ClassID:

29961

B01D67/0097 - CPC Classification

Classification description:

Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus; After-treatment of organic or inorganic membranes Storing or preservation

Recent Application in this class:
#1
20260102735
2026-04-16

SEPARATION MEMBRANE COMPLEX AND METHOD OF PRODUCING SEPARATION MEMBRANE COMPLEX

#2
20260048364
2026-02-19

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

#3
20250249409
2025-08-07

ORGANIC SOLVENT ULTRAFILTRATION MEMBRANE OF POLYIMIDE/POLYETHYLENEIMINE@TiO2 WITH HIGH SOLVENT PERMEABILITY AND METHOD OF PRODUCING THE SAME

#4
20250144570
2025-05-08

PREPARATION METHOD FOR CHELATING MEMBRANE FOR PURIFYING WET ELECTRONIC CHEMICALS

#5
20250041793
2025-02-06

PROCESS FOR PREPARING A POLYBENZOXAZINE-DERIVED CARBON MEMBRANE, CARBON MEMBRANE, USE OF SAID MEMBRANE FOR SEPARATING INDUSTRIAL GASES AND PERMEATION MODULE

#6
20230081461
2023-03-16

PHOTOCURABLE COLOR CHANGING COMPOSITIONS AND METHOD OF FORMING FEATURES ON A MEMBRANE SURFACE USING THE SAME

#7
20230076317
2023-03-09

Forward osmosis membrane and method of preparing same

#8
20230072568
2023-03-09

FORWARD OSMOSIS MEMBRANE AND METHOD OF PREPARING SAME

#9
20210237000
2021-08-05

Perfluoropolymer hollow fiber composite membrane preparation method

#10
20190177539
2019-06-13

Composition comprising aromatic and fluorinated polymers and use thereof

#11
20190100352
2019-04-04

Secondary packaging container and method for hemodialysis dialyzers

#12
20170361284
2017-12-21

High-functional polyamide-based dry water treatment separator and method for manufacturing same

#13
20170203254
2017-07-20

Package, method for storing or transporting sub-nano membrane structure, and sub-nano membrane structure

#14
20170165614
2017-06-15

Asymmetric membranes for use in nanofiltration

#15
20160354729
2016-12-08

MEMBRANES COMPRISING GRAPHENE

#16
20160310909
2016-10-27

Composite polyamide membrane having azo content and high acid content

#17
20160271569
2016-09-22

Composite polyamide membrane treated with dihyroxyaryl compounds and nitrous acid

#18
20160243496
2016-08-25

Air-separation device, inerting device and aircraft comprising such a device

#19
20160200597
2016-07-14

Hyperfiltration system suitable for household use

#20
20160008764
2016-01-14

Method of producing composite for acid gas separation and apparatus for producing same

#21
20150367288
2015-12-24

Composite polyamide membrane including dissolvable polymer coating

#22
20150320921
2015-11-12

Method for sterilizing blood purifier and blood purifier package

#23
20150258265
2015-09-17

Blood purifier package and process for manufacturing the same

#24
20150258264
2015-09-17

Blood purifier and blood purifier package

#25
20150166380
2015-06-18

Membrane supported biofilm apparatus

#26
20150053079
2015-02-26

Hollow fiber carbon molecular sieve membrane and preparation and use thereof

#27
20140008280
2014-01-09

Bioreactor with suspended biomass and membrane supported biofilm

#28
20130324678
2013-12-05

METHOD FOR IMPROVING REJECTION OF PERMEABLE MEMBRANE, TREATMENT AGENT FOR IMPROVING REJECTION, AND PERMEABLE MEMBRANE

#29
20130324664
2013-12-05

Method for improving rejection of reverse osmosis membrane, treatment agent for improving rejection, and reverse osmosis membrane

#30
20120132853
2012-05-31

METHOD OF PROTECTING MEMBRANES

#31
20100193387
2010-08-05

Electron beam sterilization method

#32
20100126929
2010-05-27

Membrane supported biofilm apparatus

#33
20100089820
2010-04-15

Dialysis membrane with improved removal of middle molecules

#34
20100018925
2010-01-28

UV treated membranes

#35
20080308504
2008-12-18

ELEMENT LOADING MECHANISM AND METHOD

#36
20080142434
2008-06-19

Blood purifier package and process for manufacturing the same

#37
20080087599
2008-04-17

Method for sterilizing blood purifier and blood purifier package

#38
20080067122
2008-03-20

Blood purifier and blood purifier package

#39
20080000830
2008-01-03

Highly Water Permeable Hollow Fiber Membrane Type Blood Purifier and Process for Manufacturing the Same

#40
20080000828
2008-01-03

High-flux dialysis membrane with an improved separation behaviour

#41
20070163949
2007-07-19

Dialysis membrane having improved ability for removal of middle molecules

#42
20060118482
2006-06-08

Materials for processing non-aqueous mixtures and methods for their preparation

#43
20060108279
2006-05-25

Materials and methods for processing non-aqueous mixtures

#44
20060030024
2006-02-09

Start-up method for filtering membranes to remove glycerin

#45
20050247629
2005-11-10

UV treated membranes

#46
20050236765
2005-10-27

Method and apparatus for transferring thin films from a source position to a target position

#47
20050184008
2005-08-25

Methods for treating membranes and separation facilities and membrane treatment composition

#48
20050063859
2005-03-24

Packaged blood purification device

#49
19183913
2025-10-14

Preparation method for reverse osmosis membrane resistant to high-temperature water environment