ClassID:

29921

B01D67/0004 - CPC Classification

Classification description:

Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus; Organic membrane manufacture by agglomeration of particles

Recent Application in this class:
#1
20240375055
2024-11-14

FEATURES ON A POROUS MEMBRANE

#2
20240091713
2024-03-21

Rotary Filter Apparatus For Roll-To-Roll Nanomaterial Dispersion Papermaking

#3
20230150841
2023-05-18

Self-Assembled Surfactant Structures

#4
20230138216
2023-05-04

Filter membrane and method for making the same

#5
20230123639
2023-04-20

ULTRAPOROUS NANOFIBER MATS AND USES THEREOF

#6
20220387941
2022-12-08

Process for making membranes

#7
20220378713
2022-12-01

SOY PROTEINS FOR PREPARATION OF GELS, FIBERS AND FILMS

#8
20220152561
2022-05-19

PREPARATION AND USE OF CELLULOSE NANOFIBER MEMBRANE

#9
20220040037
2022-02-10

PRESERVATIVE REMOVAL FROM EYE DROPS

#10
20210316240
2021-10-14

LASER-SINTERED FILTER, METHOD FOR PRODUCING THE FILTER, AND METHOD FOR ENSURING FLUID FLOW

#11
20210260536
2021-08-26

Micro or nano porous membrane, manufacturing method of same, porous resin membrane complex, and filter element

#12
20210196569
2021-07-01

Preservative removal from eye drops

#13
20210162351
2021-06-03

CONTINUOUS LATERAL PORE GRADING FOR SCALABLE EFFICIENCY OF MEMBRANES IN ELECTROCHEMICAL APPLICATIONS

#14
20200398230
2020-12-24

Functional fibrous membrane, method for manufacturing the same, filter comprising the same

#15
20200316504
2020-10-08

Nanostructured fibrous membranes for membrane distillation

#16
20200306701
2020-10-01

Periodic mesoporous organosilica-doped nanocomposite membranes and systems including same

#17
20200254399
2020-08-13

Process for making membranes

#18
20200086277
2020-03-19

METHOD FOR PREPARING MICROSTRUCTURE ARRAYS ON THE SURFACE OF THIN FILM MATERIAL

#19
20200071198
2020-03-05

Self-assembled surfactant structures

#20
20190247796
2019-08-15

Rotary Filter Apparatus For Roll-To-Roll Nanomaterial Dispersion Papermaking

#21
20190247530
2019-08-15

Air treatment article

#22
20190168172
2019-06-06

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

#23
20190119110
2019-04-25

Graphene-ceramic composite membrane for hydrogen separation membranes

#24
20190022634
2019-01-24

Ion exchange membrane and method for manufacturing same

#25
20190015533
2019-01-17

Removal of microorganisms from fluid samples using nanofiber filtration media

#26
20180333679
2018-11-22

Features on a porous membrane

#27
20180272284
2018-09-27

Nano wire microporous structure

#28
20180236403
2018-08-23

Nanofiber for filter medium, filter medium comprising same, method for producing same, and filter unit comprising same

#29
20180193802
2018-07-12

Method of magnetically aligning and crystallizing membrane proteins

#30
20180186664
2018-07-05

Method of synthesizing cellulose nano-crystals from date palm seeds

#31
20180141009
2018-05-24

Process and device for manufacturing a laminated material comprising a fibrillated cellulose layer

#32
20180133656
2018-05-17

Zwitterionic fiber membranes

#33
20180126316
2018-05-10

Gas filter

#34
20180099250
2018-04-12

Porous separation article and separation method

#35
20180085710
2018-03-29

Method of purifying a biological material of interest in a sample using nanofiber ultrafiltration membranes operated in tangential flow filtration mode

#36
20180065092
2018-03-08

Preparation and use of cellulose nanofiber membrane

#37
20170365864
2017-12-21

Porous support having excellent filling characteristics of ion conductor, method for manufacturing the same, and reinforced membrane including the same

#38
20170360971
2017-12-21

Removal of microorganisms from fluid samples using nanofiber filtration media

#39
20170360970
2017-12-21

Removal of microorganisms from fluid samples using nanofiber filtration media

#40
20170360969
2017-12-21

Removal of microorganisms from fluid samples using nanofiber filtration media

#41
20170340793
2017-11-30

METHOD FOR PRODUCING DIALYZER COMPRISING A BUNDLE OF HOLLOW FIBERS AND METHOD FOR PRODUCING HOLLOW FIBER

#42
20170333835
2017-11-23

Gas separation membrane, gas separation module, gas separation apparatus, gas separation method, and method for producing asymmetric gas separation membrane

#43
20170326486
2017-11-16

Nanostructured fibrous membranes for membrane distillation

#44
20170173511
2017-06-22

Method for retrovirus removal

#45
20170157571
2017-06-08

Electrospun cactus mucilage nanofibers

#46
20170113193
2017-04-27

Process for making membranes

#47
20170022330
2017-01-26

Method for producing a superhydrophobic membrane or surface coating of a substrate

#48
20160375385
2016-12-29

METHOD FOR PREPARING A POROUS FLUOROPOLYMER AND PREPARING AN ARTICLE OF SAME

#49
20160199789
2016-07-14

Blood purification membrane, method for manufacturing blood purification membrane, and dialysis device

#50
20160184778
2016-06-30

Functionalization of nanofibrous microfiltration membranes for water purification

#51
20160177511
2016-06-23

Systems and methods for continuous manufacture of buckypaper materials

#52
20160059189
2016-03-03

Ion removal from water by ultra-thin graphene-based membranes

#53
20150359953
2015-12-17

DIALYZER COMPRISING A BUNDLE OF HOLLOW FIBERS AND METHOD FOR PRODUCING SUCH HOLLOW FIBER

#54
20150328631
2015-11-19

Electrospinning solution, polyvinyl alcohol nanofibers and ion-exchange membrane

#55
20150298030
2015-10-22

Method for preparing a porous fluoropolymer and preparing an article of same, a rigid porous fluoropolymer flow sleeve and a method of controlling flow

#56
20150258504
2015-09-17

POROUS COMPOSITE MEMBRANE MATERIALS AND APPLICATIONS THEREOF

#57
20150217219
2015-08-06

Processes for forming composite structures with a two-dimensional material using a porous, non-sacrificial supporting layer

#58
20150089911
2015-04-02

Air-permeable film imparted with oil repellency

#59
20150069675
2015-03-12

Manufacturing methods for a porous fluororesin composite

#60
20150068973
2015-03-12

Method for preparing a membrane from fibril cellulose and fibril, cellulose membrane

#61
20140326658
2014-11-06

Triple layer hydrophobic-hydrophilic membrane for membrane distillation applications

#62
20140116945
2014-05-01

NANOFIBER CONTAINING COMPOSITE STRUCTURES

#63
20130323383
2013-12-05

Composite material

#64
20130270179
2013-10-17

Polyimide membranes

#65
20130146521
2013-06-13

Self-assembled surfactant structures

#66
20130068692
2013-03-21

Electrospun cactus mucilage nanofibers

#67
20120298319
2012-11-29

Method for producing cellulose-fiber flat structure

#68
20120118813
2012-05-17

Filtration membrane having improved resistance to abrasions

#69
20120091072
2012-04-19

Removal of microorganisms from fluid samples using nanofiber filtration media

#70
20120064273
2012-03-15

Porous article

#71
20120061332
2012-03-15

Method for retrovirus removal

#72
20120043275
2012-02-23

Nanofabricated membrane using polymerized proteoliposomes

#73
20110240552
2011-10-06

CRYSTALLINE POLYMER MICROPOROUS MEMBRANE, METHOD FOR PRODUCING THE SAME, AND FILTRATION FILTER USING THE SAME

#74
20110240551
2011-10-06

CRYSTALLINE POLYMER MICROPOROUS MEMBRANE, METHOD FOR PRODUCING THE SAME, AND FILTRATION FILTER USING THE SAME

#75
20110189472
2011-08-04

Uniaxially and Biaxially-Oriented Polytetrafluoroethylene Structures

#76
20110049044
2011-03-03

Crystalline polymer microporous membrane, method for producing same, and filter for filtration

#77
20100313758
2010-12-16

GAS ABSORPTION MEMBRANES AND THE MANUFACTURE THEREOF

#78
20100203310
2010-08-12

FLUORORESIN THIN FILM, FLUORORESIN COMPOSITE, POROUS FLUORORESIN COMPOSITE, MANUFACTURING METHODS THEREOF, AND SEPERATION MEMBRANE ELEMENT

#79
20100104845
2010-04-29

Composite PTFE materials and applications thereof

#80
20090230585
2009-09-17

Methods of making a mixture for a PTFE membrane with metal oxides, and compositions related thereto

#81
20090184037
2009-07-23

MEMBRANE STRUCTURE FOR GAS SEPARATION

#82
20090175757
2009-07-09

Titanium dioxide, single-walled carbon nanotube composites

#83
20090159526
2009-06-25

CRYSTALLINE POLYMER MICROPOROUS MEMBRANE, METHOD FOR PRODUCING SAME, AND FILTER FOR FILTRATION

#84
20090031897
2009-02-05

Cross-linkable and cross-linked mixed matrix membranes and methods of making the same

#85
20080268059
2008-10-30

Immobilizing particles onto surfaces

#86
20080017569
2008-01-24

Porous composite membrane materials and applications thereof

#87
20070123695
2007-05-31

Molecule nanoweaver

#88
20060292324
2006-12-28

Uniaxially and biaxially-oriented polytetrafluoroethylene structures

#89
20060269735
2006-11-30

Composite membrane and method for forming the same

#90
20060118483
2006-06-08

Method for preparing a separation medium

#91
20060068668
2006-03-30

Microfiber supported nanofiber membrane

#92
20050212160
2005-09-29

Method of processing colloidal size polytetrafluoroethylene resin particles to produce biaxially-oriented structures

#93
20050000888
2005-01-06

Method for preparing a separation medium