ClassID:

30933

B01D2325/32 - CPC Classification

Classification description:

Details relating to properties of membranes Melting point or glass-transition temperatures

Recent Application in this class:
#1
20260069172
2026-03-12

DIFFUSION LAYER FOR AN ENZYMATIC IN-VIVO SENSOR

#2
20240299887
2024-09-12

THIN-FILM COMPOSITE MEMBRANES HAVING IMPROVED ADHESION BETWEEN LAYERS AND USES THEREOF

#3
20240226813
2024-07-11

POLYMERIC MATERIALS AND METHODS FOR SELECTIVE ION SEPARATION OR TRANSPORT

#4
20240131475
2024-04-25

POLYMERIC MATERIALS AND METHODS FOR SELECTIVE ION SEPARATION OR TRANSPORT

#5
20230416174
2023-12-28

POLYMER SEPARATION MEMBRANE FOR PURIFYING METHANE

#6
20230211282
2023-07-06

SEPARATION ARTICLES AND METHODS FOR USING THE SAME FOR SELECTIVELY REMOVING DIFLUOROMETHANE FROM A GASESOUS MIXTURE

#7
20220010659
2022-01-13

Filtration media including porous polymeric material and degradable shape memory material

#8
20210260536
2021-08-26

Micro or nano porous membrane, manufacturing method of same, porous resin membrane complex, and filter element

#9
20210113947
2021-04-22

NONWOVEN FABRIC FOR CABIN AIR FILTER COMPRISING LOW MELTING POLYESTER FIBER

#10
20210045664
2021-02-18

DIFFUSION LAYER FOR AN ENZYMATIC IN-VIVO SENSOR

#11
20200078724
2020-03-12

Polymer blended membranes for sour gas separation

#12
20190201839
2019-07-04

Gas separation membrane module and method for gas separation

#13
20180345211
2018-12-06

Polymer blended membranes for sour gas separation

#14
20180221812
2018-08-09

Gas separation membrane module and method for gas separation

#15
20170274327
2017-09-28

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

#16
20150122129
2015-05-07

Composite hollow fiber membrane and hollow fiber membrane module

#17
20120304856
2012-12-06

Gas separation membrane module and gas separation method

#18
20120125835
2012-05-24

Process for the preparation of ethylene/chlorotrifluoroethylene polymer membranes

#19
20120070644
2012-03-22

Microporous Polyolefin Multilayer Film Possessing Good Mechanical Properties and Thermal Stability

#20
20110269900
2011-11-03

Polypropylene resin composition for use in formation of microporous membrane

#21
20110168630
2011-07-14

Graft copolymers, methods for grafting hydrophilic chains onto hydrophobic polymers, and articles thereof

#22
20100098872
2010-04-22

MULTILAYERED MEMBRANE AND THE METHOD OF PRODUCING THE MEMBRANE

#23
20100058926
2010-03-11

Photo-crosslinked gas selective membranes as part of thin film composite hollow fiber membranes

#24
20090203805
2009-08-13

Membrane preparation method comprising the extrusion of a thermoplastic polymer bearing alkaline groupings

#25
20080315465
2008-12-25

METHOD OF MANUFACTURING COMPOSITE FILTER MEDIA

#26
20080315464
2008-12-25

Method of manufacturing a composite filter media

#27
20080314010
2008-12-25

Composite filter media

#28
20080290021
2008-11-27

Composite Membrane and Its Use in Separation Processes

#29
20080041791
2008-02-21

Purification of fluids with carbon nanotubes having attached functional group

#30
20070241050
2007-10-18

Porous water filtration membrane of vinylidene fluoride resin hollow fiber and process for production thereof

#31
20070219322
2007-09-20

Graft copolymers, methods for grafting hydrophilic chains onto hydrophobic polymers, and articles thereof

#32
20070215540
2007-09-20

Hollow-fiber porous water filtration membrane of vinylidene fluoride resin and process for producing the same

#33
20070194452
2007-08-23

Hydrogen permeable membrane, fuel cell and hydrogen extracting apparatus equipped with the hydrogen permeable membrane, and method of manufacturing the hydrogen permeable membrane

#34
20070137477
2007-06-21

Metal oxide nanoparticle filled polymers

#35
20070084797
2007-04-19

Purification of fluids with nanomaterials

#36
20060156920
2006-07-20

Separation membrane made from blends of polyimide with polyamide or polyimide-amide polymers

#37
20060016332
2006-01-26

Method for fabricating a composite gas separation module

#38
20050145561
2005-07-07

Porous membrane

#39
20050011358
2005-01-20

Porous cylindrical-body module, structure for supporting porous cylindrical bodies, and method for fastening a supporting member