ClassID:

30004

B01D71/20 - CPC Classification

Classification description:

Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor; Organic material; Polysaccharides; Cellulose derivatives Esters of inorganic acids, e.g. cellulose nitrate

Recent Application in this class:
#1
20240367995
2024-11-07

INTERCALATED THIN FILMS AND METHODS FOR THEIR PREPARATION AND USE

#2
20240067805
2024-02-29

NITROCELLULOSE MEMBRANE COMPRISING NON-COVALENTLY ATTACHED ORGANIC NANOSTRUCTURED MOLECULE

#3
20230366151
2023-11-16

NITROCELLULOSE PAPERS AND METHODS OF PRODUCTION AND USE

#4
20220274064
2022-09-01

Filtration membrane and method of production thereof

#5
20210230399
2021-07-29

Nitrocellulose membrane comprising non-covalently attached organic nanostructured molecule

#6
20200400536
2020-12-24

Method for separating microplastics from animal excrement

#7
20200345625
2020-11-05

Nanopore Delivery Device

#8
20180162747
2018-06-14

Method for generating hydroxyl radical and removing organic pollutants in water by utilizing an organic membrane

#9
20180104655
2018-04-19

Polymeric membranes

#10
20170296977
2017-10-19

Development of nanofiltration system with La/SnO—TiOnanoparticles

#11
20160257941
2016-09-08

Sulfated cellulose hydrate membrane, method for producing same, and use of the membrane as an adsorption membrane for a virus purification process

#12
20150375177
2015-12-31

Crosslinked cellulosic membranes

#13
20150175919
2015-06-25

DEWATERING SYSTEM FOR INCREASING THE COMBINED CYCLE EFFICIENCY OF A COAL POWERPLANT

#14
20150027945
2015-01-29

Membrane filter including bile acid and a method of manufacturing the same

#15
20130171669
2013-07-04

POROUS MEMBRANES HAVING A HYDROPHILIC COATING AND METHODS FOR THEIR PREPARATION AND USE

#16
20100330691
2010-12-30

Apparatus for producing surface enhanced membrane

#17
20100317117
2010-12-16

SELECTIVE MEMBRANE EXTRACTION OF RADIOACTIVE ANALYTES

#18
20100218477
2010-09-02

Dewatering system and process for increasing the combined cycle efficiency of a coal powerplant