ClassID:

30917

B01D2325/027 - CPC Classification

Classification description:

Details relating to properties of membranes; Details relating to pores or porosity of the membranes Nonporous membranes

Recent Application in this class:
#1
20250319442
2025-10-16

HUMIDIFICATION LAMINATE AND HUMIDIFIER

#2
20240252985
2024-08-01

METHOD FOR CONVERTING OSMOTIC ENERGY INTO HYDRAULIC ENERGY AND FOR DESALINATION

#3
20240001308
2024-01-04

SYSTEMS FOR REMOVING EXPLOSIVES AND OTHER COEXISTING CONTAMINANTS FROM WATER AND RELATED METHODS

#4
20230047835
2023-02-16

METHOD FOR MAKING POROUS FILTER MEMBRANES

#5
20220410077
2022-12-29

Method for Producing a Gas Separation Membrane

#6
20220195368
2022-06-23

FLUID CONDUIT WITH RADIAL EXPANSION OF FLUID FLOW

#7
20220062816
2022-03-03

Asymmetric hollow fiber membranes and methods of making and using the same

#8
20210356366
2021-11-18

Device and method for isolating extracellular vesicles from biofluids

#9
20200188842
2020-06-18

IMPROVED MEMBRANES FOR SEPARATING ALKENES FROM OTHER COMPOUNDS

#10
20190329158
2019-10-31

Oxygen removal unit with tortuous path

#11
20190217253
2019-07-18

Self-coiling hollow fibre membrane

#12
20180078894
2018-03-22

Method and apparatus for separating one or more components from a composition

#13
20170333850
2017-11-23

Fluid distribution device for a gas-liquid contactor, gas-liquid contactor and method for adding a gas to a liquid

#14
20170327649
2017-11-16

Films derived from two or more chemically distinct block copolymers, methods of making same, and uses thereof

#15
20170029965
2017-02-02

Excess micro-bubble hydrogen preparation device

#16
20160023158
2016-01-28

Method and apparatus for separating one or more components from a composition

#17
20150190747
2015-07-09

Method of separating a gas using at least one membrane in contact with an organosilicon fluid

#18
20150182921
2015-07-02

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

#19
20150059576
2015-03-05

Composite hollow fiber membrane and hollow fiber membrane module

#20
20130333563
2013-12-19

Method and arrangement for generating oxygen

#21
20130184503
2013-07-18

Membrane having a pore-free separating layer and use and method of manufacturing a membrane

#22
20120097612
2012-04-26

Organic fluid permeation through fluoropolymer membranes

#23
20100317751
2010-12-16

Process for the extraction of hydrogen from a gas mixture

#24
20100218681
2010-09-02

MEMBRANES COMPRISING AMINO ACID MOBILE CARRIERS

#25
20100218680
2010-09-02

Membranes comprising amino acid mobile carriers

#26
20100162892
2010-07-01

Membrane comprising oxyethylene groups

#27
20100130761
2010-05-27

Deacidification method

#28
20100126352
2010-05-27

Membranes and processes for their manufacture and use