ClassID:

30939

B01D2325/44 - CPC Classification

Classification description:

Details relating to properties of membranes; Specific optical properties Specific light transmission

Recent Application in this class:
#1
20240278172
2024-08-22

ELECTROSPUN POLYMERIC NANOFIBER FILTER MATERIAL AND DEVICES

#2
20240139690
2024-05-02

TRANSPARENT, GAS-PERMEABLE AND WATERPROOF FILM, PARTICULARLY FOR APPLICATIONS IN THE MEDICAL FIELD

#3
20210402354
2021-12-30

Ultra-violet treatment of membranes and resulting membrane

#4
20210129087
2021-05-06

Anti-haze anti-harmful gas air filter membrane as well as preparation method and application thereof

#5
20210101120
2021-04-08

SEMIPERMEABLE MEMBRANE FOR WAITER TREATMENT, PREPARING METHOD FOR THE SAME, AND POLLUTED WATER TREATMENT SYSTEM INCLUDING THE SAME

#6
20200360870
2020-11-19

Method for synthesis of flexible multifunctional high-voidage ultrathin PE membranes

#7
20200330984
2020-10-22

Hydrogel membrane and methods for selective retrieval of microbial targets

#8
20190255564
2019-08-22

OMNIPHOBIC POROUS MEMBRANE AND METHODS FOR PREPARING THE SAME

#9
20190232218
2019-08-01

Filter membrane

#10
20180155501
2018-06-07

Self-healing polysilsesquioxanes and hybrid film using the same

#11
20170274328
2017-09-28

COMPOSITE SEMIPERMEABLE MEMBRANE, SEPARATION MEMBRANE ELEMENT, AND PROCESS FOR PRODUCING SAID MEMBRANE

#12
20170209836
2017-07-27

Hollow-fiber membrane blood purification device

#13
20170183707
2017-06-29

Filtration system and use thereof

#14
20160367946
2016-12-22

Dye sensitized photoactive surfaces

#15
20140286843
2014-09-25

Fluid filtration apparatus

#16
20110248214
2011-10-13

Inorganic mesoporous materials with chiral nematic structures and preparation method thereof

#17
20100112199
2010-05-06

Method of transferring nanoparticles using a microporous article having metallic nanoparticle coating

#18
20100108494
2010-05-06

Microporous article having metallic nanoparticle coating

#19
20090130419
2009-05-21

FOAM SHEET AND PRODUCTION PROCESS THEREOF

#20
20060251874
2006-11-09

Microporous article having metallic nanoparticle coating

#21
20060210785
2006-09-21

Foamed product in a sheet form and method for production thereof

#22
20050214692
2005-09-29

Method for producing microhole structures

#23
20050070424
2005-03-31

Method for making transparent continuous zeolite film and structure of the zeolite film