ClassID:

30031

B01D71/74 - CPC Classification

Classification description:

Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor; Organic material Natural macromolecular material or derivatives thereof

Recent Application in this class:
#1
20260124584
2026-05-07

NANO SILK FIBROIN FIBROUS MEMBRANE WITH DIRECTIONAL WATER TRANSPORT AND PREPARATION METHOD THEREOF

#2
20260102743
2026-04-16

BITUMINOUS WATERPROOFING MEMBRANE COMPRISING A RECYCLED BITUMINOUS BINDER, A REINFORCEMENT AND A REJUVENATOR

#3
20260014523
2026-01-15

METHODS FOR MANUFACTURING AN APPARATUS FOR BIOLOGICAL FLUID PURIFICATION WITH BIOCOMPATIBLE MEMBRANES

#4
20260001043
2026-01-01

FILTRATION MEMBRANES AND METHOD OF MANUFACTURE THEREOF

#5
20250189510
2025-06-12

Deterministic Control of Polymer Molecule Translocation Through a Nanopore

#6
20250060354
2025-02-20

Deterministic Stepping of Polymers Through A Nanopore

#7
20240424450
2024-12-26

BACTERIOPHAGE-DERIVED NANOPORE SENSORS

#8
20240400719
2024-12-05

MATERIALS FOR VALUABLE METAL RECOVERY

#9
20240344006
2024-10-17

METHOD OF MANUFACTURE FOR EDIBLE, POROUS CROSS-LINKED HOLLOW FIBERS AND MEMBRANES BY PH INDUCED PHASE SEPARATION AND USES THEREOF

#10
20240342665
2024-10-17

CELLULOSE NANOFIBER (CNF) STABILIZED MEMBRANES AND METHODS OF MAKING THEREOF

#11
20240293777
2024-09-05

BIOLOGICAL FLUID PURIFICATION WITH BIOCOMPATIBLE MEMBRANES

#12
20240058754
2024-02-22

SUPER-HIGH-PERMEANCE THIN-FILM COMPOSITE NANOFILTRATION MEMBRANE INCORPORATING SILK NANOFIBER INTERLAYER

#13
20240052080
2024-02-15

MATERIALS FOR REDUCING ACIDS FROM LIQUID PHASES

#14
20240042396
2024-02-08

Polymeric Membrane

#15
20230271145
2023-08-31

ROBUST NANOFILMS PREPARED FROM SUSTAINABLE MATERIALS

#16
20230064768
2023-03-02

Anti-fouling and semi-permeable membrane

#17
20220378713
2022-12-01

SOY PROTEINS FOR PREPARATION OF GELS, FIBERS AND FILMS

#18
20220266205
2022-08-25

ACTIVE PHOSPHOLIPID MEMBRANE AND RELATED PRODUCTION PROCESS

#19
20220152559
2022-05-19

Stabilized filtration device

#20
20220118410
2022-04-21

SUPER-HYDROPHILIC, SUPER-OLEOPHOBIC MEMBRANES COMPRISING CARBOHYDRATE DERIVATIVES

#21
20220088544
2022-03-24

FABRICATION OF AQUAPORIN-BASED BIOMIMETIC MEMBRANE

#22
20220056181
2022-02-24

Materials for reducing acids from liquid phases

#23
20210403850
2021-12-30

SEMIPERMEABLE MEMBRANE AND USES THEREOF

#24
20210278392
2021-09-09

Deterministic stepping of polymers through a nanopore

#25
20210129084
2021-05-06

INTEGRALLY ASYMMETRICAL, ISOPOROUS BLOCK COPOLYMER MEMBRANES IN FLAT SHEET GEOMETRY

#26
20210086141
2021-03-25

Bacteriophage-derived nanopore sensors

#27
20210046432
2021-02-18

PERMSELECTIVE MEMBRANE AND METHOD FOR PRODUCING SAME, AND METHOD FOR TREATING WATER

#28
20200215495
2020-07-09

Advanced filtration membranes using chitosan and graphene oxide

#29
20200181213
2020-06-11

Silk nanofibrils and uses thereof

#30
20200016547
2020-01-16

Selectively permeable graphene oxide membrane

#31
20190329189
2019-10-31

ANGSTROM-SCALE SEPARATIONS BY DESIGN USING PRECISION BIOMIMETIC MEMBRANE

#32
20190247803
2019-08-15

Biomimetic multilayer compositions

#33
20190184344
2019-06-20

Systems for water extraction for up-concentration of organic solutes

#34
20190162709
2019-05-30

Gas measurement device

#35
20190099725
2019-04-04

Stabilization of biomimetic membranes

#36
20190047869
2019-02-14

Method of recycling chitosan and graphene oxide compound

#37
20190046933
2019-02-14

Permselective membrane, method for producing same, and water treatment method using the permselective membrane

#38
20190039026
2019-02-07

Advanced filtration membranes using chitosan and graphene oxide

#39
20190004029
2019-01-03

Deterministic stepping of polymers through a nanopore

#40
20170348642
2017-12-07

Electrode and process for preparing the electrode and devices thereof

#41
20160367949
2016-12-22

Artificial membrane-fixed liquid filtration structure

#42
20160243505
2016-08-25

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

#43
20160199785
2016-07-14

High density membrane protein membranes

#44
20160030895
2016-02-04

Device for separation and collection of plasma

#45
20160016127
2016-01-21

Water extraction system containing a membrane including an active layer having a cross-linked aromatic polyamide thin film

#46
20150273407
2015-10-01

Stabilization of biomimetic membranes

#47
20150144553
2015-05-28

Hollow fiber module having TFC-aquaporin modified membranes

#48
20150144552
2015-05-28

Immobilized multi-layer artificial membrane for permeability measurements (PAMPA)

#49
20150008185
2015-01-08

Hollow fiber type semipermeable membrane, method for manufacturing the same, module, and water treatment method

#50
20140284270
2014-09-25

RNA pores and methods and compositions for making and using same

#51
20140263036
2014-09-18

FLEXIBLE FREE-STANDING ULTRATHIN OR THIN PROTEIN MEMBRANE

#52
20130264268
2013-10-10

SEPARATOR

#53
20120055877
2012-03-08

Organic polymers-separation membrane filter, and organic polymers-separation method

#54
20110284456
2011-11-24

Self-assembled surfactant structures

#55
20100219120
2010-09-02

Flexible free-standing ultrathin or thin protein membrane, its fabrication method and application

#56
20100140163
2010-06-10

Flexible free-standing ultrathin or thin protein membrane, its fabrication method and application

#57
20090120874
2009-05-14

Membrane for filtering of water

#58
20090007555
2009-01-08

Biomimetic water membrane comprising aquaporins used in the production of salinity power

#59
20070181490
2007-08-09

Immobilized multi-layer artificial membrane for permeability measurements (PAMPA)

#60
20070026217
2007-02-01

Selectively permeable film supported membrane