ClassID:

29965

B01D69/043 - CPC Classification

Classification description:

Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor; Tubular membranes characterised by the tube diameter

Recent Application in this class:
#1
20260124585
2026-05-07

METHOD FOR NANOFILTRATION OF A SOLUTE-CONTAINING COMPOSITION

#2
20260115668
2026-04-30

PREPARATION METHOD FOR TUBULAR GAS-PERMEABLE MEMBRANE AND WASTEWATER TREATMENT OF AMMONIA NITROGEN REMOVAL PROCESS

#3
20250387759
2025-12-25

MEMBRANE SEPARATION DEVICE, MEMBRANE SEPARATION SYSTEM, AND METHOD FOR OPERATING MEMBRANE SEPARATION DEVICE

#4
20250073645
2025-03-06

PENTA-AMINE-IMPREGNATED ULTRAFILTRATION SUPPORT MATRIX FOR RAPID FABRICATION OF A HYPER-CROSS-LINKED POLYAMIDE MEMBRANE

#5
20250010244
2025-01-09

CROSS-FLOW MEMBRANE FILTRATION CHANNEL

#6
20240325977
2024-10-03

CONCENTRATION METHOD FOR ANALYSIS SOLUTION USING FORWARD OSMOSIS MEMBRANE, AND ANALYSIS METHOD

#7
20240317611
2024-09-26

DESALINATION METHOD OF ION MICRO-NANO SIEVING FOR AGRICULTURAL WATER

#8
20240100474
2024-03-28

MIXED GAS SEPARATION METHOD AND MIXED GAS SEPARATION APPARATUS

#9
20230416486
2023-12-28

MICROPOROUS ARTICLES AND CORRESPONDING FORMATION METHODS

#10
20230414855
2023-12-28

Blood processing apparatus and method for detoxifying bacterial lipopolysaccharide in vivo

#11
20230381392
2023-11-30

Blood processing apparatus and method for destroying cancer metastasis in vivo

#12
20220305443
2022-09-29

METHOD OF MANUFACTURING A SINGLE-PIECE COLUMN STRUCTURE FOR THE SEPARATION OF A FLUID MEDIUM

#13
20210069650
2021-03-11

Fluid separation apparatus comprising fluid separation membrane, and fluid separation membrane module

#14
20210046425
2021-02-18

Ceramic filter membrane module

#15
20200368695
2020-11-26

Base material, for membrane filter and method for producing same

#16
20200360585
2020-11-19

Systems and methods for removing specific impurities from fluids such as blood using a nanotube selector

#17
20200276541
2020-09-03

Sanitary Membrane Cartridge for Reverse Osmosis Filtration

#18
20200088423
2020-03-19

Vacuum sweep dehumidification system

#19
20190282965
2019-09-19

Cross-flow membrane filtration channel

#20
20190201853
2019-07-04

Filtering article containing titania nanotubes

#21
20190054429
2019-02-21

Composition and method for manufacturing sulfone polymer membrane

#22
20180280886
2018-10-04

Fluid separation apparatus comprising fluid separation membrane, and fluid separation membrane module

#23
20180141254
2018-05-24

Very thin tube made from TPU and its production process

#24
20170266624
2017-09-21

Hollow fiber membrane and hollow fiber membrane module

#25
20170203256
2017-07-20

Magnetic nanotube composite membranes

#26
20160002363
2016-01-07

Process For Filtration Of Homopolysaccharides

#27
20150367289
2015-12-24

Filtering article containing titania nanotubes

#28
20150360182
2015-12-17

Gas exchanger and artificial lung

#29
20140202953
2014-07-24

Multilayer Membrane Containing Carbon Nanotube Manufactured by Layer-By-Layer Assembly Method

#30
20140091032
2014-04-03

Asymmetric nanotube containing membranes

#31
20130284023
2013-10-31

Asymmetric nanotube containing membranes

#32
20120234761
2012-09-20

Asymmetric nanotube containing membranes

#33
20110290730
2011-12-01

Asymmetric nanotube containing membranes

#34
20110290715
2011-12-01

FLUID FILTER AND FILTER SYSTEM

#35
20110186506
2011-08-04

Asymmetric nanotube containing membranes

#36
20110003134
2011-01-06

Water-tight and water vapor-permeable membrane