20050000889
2005-01-06

Membranes and methods of manufacture thereof