ClassID:

30908

B01D2323/48 - CPC Classification

Classification description:

Details relating to membrane preparation Influencing the pH

Recent Application in this class:
#1
20260048364
2026-02-19

Method of Preparing Polyamide Membrane with Multi-Level Pore Structure Mediated by Protein Fiber Network

#2
20260014526
2026-01-15

WATER TREATMENT METHOD

#3
20260008016
2026-01-08

METHOD FOR MAKING POLYSULFONE-BASED MEMBRANE

#4
20240424451
2024-12-26

COMPOSITIONS AND METHODS FOR SELECTIVE EXTRACTION OF LITHIUM

#5
20240399319
2024-12-05

ANION EXCHANGE MEMBRANE AND METHOD FOR PRODUCING THE SAME

#6
20240399317
2024-12-05

METHOD FOR PREPARING SELF-SUPPORTING COMPOSITE NANOFILTRATION MEMBRANE

#7
20240325988
2024-10-03

POLYSULFONE-BASED MEMBRANE FOR FRACTIONATION OF ERICHROME BLACK T (EBT)/DIVALENT SALTS, AND A METHOD OF MAKING THE SAME

#8
20240307831
2024-09-19

REVERSE OSMOSIS MEMBRANE AND METHOD OF PRODUCING THE SAME

#9
20230338904
2023-10-26

CERAMIC MEMBRANE TECHNOLOGY FOR MOLECULE-RANGE SEPARATION

#10
20230241559
2023-08-03

Reverse osmosis membrane and method of producing the same

#11
20220410083
2022-12-29

Zeolite membrane complex, separation apparatus, separation method and method of producing zeolite membrane complex

#12
20220226785
2022-07-21

COMPOSITION FOR FORMING SEPARATION MEMBRANE ACTIVE LAYER, METHOD FOR PRODUCING SEPARATION MEMBRANE, SEPARATION MEMBRANE, AND WATER TREATMENT MODULE

#13
20200246775
2020-08-06

Supported zeolite films and methods for preparing

#14
20200238222
2020-07-30

High flux, chlorine resistant coating for sulfate removal membranes

#15
20200197879
2020-06-25

Zeolite membrane complex and method of producing zeolite membrane complex

#16
20200129931
2020-04-30

Thin film composite membrane with nano-sized bubbles having enhanced membrane permeability, preparation methods and uses thereof

#17
20190168172
2019-06-06

Preparation of hand-carry gravity-driven water filter with high throughput and water disinfection performance

#18
20180369756
2018-12-27

High flux, chlorine resistant coating for sulfate removal membranes

#19
20180318771
2018-11-08

Separation membrane, separation membrane element, water purifier, and method for producing separation membrane

#20
20170036172
2017-02-09

Enhanced graphene oxide membranes and methods for making same

#21
20160121005
2016-05-05

Filter and container having microbicidal activity

#22
20160087302
2016-03-24

Hybrid membranes containing titanium dioxide doped with fluorine

#23
20150182920
2015-07-02

Nanocomposite polymer-carbon based nanomaterial filters for the simultaneous removal of bacteria and heavy metals

#24
20130196251
2013-08-01

Hybrid membranes containing titanium dioxide doped with fluorine

#25
20100081033
2010-04-01

Polymer electrolyte and fuel cell employing the same

#26
20100056369
2010-03-04

Methods of making inorganic membranes

#27
20090130419
2009-05-21

FOAM SHEET AND PRODUCTION PROCESS THEREOF

#28
20090108239
2009-04-30

COMPOSITE MEMBRANE

#29
20090090241
2009-04-09

GAS SEPARATION MEMBRANES CONTAINING A MICROPOROUS SILICA LAYER BASED ON SILICA DOPED WITH A TRIVALENT ELEMENT

#30
20080073218
2008-03-27

PLATING SOLUTION OF PALLADIUM ALLOY AND METHOD FOR PLATING USING THE SAME

#31
20080014355
2008-01-17

Method for Preparing a Palladium-Containing Layer

#32
20070241050
2007-10-18

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

#33
20060210785
2006-09-21

Foamed product in a sheet form and method for production thereof

#34
20060127727
2006-06-15

Polymer electrolyte and fuel cell employing the same