ClassID:

30916

B01D2325/026 - CPC Classification

Classification description:

Details relating to properties of membranes; Details relating to pores or porosity of the membranes Sponge structure

Recent Application in this class:
#1
20260145140
2026-05-28

MECHANICALLY STABLE ULTRAFILTRATION MEMBRANE, AND METHOD FOR PRODUCING SAME

#2
20250325945
2025-10-23

ADSORPTIVE MEMBRANES FOR RECOVERY OF LITHIUM AND SOLAR-DRIVEN RECYCLING OF WATER FROM GEOTHERMAL BRINES

#3
20240091714
2024-03-21

Strong Hollow-Fiber Membranes for Saline Desalination and Water Treatment

#4
20240050907
2024-02-15

Membrane for blood purification

#5
20240001303
2024-01-04

HOLLOW FIBER MEMBRANE AND METHOD FOR PRODUCING SAME

#6
20220410081
2022-12-29

Mechanically stable ultrafiltration membrane, and method for producing same

#7
20220379266
2022-12-01

POLYMER-BASED FILM, PREPARATION METHOD THEREFOR, AND USE THEREOF

#8
20220274069
2022-09-01

CONDUCTIVE MEMBRANE AND PREPARATION METHOD THEREOF

#9
20220184564
2022-06-16

ASYMMETRICALLY POROUS ION EXCHANGE MEMBRANES AND THEIR METHOD OF MANUFACTURE

#10
20220152562
2022-05-19

Membrane for blood purification

#11
20210402354
2021-12-30

Ultra-violet treatment of membranes and resulting membrane

#12
20210393864
2021-12-23

FLUID REACTORS

#13
20210268447
2021-09-02

GRAVITY-DRIVEN CHITOSAN-ENHANCED MELAMINE SPONGE FOR STABLE ULTRAFAST FILTRATION

#14
20210229043
2021-07-29

Membrane for Capillary Microfiltration

#15
20210197134
2021-07-01

Filter membrane and device

#16
20200269197
2020-08-27

Membrane for blood purification

#17
20200269194
2020-08-27

POROUS MEMBRANE CONTAINING METAL-ORGANIC FRAMEWORKS

#18
20200222858
2020-07-16

Filter membrane and device

#19
20200206693
2020-07-02

Porous hollow fiber membrane, method for producing porous hollow fiber membrane and filtration method

#20
20190247802
2019-08-15

Hollow fiber membrane

#21
20190022599
2019-01-24

Fluid separation membrane, fluid separation membrane module, and porous carbon fiber

#22
20180169592
2018-06-21

Hollow fiber structures, methods of use thereof, methods of making, and pressure-retarded processes

#23
20170312703
2017-11-02

Microporous polyvinyl fluoride planar membrane and production thereof

#24
20170165616
2017-06-15

Membrane for blood purification

#25
20160243505
2016-08-25

Seaweed polysaccharide based superhydrophilic foam membrane for energy-efficient oil-water separation

#26
20160089638
2016-03-31

Microporous polyvinylidene fluoride membrane

#27
20150367291
2015-12-24

Virus filter

#28
20150273390
2015-10-01

Adsorptive permeation hollow fiber membrane, method of manufacturing the same, and gas adsorptive/desorptive separation system utilizing the same

#29
20150202576
2015-07-23

Hollow-fibre membrane having novel structure, and production method therefor

#30
20150108061
2015-04-23

Forward osmosis membrane for seawater desalination and method for preparing the same

#31
20140008291
2014-01-09

Forward osmosis membrane and method of forming a forward osmosis membrane

#32
20130105383
2013-05-02

NANOFILTRATION-TYPE THIN FILM COMPOSITE FORWARD OSMOSIS MEMBRANE AND A METHOD OF SYNTHESIZING THE SAME

#33
20120305472
2012-12-06

Porous hollow fiber membrane for treatment of protein-containing liquid

#34
20120043274
2012-02-23

Forward osmosis membrane for seawater desalination and method for preparing the same

#35
20110198764
2011-08-18

AERATION SYSTEM WITH ANTIMICROBIAL PROPERTIES

#36
20100258504
2010-10-14

FABRICATION OF ASYMMETRIC POLYSULFONE MEMBRANE FOR DRINKING WATER PURIFICATION

#37
20100224553
2010-09-09

Ultrafiltration membrane

#38
20100050875
2010-03-04

Gas exchange membrane in particular for use in an artificial lung and method for the production of a gas exchange membrane of this type

#39
20090283469
2009-11-19

Polyvinylidene fluoride hollow fiber microporous membrane and process for production of the same

#40
20090057225
2009-03-05

Filtration Membrane

#41
20080286556
2008-11-20

SUPER-HYDROPHOBIC WATER REPELLANT POWDER

#42
20080210624
2008-09-04

The Preparation Method Of Exo-Pressure Type Poly(Vinylidene Fluoride) Hollow Fiber Membrane Spinned Utilizing A Immersion-Coagulation Method And The Product Thereof

#43
20080182914
2008-07-31

POROUS MEMBRANE AND RECORDING MEDIUM COMPRISING SAME

#44
20080113177
2008-05-15

Aromatic polyamide porous film, process for producing the same and secondary battery

#45
20060226067
2006-10-12

Asymmetric forward osmosis membranes

#46
20050145107
2005-07-07

Process for producing polyolefin membrane with integrally asymmetrical structure

#47
18134194
2023-09-26

Hydrophobic novel biofilm membrane modified with a spiropolyurethane

#48
16387418
2020-03-03

Method of making an asymmetric polyvinylidene difluoride membrane