ClassID:

29956

B01D67/0086 - CPC Classification

Classification description:

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

Recent Application in this class:
#1
20260054230
2026-02-26

CARBON MOLECULAR SIEVE MEMBRANES AND METHODS FOR USING THE SAME

#2
20240351876
2024-10-24

THERMALLY STABLE POROUS MEMBRANE AND ITS MANUFACTURING METHOD

#3
20240344006
2024-10-17

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

#4
20240278186
2024-08-22

PREPARATION METHOD, PRODUCT AND APPLICATION OF HYDROPHOBICALLY MODIFIED MEMBRANE BASED ON MULTI-EFFECT THERMAL ENERGY CONVERSION

#5
20240246039
2024-07-25

LAYERED MICROPOROUS MEMBRANE PRODUCTS AND RELATED METHODS

#6
20240156682
2024-05-16

Reinforced Gas Permeable Blood Storage Bags, and Methods of Preparation Thereof

#7
20240091713
2024-03-21

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

#8
20240050900
2024-02-15

COMPACT SPIRAL-WOUND FILTER ELEMENTS, MODULES AND SYSTEMS

#9
20230330599
2023-10-19

NANOFILTRATION MEMBRANE AND MANUFACTURING METHOD

#10
20230271141
2023-08-31

ULTRAFAST WATER FLUX THROUGH HOT-PRESSED SOLUTION BLOWN SPUN NANOFIBER-BASED THIN FILM COMPOSITE MEMBRANES FOR FORWARD OSMOSIS

#11
20230166217
2023-06-01

PLEATED COMPOSITE PERVAPORATION LAMINATE AND METHOD OF MAKING SAME

#12
20230025394
2023-01-26

Method for manufacturing hollow fiber membrane module, and hollow fiber membrane module

#13
20220212146
2022-07-07

Compact spiral-wound filter elements, modules and systems

#14
20210113970
2021-04-22

Microporous membranes, underlayment, roofing, flashing, wrap, and methods for making and using the same

#15
20210102160
2021-04-08

VOLATILE ORGANIC COMPOUND TRANSPORT

#16
20210043903
2021-02-11

MICROPOROUS MEMBRANES, BATTERY SEPARATORS, AND METHODS FOR MAKING AND USING THE SAME

#17
20200353417
2020-11-12

Thin wall polyether block amide membrane tubing and module

#18
20190282963
2019-09-19

Compact spiral-wound filter elements, modules and systems

#19
20190247796
2019-08-15

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

#20
20190169416
2019-06-06

Fabricating ionic/polyimtde membranes

#21
20190046932
2019-02-14

Hollow fibre membrane having three dimensional texturing

#22
20180345228
2018-12-06

FORWARD OSMOSIS MEMBRANES

#23
20180273890
2018-09-27

Volatile organic compound transport

#24
20180111837
2018-04-26

Direct synthesis of high-aspect ratio zeolite nanosheets

#25
20180079114
2018-03-22

Film-stretching apparatus and method of producing film

#26
20180079113
2018-03-22

Film-stretching apparatus and method of producing film

#27
20170203255
2017-07-20

Membrane with increased surface area

#28
20170165611
2017-06-15

Membrane with performance enhancing multi-level macroscopic cavities

#29
20170144111
2017-05-25

Asymmetric articles with a porous substrate and a polymeric coating extending into the substrate and methods of making the same

#30
20170113192
2017-04-27

FORWARD OSMOSIS MEMBRANES

#31
20170056833
2017-03-02

Compression bar apparatus

#32
20170036172
2017-02-09

Enhanced graphene oxide membranes and methods for making same

#33
20170028361
2017-02-02

PTFE/PFSA BLENDED MEMBRANE

#34
20160317976
2016-11-03

POROUS MEMBRANES WITH MULTIPLE ZONES HAVING DIFFERENT PORE SIZES

#35
20160271568
2016-09-22

Surface-modified fluoropolymer membrane

#36
20160236156
2016-08-18

Spiral wound membrane module with reinforced fold line

#37
20160158709
2016-06-09

COMPOSITE INCLUDING PTFE MEMBRANE

#38
20160082376
2016-03-24

Filter material comprising an expanded polytetrafluoroethylene containing layer and a natural fiber containing layer

#39
20160074814
2016-03-17

Composite separation membrane including graphene oxide coating layer and method for manufacturing the same

#40
20160023164
2016-01-28

Gas separation membrane module with improved gas seal

#41
20150375173
2015-12-31

Compact spiral-wound filter elements, modules and systems

#42
20150196872
2015-07-16

Preparation of asymmetric porous materials

#43
20150165389
2015-06-18

Forward Osmosis, Reverse Osmosis, and Nano/Micro Filtration Membrane Structures

#44
20150148436
2015-05-28

Method to fabricate functionalized conical nanopores

#45
20150027945
2015-01-29

Membrane filter including bile acid and a method of manufacturing the same

#46
20150007721
2015-01-08

Hydrophobic or oleophobic microporous polymer membrane with structurally induced beading effect

#47
20140353244
2014-12-04

METHOD FOR THE PRODUCTION OF A HYDROPHILIC POLYMER MEMBRANE AND POLYMER MEMBRANE

#48
20140054215
2014-02-27

Forward osmosis membranes

#49
20130319942
2013-12-05

FLUORINE TREATMENT OF DIFFUSER MEMBRANES USED IN WASTEWATER AERATION

#50
20130228529
2013-09-05

MICROPOROUS MATERIAL HAVING FILTRATION AND ADSORPTION PROPERTIES AND THEIR USE IN FLUID PURIFICATION PROCESSES

#51
20130075325
2013-03-28

Surface-modified fluoropolymer membrane

#52
20120301697
2012-11-29

PREPARATION OF ASYMMETRIC POROUS MATERIALS

#53
20120247338
2012-10-04

Venting device for a housing and method for producing same

#54
20120234758
2012-09-20

Forward osmosis membranes

#55
20120201988
2012-08-09

Thin wall expandable polymer tubes having improved axial and radial strength, and a method of manufacturing thereof

#56
20120193284
2012-08-02

Method for preparing a filtration membrane and filtration membrane prepared by said method

#57
20120167768
2012-07-05

GAS SEPARATION MEMBRANE SYSTEM AND A METHOD OF PREPARING OR RECONDITIONING AND THE USE THEREOF

#58
20120115066
2012-05-10

Method for stabilizing polyelectrolyte membrane films used in fuel cells

#59
20120000845
2012-01-05

Nanoporous films and method for manufacturing the same

#60
20110297612
2011-12-08

POROUS MEMBRANES WITH MULTIPLE ZONES HAVING DIFFERENT PORE SIZES

#61
20110254186
2011-10-20

PTFE membrane

#62
20110073540
2011-03-31

Forward osmosis membranes

#63
20110014459
2011-01-20

Expandable polymer membrane and tubes, and a method of manufacturing thereof

#64
20100330691
2010-12-30

Apparatus for producing surface enhanced membrane

#65
20100313753
2010-12-16

Polyethylene membrane and method of its production

#66
20100171950
2010-07-08

Methods for uniform metal impregnation into a nanoporous material

#67
20100112199
2010-05-06

Method of transferring nanoparticles using a microporous article having metallic nanoparticle coating

#68
20100108494
2010-05-06

Microporous article having metallic nanoparticle coating

#69
20100051535
2010-03-04

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

#70
20090261034
2009-10-22

Vinylidene Fluoride Resin Hollow Fiber Porous Membrane and Method for Production Thereof

#71
20090252871
2009-10-08

Method for producing a membrane comprising micropassages made from porous material by chemical mechanical polishing

#72
20090120293
2009-05-14

Method of making a leak stable gas separation membrane system

#73
20090120287
2009-05-14

Gas separation membrane system and a method of preparing or reconditioning and the use thereof

#74
20070116882
2007-05-24

Methods for uniform metal impregnation into a nanoporous material

#75
20070116605
2007-05-24

Methods for uniform metal impregnation into a nanoporous material

#76
20070039471
2007-02-22

Filter element and method for the production thereof

#77
20060251874
2006-11-09

Microporous article having metallic nanoparticle coating

#78
20060213836
2006-09-28

Ultrafiltration membrane, device, bioartificial organ, and methods

#79
20060169138
2006-08-03

Fuel deoxygenation system with textured oxygen permeable membrane

#80
20060157893
2006-07-20

PTFE membrane

#81
20060141238
2006-06-29

Porous membrane of poly(metaphenylene isophthalamide) and process for producing the same

#82
20060093875
2006-05-04

Method for stabilizing polyelectrolyte membrane films used in fuel cells

#83
20060032813
2006-02-16

Fluoropolymer membrane

#84
20050218067
2005-10-06

Ablated predetermined surface geometric shaped boundary formed on porous material mounted on a substrate and methods of making same

#85
20050212160
2005-09-29

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