ClassID:

30883

B01D2323/14 - CPC Classification

Classification description:

Details relating to membrane preparation Ageing features

Recent Application in this class:
#1
20250074032
2025-03-06

BIAXIALLY ORIENTED MICROPOROUS MEMBRANE

#2
20250041793
2025-02-06

PROCESS FOR PREPARING A POLYBENZOXAZINE-DERIVED CARBON MEMBRANE, CARBON MEMBRANE, USE OF SAID MEMBRANE FOR SEPARATING INDUSTRIAL GASES AND PERMEATION MODULE

#3
20250033000
2025-01-30

PROCESS FOR OBTAINING REDUCED GRAPHENE OXIDE MEMBRANES, REACTOR FOR CARRYING OUT SAID PROCESS, REDUCED GRAPHENE OXIDE MEMBRANES OBTAINED FROM THIS PROCESS AND THEIR USES IN A SEPARATION PROCESS

#4
20240351876
2024-10-24

THERMALLY STABLE POROUS MEMBRANE AND ITS MANUFACTURING METHOD

#5
20240342645
2024-10-17

MICROPOROUS CROSSLINKED POLYMER MEMBRANE AND PROCESS FOR FABRICATING THE SAME

#6
20240100488
2024-03-28

High Temperature-Resistant Composite Nanofiltration Membrane And Preparation Method Thereof

#7
20230302411
2023-09-28

ASYMMETRIC HYDROPHOBIC POLYOLEFIN HOLLOW FIBER MEMBRANE, PREPARING METHOD, AND USE OF THE SAME

#8
20230277979
2023-09-07

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

#9
20220331746
2022-10-20

Light-driven filtration antibacterial composite membrane and preparation method and use thereof

#10
20220219126
2022-07-14

Zeolite membrane and preparation method thereof

#11
20220032240
2022-02-03

Separation membrane and methods of preparation thereof

#12
20210379537
2021-12-09

Hollow-fiber membrane and hollow-fiber membrane module

#13
20210354093
2021-11-18

MEMBRANES FOR MEMBRANE DISTILLATION DESALINATION TECHNOLOGY

#14
20210324142
2021-10-21

CROSS-LINKED POLYIMIDE MEMBRANES AND CARBON MOLECULAR SIEVE HOLLOW FIBER MEMBRANES MADE THEREFROM

#15
20210178338
2021-06-17

ULTRATHIN-FILM COMPOSITE MEMBRANE BASED ON THERMALLY REARRANGED POLY(BENZOXAZOLE-IMIDE) COPOLYMER, AND PRODUCTION METHOD THEREFOR

#16
20210162706
2021-06-03

Biaxially oriented microporous membrane

#17
20190366274
2019-12-05

Method for preparing defect-free DDR molecular sieve membrane

#18
20180142075
2018-05-24

Microporous polymeric composition

#19
20180008937
2018-01-11

COMPOSITE MOLECULAR SIEVE MEMBRANE, PREPARATION PROCESS AND USE THEREOF

#20
20150182921
2015-07-02

Carbon molecular sieve membranes made from 6FDA and DETDA-based precursor polymers

#21
20150114906
2015-04-30

SILYLATED MESOPOROUS SILICA MEMBRANES ON POLYMERIC HOLLOW FIBER SUPPORTS

#22
20150008185
2015-01-08

Hollow fiber type semipermeable membrane, method for manufacturing the same, module, and water treatment method

#23
20140302374
2014-10-09

Biaxially oriented microporous membrane

#24
20140287322
2014-09-25

Biaxially oriented microporous membrane

#25
20120240763
2012-09-27

Microporous UZM-5 inorganic zeolite membranes for gas, vapor, and liquid separations

#26
20120128999
2012-05-24

SULFUR-RESISTANT COMPOSITE METAL MEMBRANES

#27
20120108418
2012-05-03

Mesoporous silica membrane on polymeric hollow fibers

#28
20110169201
2011-07-14

METHODS OF MAKING A MIXTURE FOR A PTFE MEMBRANE WITH INORGANIC MATERIALS, AND COMPOSITIONS RELATED THERETO

#29
20110117287
2011-05-19

Process for producing modified substrate

#30
20100311565
2010-12-09

Microporous aluminophosphate molecular sieve membranes for highly selective separations

#31
20090318282
2009-12-24

Zeolite-Like Membranes from Nano-Zeolitic Particles

#32
20090264550
2009-10-22

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

#33
20090227744
2009-09-10

Separation membrane by controlled annealing of polyimide polymers

#34
20090212469
2009-08-27

Methods of making a mixture for a PTFE membrane with inorganic materials, and compositions related thereto

#35
20090114089
2009-05-07

Microporous Aluminophosphate Molecular Sieve Membranes for Highly Selective Separations

#36
20080038567
2008-02-14

Method of making sulfur-resistant composite metal membranes

#37
20070265484
2007-11-15

High flux and selectivity SAPO-34 membranes for CO/CHseparations

#38
20070196638
2007-08-23

Biaxially oriented microporous membrane

#39
20070045175
2007-03-01

Preparation of asymmetric polyethylene hollow fiber membrane

#40
20050273031
2005-12-08

Modified substrate and process for producing modified substrate

#41
20050204916
2005-09-22

High-selectivity supported SAPO membranes

#42
20050172811
2005-08-11

Hydrogen-selective silica-based membrane