ClassID:

29978

B01D69/122 - CPC Classification

Classification description:

Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor; Composite membranes; Ultra-thin membranes Separate manufacturing of ultra-thin membranes

Recent Application in this class:
#1
20250262597
2025-08-21

PATTERNED NANOFIBER ARRAYS ASSEMBLED THROUGH PATTERNED FILTRATION

#2
20250033002
2025-01-30

Porous Polybenzimidazole Membrane Supports for Composite Membranes

#3
20230381718
2023-11-30

BARRIERS INCLUDING MOLECULES COVALENTLY BONDED TO AMPHIPHILIC MOLECULES, AND METHODS OF MAKING THE SAME

#4
20230150841
2023-05-18

Self-Assembled Surfactant Structures

#5
20230024915
2023-01-26

Porous polybenzimidazole membrane supports for composite membranes

#6
20220250009
2022-08-11

Patterned nanofiber arrays assembled through patterned filtration

#7
20220226783
2022-07-21

ADDITIVE MANUFACTURING OF SELF-ASSEMBLED POLYMER FILMS

#8
20220219124
2022-07-14

Ultrathin membrane fabrication

#9
20220032238
2022-02-03

Thin metal/ceramic hybrid membrane sheet and filter

#10
20220008871
2022-01-13

COMPOSITE FILMS AND METHODS OF MAKING AND USE THEREOF

#11
20210394124
2021-12-23

SOLVENT ACTIVATION PROCESS FOR ENHANCING THE SEPARATION PERFORMANCE OF THIN FILM COMPOSITE MEMBRANES

#12
20210354092
2021-11-18

Method of forming a laminated single layer composite membrane

#13
20210213392
2021-07-15

High-performance thin-film composite polyamide membrane upcylcled from biopolymer-fouled substrates and preparation method thereof

#14
20210178338
2021-06-17

ULTRATHIN-FILM COMPOSITE MEMBRANE BASED ON THERMALLY REARRANGED POLY(BENZOXAZOLE-IMIDE) COPOLYMER, AND PRODUCTION METHOD THEREFOR

#15
20200406202
2020-12-31

Ceramic support, zeolite membrane complex, method of producing zeolite membrane complex, and separation method

#16
20200360923
2020-11-19

SEMIPERMEABLE ULTRATHIN POLYMER MEMBRANES

#17
20200360870
2020-11-19

Method for synthesis of flexible multifunctional high-voidage ultrathin PE membranes

#18
20200353417
2020-11-12

Thin wall polyether block amide membrane tubing and module

#19
20200071198
2020-03-05

Self-assembled surfactant structures

#20
20200070102
2020-03-05

Thin metal/ceramic hybrid membrane sheet and filter

#21
20200061547
2020-02-27

Isomer separation with highly fluorinated polymer membranes

#22
20200023320
2020-01-23

SEPARATION COMPOSITE MEMBRANE, SEPARATION MEMBRANE MODULE, SEPARATOR, COMPOSITION FOR FORMING SEPARATION MEMBRANE, AND METHOD OF PRODUCING SEPARATION COMPOSITE MEMBRANE

#23
20200009513
2020-01-09

Water treatment membrane and method for manufacturing same

#24
20190176094
2019-06-13

Method for directly growing ultrathin porous graphene separation membrane

#25
20190060841
2019-02-28

High selectivity facilitated transport membrane comprising polyethersulfone/polyethylene oxide-polysilsesquioxane blend membrane for olefin/paraffin separations

#26
20180236410
2018-08-23

Method for manufacturing of a carbon nanomembrane

#27
20180179352
2018-06-28

Ultra-thin polymer film and porous ultra-thin polymer film

#28
20170320057
2017-11-09

Method of fabricating semipermeable ultrathin polymer membranes

#29
20170252705
2017-09-07

Methods of enhancing water flux of a TFC membrane using oxidizing and reducing agents

#30
20170239626
2017-08-24

Permeation side flow path material for spiral membrane element and method for manufacturing same

#31
20170239625
2017-08-24

Method of producing flat sheet membrane element and flat sheet membrane element

#32
20170232403
2017-08-17

FILTRATION MODULE AND FILTRATION APPARATUS

#33
20170043300
2017-02-16

NANOPOROUS MEMBRANES AND METHODS FOR MAKING THE SAME

#34
20160317976
2016-11-03

POROUS MEMBRANES WITH MULTIPLE ZONES HAVING DIFFERENT PORE SIZES

#35
20160051939
2016-02-25

NANOCOMPOSITE ULTRA-THIN SEPARATION MEMBRANE AND METHOD FOR MANUFACTURING THE SAME

#36
20160009049
2016-01-14

NANOPOROUS MEMBRANES AND METHODS FOR MAKING THE SAME

#37
20160001235
2016-01-07

Filtration membranes

#38
20150285781
2015-10-08

Droplet interfaces

#39
20150217239
2015-08-06

Methods for manufacturing ion exchange membranes

#40
20140272286
2014-09-18

Nanoporous membranes and methods for making the same

#41
20140202953
2014-07-24

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

#42
20140151288
2014-06-05

Graphene membrane laminated to porous woven or nonwoven support

#43
20130146521
2013-06-13

Self-assembled surfactant structures

#44
20130098833
2013-04-25

Method of preparing a nanocomposite membrane and nanocomposite membranes prepared thereof

#45
20120308807
2012-12-06

Porous Materials

#46
20110297612
2011-12-08

POROUS MEMBRANES WITH MULTIPLE ZONES HAVING DIFFERENT PORE SIZES

#47
20110284456
2011-11-24

Self-assembled surfactant structures

#48
20110107911
2011-05-12

Membrane And Process For Steam Separation, Purification And Recovery

#49
20100317117
2010-12-16

SELECTIVE MEMBRANE EXTRACTION OF RADIOACTIVE ANALYTES

#50
20100219120
2010-09-02

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

#51
20100178468
2010-07-15

Ultra-thin microporous/hybrid materials

#52
20100157286
2010-06-24

Nanothin polymer films with selective pores and method of use thereof

#53
20100140163
2010-06-10

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

#54
20100062186
2010-03-11

Ultra-thin polymeric membrane

#55
20090269491
2009-10-29

Carbon-polymer electrochemical systems and methods of fabricating them using layer-by-layer technology

#56
20090246546
2009-10-01

Method for producing a plastic membrane device and the thus obtained device

#57
20090156426
2009-06-18

FUNCTIONALIZED POROUS SUPPORTS FOR MICROARRAYS

#58
20090139401
2009-06-04

Single-crystalline organic carboxylic acid metal complex, process for producing the same, and use thereof

#59
20080286549
2008-11-20

Nanothin polymer films with selective pores and method of use thereof

#60
20080000843
2008-01-03

Composite semipermeable membrane, production process thereof, and element, fluid separation equipment and treatment method for boron-containing water using the same

#61
20070231498
2007-10-04

Method and apparatus for two dimensional assembly of particles

#62
20070111070
2007-05-17

Fuel cells and methods of preparation

#63
20070110990
2007-05-17

Capacitors and methods of preparation

#64
20070108120
2007-05-17

Filtration media and methods of preparation

#65
20070026217
2007-02-01

Selectively permeable film supported membrane

#66
20070023957
2007-02-01

Assembly of free-standing films using a layer-by-layer process

#67
20070001323
2007-01-04

Multi-layered membrane for air diffuser

#68
20060214325
2006-09-28

Continuous coating process for composite membranes

#69
20060144778
2006-07-06

Low stress, ultra-thin, uniform membrane, methods of fabricating same and incorporation into detection devices

#70
20060062982
2006-03-23

Carbon-polymer electrochemical systems and methods of fabricating them using layer-by-layer technology

#71
20050214163
2005-09-29

Bilayer lipid membrane forming device and bilayer lipid membrane forming method

#72
20050175507
2005-08-11

Compliant, nanoscale free-standing multilayer films

#73
20050129867
2005-06-16

Method and apparatus for two dimensional assembly of particles

#74
20050087491
2005-04-28

Hybrid membrane, method for producing the same and use of said membrane

#75
20050082219
2005-04-21

Unsupported fluorocarbon copolymer membrane and a method for making the same

#76
20050014371
2005-01-20

Crystalline membranes