ClassID:

29374

B01D39/16 - CPC Classification

Classification description:

Filtering material for liquid or gaseous fluids; Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres

Sub-classes:
Recent Application in this class:
#1
20260125622
2026-05-07

SEMICONDUCTOR DEVICE CLEANING SOLUTION AND METHOD FOR PREPARING SAME

#2
20260007910
2026-01-08

ENHANCED FACE MASKS FOR IMPROVED EFFICACY AND USABILITY

#3
20260001017
2026-01-01

RESIN COMPOSITION FOR ANTIBACTERIAL FILTER, METHOD FOR PREPARING SAME, AND ANTIBACTERIAL FILTER USING SAME

#4
20250389677
2025-12-25

DEVICE AND METHOD FOR DETECTING FOREIGN SUBSTANCES IN ELECTRODE ACTIVE MATERIAL

#5
20250375724
2025-12-11

FILTER SYSTEM USABLE AS CELL CULTURE CLARIFICATION FILTER IN PROTEIN PURIFICATION

#6
20250355357
2025-11-20

SILICON-CONTAINING RESIST UNDERLAYER FILM-FORMING COMPOSITION

#7
20250347595
2025-11-13

METHOD, APPARATUS AND SYSTEM FOR THE FOR COLLECTION AND QUANTIFICATION OF MYCOTOXINS WITHIN THE BUILT ENVIRONMENT

#8
20250325924
2025-10-23

INTEGRATION OF POROUS AND PERMEABLE FEED SPACERS ONTO MEMBRANE SURFACES

#9
20250282697
2025-09-11

METHOD FOR PRODUCING HYDROCARBON AND METHOD FOR PRODUCING SILICON CARBIDE

#10
20250177954
2025-06-05

ENHANCED CAPTURE STRUCTURES FOR DIRECT AIR CAPTURE

#11
20250170508
2025-05-29

LIQUID FILTRATION MEDIA CONTAINING MELT-BLOWN FIBERS

#12
20240408521
2024-12-12

ARTICLE FOR FILTERING USING POROUS POLYMERIC MATRIX

#13
20240382873
2024-11-21

GAS REMOVAL SYSTEM AND METHODS

#14
20240382872
2024-11-21

GAS REMOVAL SYSTEM AND METHODS

#15
20240307803
2024-09-19

VIRUS FILTRATION OPERATIONS EMPLOYING AN OVERSIZED VIRUS PREFILTER

#16
20240285010
2024-08-29

COATING AND FABRIC USING ANTIMICROBIAL POROUS MEMBRANE

#17
20240255867
2024-08-01

Developing device and image forming apparatus provided therewith

#18
20240251723
2024-08-01

IRRIGATION WATER RECIRCULATION SYSTEM

#19
20240182682
2024-06-06

ANTIMICROBIAL AIR FILTER

#20
20240173658
2024-05-30

HYDROCARBON FLUID-WATER SEPARATION

#21
20240165543
2024-05-23

3D PRINTED FILTER CENTER TUBE

#22
20240101457
2024-03-28

GREYWATER TREATMENT SYSTEMS

#23
20240091688
2024-03-21

AIR FILTER MEDIUM, PLEATED FILTER MEDIUM, AIR FILTER UNIT, MASK FILTER MEDIUM, AND METHOD FOR REGENERATING AIR FILTER MEDIUM

#24
20240066448
2024-02-29

Activated hemp filters and method of making activated hemp filters

#25
20240001015
2024-01-04

DIALYSATE FILTER

#26
20230413460
2023-12-21

Biological device

#27
20230390686
2023-12-07

FILTER PLEAT PACK AND AIR FILTER UNIT

#28
20230330627
2023-10-19

Systems and Methods for Purifying Solvents

#29
20230311066
2023-10-05

FILTRATION SYSTEM

#30
20230292826
2023-09-21

Personal Smoke Filter Device comprising a Pre-Filter

#31
20230249110
2023-08-10

BIODEGRADABLE CARTRIDGE OF A WATER FILTER

#32
20230218007
2023-07-13

NON-COMBUSTIBLE AEROSOL DELIVERY SYSTEM

#33
20230191291
2023-06-22

Textured Substrate Filter For Removal Of Particulates From Fluid

#34
20230181946
2023-06-15

ANTIVIRAL ARTICLES AND MASKS

#35
20230173423
2023-06-08

USE OF PHOTOTHERMAL AGENTS IN AIR FILTERS

#36
20230149750
2023-05-18

Face Masks and Methods of Producing Same

#37
20230140733
2023-05-04

WATER- AND OIL-REPELLENT AGENT COMPOSITION, METHOD FOR PRODUCING SAME, AND ARTICLE

#38
20230127531
2023-04-27

FILTER

#39
20230094868
2023-03-30

Bacterial cellulose-based air filter mesh and use thereof

#40
20230080256
2023-03-16

Portable Brewing and Heat Preservation Device

#41
20230069205
2023-03-02

VACUUM CLEANER AND MOLD DEVICE

#42
20230067250
2023-03-02

Substituted thiol melt additives

#43
20230064304
2023-03-02

FILTER MODULE FOR THE SEPARATION OF OVERSPRAY

#44
20230056206
2023-02-23

MESH FILTER AND FLUID HANDLING DEVICE

#45
20230052030
2023-02-16

WATER FILTER

#46
20230045147
2023-02-09

Polytetrafluoroethylene Composite Filter Material

#47
20230018094
2023-01-19

Laundry washing machine

#48
20220364077
2022-11-17

METHODS AND SYSTEMS FOR NUCLEIC ACID EXTRACTION

#49
20220339603
2022-10-27

Enhanced capture structures for direct air capture

#50
20220325337
2022-10-13

METHODS FOR ASYMMETRIC SEMI-NESTED ISOTHERMAL NUCLEOTIDE AMPLIFICATION

#51
20220268466
2022-08-25

Collapsible Smoke Containment Apparatus

#52
20220249885
2022-08-11

Pathogen capture using active surface modification

#53
20220243354
2022-08-04

METHOD FOR CLEANING ELECTROPHORETIC COATING BATHS, AND DEVICE THEREFOR

#54
20220243010
2022-08-04

COMPOSITIONS AND ARTICLES INCLUDING PERFLUOROPOLYETHER BOTTLEBRUSH POLYMERS AND METHODS OF MAKING AND USING SAME

#55
20220176294
2022-06-09

Smart filter elements and systems

#56
20220152536
2022-05-19

Hydrocarbon fluid-water separation

#57
20220133803
2022-05-05

Method and system for isolation of mesenchymal stem cell exosomes

#58
20220118380
2022-04-21

SUPER-HYDROPHILIC SURFACE TREATMENT METHOD OF FILTRATION MEDIUM, SUPER-HYDROPHILIC FILTER FOR OIL-WATER SEPARATION AND METHOD OF FABRICATING THE SAME

#59
20220118148
2022-04-21

LIGHT FIXTURE WITH UV DISINFECTION

#60
20220105452
2022-04-07

FILTER PLEAT PACK AND AIR FILTER UNIT

#61
20220096878
2022-03-31

AIR FILTER

#62
20220074922
2022-03-10

Polymer microfilters, devices comprising the same, methods of manufacturing the same, and uses thereof

#63
20220040670
2022-02-10

Beta-cyclodextrin-based monoliths through emulsion templating

#64
20220001317
2022-01-06

NANO SILVER ACTIVE FILTER ELEMENT AND A METHOD FOR PREPARING THE NANO SILVER ACTIVE FILTER

#65
20210388127
2021-12-16

Tetrafluoroethylene polymer, air filter medium, filter pack, and air filter unit

#66
20210387937
2021-12-16

Systems and methods for purifying solvents

#67
20210387119
2021-12-16

FILTRATION FILTER, FILTER-EQUIPPED CONTAINER, AND METHOD FOR REMOVING FOREIGN MATTER IN CELL SUSPENSION

#68
20210379518
2021-12-09

FILTER MEDIA AND METHODS OF MAKING AND USING

#69
20210362101
2021-11-25

FILTER MATERIAL

#70
20210339179
2021-11-04

Filter Device and All-Terrain Vehicle

#71
20210339175
2021-11-04

Activated hemp filters and method of making activated hemp filters

#72
20210322906
2021-10-21

Liquid filtration media containing melt-blown fibers

#73
20210322796
2021-10-21

Face mask

#74
20210316165
2021-10-14

FACE MASK

#75
20210315172
2021-10-14

Irrigation water recirculation system

#76
20210308351
2021-10-07

Method and Device for Enriching and Detecting Microorganisms in a Biological Sample

#77
20210300784
2021-09-30

Inlet filter and method of use

#78
20210268416
2021-09-02

3D printed staged filtration media packs

#79
20210260516
2021-08-26

AIR FILTER MEDIUM, FILTER PACK, AND AIR FILTER UNIT

#80
20210252445
2021-08-19

AIR FILTER UNIT AND AIR CONDITIONER

#81
20210252435
2021-08-19

Rag seeding in wastewater treatment systems

#82
20210230022
2021-07-29

Filter and metal ion removal device

#83
20210220761
2021-07-22

Filtration media produced using additive manufacturing

#84
20210206657
2021-07-08

WATER RECYCLING SYSTEM AND METHOD

#85
20210205739
2021-07-08

3D printed filter center tube

#86
20210162370
2021-06-03

Chromatography medium

#87
20210146286
2021-05-20

Planar filtering device with differently sized through holes

#88
20210138279
2021-05-13

Anti-virus filter for facemasks and respirators

#89
20210060526
2021-03-04

Methods for purifying solvents

#90
20210060456
2021-03-04

Filter media configurations

#91
20210047776
2021-02-18

Tumble dryer

#92
20210046410
2021-02-18

Multilayer filter material

#93
20210039028
2021-02-11

Filter reinforcing material and filter medium for deodorizing filter comprising same

#94
20210017782
2021-01-21

Systems and methods for swimming pool filtration

#95
20210001256
2021-01-07

Method for modifying surface of activated carbon and filter for water purifier

#96
20200406291
2020-12-31

Processes for coating reticulated foams

#97
20200368107
2020-11-26

PRESERVATIVE REMOVAL FROM EYE DROPS

#98
20200330911
2020-10-22

MELT-BLOWN NONWOVEN FABRIC, FILTER, AND METHOD OF PRODUCING MELT-BLOWN NONWOVEN FABRIC

#99
20200317109
2020-10-08

Fuel trailer

#100
20200197839
2020-06-25

Filter device

#101
20200179836
2020-06-11

3D printed filter center tube

#102
20200147540
2020-05-14

Filter media and filter element with adhesive reinforcing

#103
20200147533
2020-05-14

USE OF CARBOXYLIC ACID POLYMER AS VAPOR ALCOHOL REMOVING MATERIAL AND FILTER MESH STRUCTURE FOR REMOVING VAPOR ALCOHOL

#104
20200129890
2020-04-30

Support and drainage material, filter, and method of use

#105
20200129889
2020-04-30

Support and drainage material, filter, and method of use

#106
20200123332
2020-04-23

Carbon fiber composite, a medium incorporating the carbon fiber composite, and a related method

#107
20200080553
2020-03-12

Linear compressor

#108
20200079796
2020-03-12

METHODS OF MAKING NANOSTRUCTURED METAL-ORGANIC FRAMEWORKS

#109
20200052267
2020-02-13

Secondary battery

#110
20200038791
2020-02-06

FILTER MEDIUM AND BAG FILTER

#111
20200023300
2020-01-23

3D printed staged filtration media packs

#112
20200023294
2020-01-23

Filtration media produced using additive manufacturing

#113
20200017382
2020-01-16

CHLORINE NEUTRALIZER, THROW-IN TYPE CHLORINE NEUTRALIZER CONTAINING THE SAME, CHLORINE NEUTRALIZING APPARATUS, AND CHLORINE NEUTRALIZING METHOD

#114
20200002495
2020-01-02

Air filter medium, air filter pack, and air filter unit

#115
20190383794
2019-12-19

Polymer microfilters, devices comprising the same, methods of manufacturing the same, and uses thereof

#116
20190366249
2019-12-05

Filter medium, method for manufacturing same, and filter unit comprising same

#117
20190359752
2019-11-28

Polymer and device for capturing or separating leucocytes, manufacturing method and use thereof

#118
20190344204
2019-11-14

Filter medium for air filter, filter pack, air filter unit and method for producing the filter medium for air filter

#119
20190324014
2019-10-24

POLYMER MICROFILTRATION DEVICES, METHODS OF MANUFACTURING THE SAME AND THE USES OF THE MICROFILTRATION DEVICES

#120
20190314745
2019-10-17

Hydrocarbon fluid-water separation

#121
20190291057
2019-09-26

Filter assembly, method for manufacturing same, and filter module comprising same

#122
20190276628
2019-09-12

Porous polyether sulfone film and production method therefor

#123
20190274589
2019-09-12

Low dead space laminar flow water filter for side stream COmonitoring lines

#124
20190270038
2019-09-05

Water filtration apparatus with top-loading filter cartridge housing

#125
20190248690
2019-08-15

Sewage treatment device

#126
20190247277
2019-08-15

Preservative removal from eye drops

#127
20190240603
2019-08-08

Filtration Article With Fluoropolymer Knit

#128
20190232211
2019-08-01

Air filter medium, air filter pack, and air filter unit

#129
20190231986
2019-08-01

In-Line Filter For Protein/Peptide Drug Administration

#130
20190224609
2019-07-25

Air filter medium, air filter pack, and air filter unit

#131
20190217274
2019-07-18

Recovery of crude oil from a crude oil adsorbent and simultaneous regeneration of the adsorbent

#132
20190209765
2019-07-11

FILTER ELEMENT FOR BLOOD PROCESSING FILTER, BLOOD PROCESSING FILTER AND LEUKOCYTE REMOVAL METHOD

#133
20190201830
2019-07-04

Membrane method processing system and process for high-concentration salt-containing organic waste liquid incineration exhaust gas

#134
20190177455
2019-06-13

Polymer material

#135
20190160406
2019-05-30

Backwashable depth filter

#136
20190136187
2019-05-09

Blood Isolation and Extraction Method and Device Thereof

#137
20190124857
2019-05-02

Irrigation water recirculation system

#138
20190099981
2019-04-04

Laminated polyarylene sulfide heat-resistant filter

#139
20190091615
2019-03-28

Method And Apparatus For Preparation Of A Urea Solution

#140
20190076790
2019-03-14

Porous membrane, porous membrane module, method for producing porous membrane, method for producing clarified liquid, and method for producing beer

#141
20190076765
2019-03-14

PRE-FILTER FOR REMOVAL OF CESIUM AND METHOD OF MANUFACTURING SAME

#142
20190070540
2019-03-07

Filter medium for liquid filter and liquid filter

#143
20190070531
2019-03-07

Glue beaded media for pool and spa filter cartridges

#144
20190046361
2019-02-14

Hydrophilic polyurethane nanofiber and method for manufacturing same

#145
20190023596
2019-01-24

Negative Pressure Aeration And Organic Growth Suppression System

#146
20190021575
2019-01-24

Device for disinfecting and cleaning parts of persons, animals and objects

#147
20190001247
2019-01-03

Cartridge filter using nanofiber composite fiber yarn and method for manufacturing same

#148
20180354811
2018-12-13

Water recycling system and method

#149
20180354810
2018-12-13

Water quality detection and diversion device, system, and method

#150
20180305791
2018-10-25

Porous material

#151
20180274182
2018-09-27

Ground water filtration system

#152
20180272261
2018-09-27

FILTER MEDIUM

#153
20180243672
2018-08-30

Filter with adjacent, similarly-shaped, differently-sized, through holes and through-hole clusters

#154
20180236701
2018-08-23

Injection-molding method for mesh filter, injection-molding mold, and mesh filter

#155
20180236392
2018-08-23

Filter medium for air filter, filter pack, and air filter unit

#156
20180229158
2018-08-16

Tubular mesh filter

#157
20180207567
2018-07-26

Filter media construction

#158
20180147533
2018-05-31

Adsorptive liquid filter

#159
20180104637
2018-04-19

Filter medium and filter unit

#160
20180085692
2018-03-29

Filter

#161
20180057646
2018-03-01

Carbon fiber composite, a medium incorporating the carbon fiber composite, and a related method

#162
20180028953
2018-02-01

Pre-air-filter for internal combustion engine

#163
20180011499
2018-01-11

Vent cover for gas pressure regulator

#164
20170349999
2017-12-07

Filter device to remove particles from a vapour stream

#165
20170340997
2017-11-30

Oil catch apparatus

#166
20170298885
2017-10-19

Method for producing an improved filter for injectors of fuel, oils, solutions, additives and fluids in general, and filter thus produced

#167
20170260351
2017-09-14

Porous material and methods of making and of using the same

#168
20170240263
2017-08-24

BALLAST WATER TREATMENT DEVICE, AND METHOD FOR TREATING BALLAST WATER

#169
20170216504
2017-08-03

Biological fluid-treating filter and filter device

#170
20170209817
2017-07-27

INDUSTRIAL FILTERING DEVICE

#171
20170173511
2017-06-22

Method for retrovirus removal

#172
20170144096
2017-05-25

FIRE RESISTANT VACUUM FILTER

#173
20170131257
2017-05-11

SYSTEMS AND METHODS OF REMOVING AND MANAGING HEAVY METALS

#174
20170096637
2017-04-06

Zwitterionic-Bias Material for Blood Cell Selection and Application Thereof

#175
20170055757
2017-03-02

SINGLE USE BEVERAGE FILTER BASKET WITH NON-WOVEN FILTER MEDIUM

#176
20160367922
2016-12-22

Multilayer filter medium for filter, method for producing the same, and air filter

#177
20160298106
2016-10-13

Extraction of circulating nucleic acids

#178
20160288089
2016-10-06

Chromatography medium

#179
20160263506
2016-09-15

Cleaning system for paint particles

#180
20160258362
2016-09-08

Lightweight mist eliminator for aircraft fuel tank inerting systems

#181
20160184745
2016-06-30

Device for taking samples from municipal and/or industrial wastewater

#182
20160168562
2016-06-16

Device having a filter layer and method for extracting nucleic acids from formalin-fixed and paraffin-embedded samples

#183
20160122488
2016-05-05

Surface modification method and surface modification body

#184
20160096931
2016-04-07

COMPOSITE MATERIALS CONTAINING STRUCTURAL POLYSACCHARIDES AND MACROCYCLIC COMPOUNDS FORMED FROM IONIC LIQUID COMPOSITIONS

#185
20160022105
2016-01-28

Vacuum cleaner filter bag

#186
20150343354
2015-12-03

FILTRATION MEDIA AND METHODS OF MANUFACTURING THEREOF

#187
20150336038
2015-11-26

Filter material for a fluid and drainage layer for such a filter material including a filter element

#188
20150321925
2015-11-12

PROCESS FOR REMOVING HYDROCARBONS FROM A BODY OF WATER BY MEANS OF SELECTIVE PERMEATION, AND RELATIVE APPARATUS

#189
20150314226
2015-11-05

Filter media construction with nanofiber and carbon web

#190
20150250347
2015-09-10

Disposable single use beverage filter basket

#191
20150246319
2015-09-03

Water-proof air-permeable filter and use of the same

#192
20150174517
2015-06-25

Water-proof air-permeable filter and use of the same

#193
20150082984
2015-03-26

Oil repellency-imparted air-permeable filter with adhesive layer

#194
20150064311
2015-03-05

Disposable single use beverage package

#195
20150056102
2015-02-26

Deodorizing mask

#196
20150013295
2015-01-15

Blended nonwoven fabric, filter medium, and filter unit

#197
20140360145
2014-12-11

Filter medium for filter, method for producing the same, and filter

#198
20140326661
2014-11-06

LIQUID FILTRATION MEDIA CONTAINING MELT-BLOWN FIBERS

#199
20140322743
2014-10-30

Polymer microfiltration devices, methods of manufacturing the same and the uses of the microfiltration devices

#200
20140315295
2014-10-23

POLYMER MICROFILTERS, DEVICES COMPRISING THE SAME, METHODS OF MANUFACTURING THE SAME, AND USES THEREOF

#201
20140305306
2014-10-16

Mixed-fiber nonwoven fabric and filter medium using the same

#202
20140305090
2014-10-16

Mixed-fiber nonwoven fabric, laminated sheet and filter, and process for producing mixed-fiber nonwoven fabric

#203
20140223872
2014-08-14

Filter medium for air filter and filter unit

#204
20140217032
2014-08-07

Sintered porous plastic liquid barrier media and applications thereof

#205
20140166572
2014-06-19

Fiber webs coated with fiber-containing resins

#206
20140031485
2014-01-30

FILTRATION MEMBRANE WITH COVALENTLY GRAFTED FOULING-RESISTANT POLYMER

#207
20140021145
2014-01-23

Filtration article with fluoropolymer knit

#208
20140008290
2014-01-09

Filtration filter and production method therefor

#209
20140000229
2014-01-02

Composite microporous filter material

#210
20130327703
2013-12-12

Film formed of hemispherical particles, method for producing same, and use of same

#211
20130323383
2013-12-05

Composite material

#212
20130317178
2013-11-28

Active polymeric filters

#213
20130299415
2013-11-14

Reactors for forming foam materials from high internal phase emulsions, methods of forming foam materials and conductive nanostructures therein

#214
20130248438
2013-09-26

FILTER AND METHOD OF MANUFACTURE

#215
20130237114
2013-09-12

METHOD FOR STABILIZING POLYMER FOR LONG TERM, METHOD FOR PRODUCING NONWOVEN FABRIC, AND METHOD FOR PRODUCING ELASTOMER COMPOSITION

#216
20130199993
2013-08-08

FUNCTIONAL CHITOSAN SCAFFOLD WITH SURFACE CHARGE TUNABILITY AS FILTERING MEDIUM

#217
20130125757
2013-05-23

Filter media construction using PTFE film and carbon web for HEPA efficiency and odor control

#218
20130098835
2013-04-25

Microscopically structured polymer monoliths and fabrication methods

#219
20130096262
2013-04-18

Active polymeric filters

#220
20130092638
2013-04-18

Active polymeric filters

#221
20130087042
2013-04-11

Water-proof air-permeable filter and use of the same

#222
20130074691
2013-03-28

Water-proof air-permeable filter and use of the same

#223
20130059308
2013-03-07

Polymer microfilters and methods of manufacturing the same

#224
20120318139
2012-12-20

Sintered porous plastic liquid barrier media and applications thereof

#225
20120201938
2012-08-09

Systems and methods of removing and managing heavy metals

#226
20120152863
2012-06-21

LIQUID EXTRACTION FILTER AND METHOD FOR CLEANING IT

#227
20120061332
2012-03-15

Method for retrovirus removal

#228
20110303095
2011-12-15

Disposable single use beverage package

#229
20110031193
2011-02-10

LIQUID EXTRACTION FILTER AND METHOD FOR CLEANING IT

#230
20100307665
2010-12-09

Reactors for forming foam materials from high internal phase emulsions, methods of forming foam materials and conductive nanostructures therein

#231
20090133810
2009-05-28

Production method and filter comprising non woven fabric and/or filtering injector structures or sheets which are obtained using said method and which are intended for the filtration and elimination of legionella pneumophila in any installation at risk from legionella pneumophila proliferation

#232
20090075861
2009-03-19

Systems and methods of removing and managing heavy metals

#233
20080203021
2008-08-28

Separation

#234
20070202770
2007-08-30

Production Method and Filter Comprising Non Woven Fabric and/or Filtering Injector Structures or Sheets Which are Obtained Using Said Method and Which are Intended for the Filtration and Which are Intended for the Filtration and Elimination of Legionella Pneumofila in any Installation at Risk From Legionella Pneumofila Proliferation

#235
20070175816
2007-08-02

Filtering Unit Having A Calendered Layer For Removing Leukocytes

#236
20070068870
2007-03-29

Separation

#237
20070021021
2007-01-25

High performance filter media with internal nanofiber structure and manufacturing methodology

#238
20060277877
2006-12-14

High efficiency fuel filter

#239
20060276576
2006-12-07

Coating composition for chemical grafting

#240
20060263548
2006-11-23

Method of producing a sheet comprising through pores and the application thereof in the production of micronic and submicronic filters

#241
20060168926
2006-08-03

Filters and filter assemblies with bypass seal

#242
20060151382
2006-07-13

Contact devices with nanostructured materials

#243
20060144026
2006-07-06

Air cleanness filter

#244
20060102555
2006-05-18

Filter connector

#245
20060032494
2006-02-16

Microstructured filter

#246
20050230302
2005-10-20

Filtration and plug drain device for containing oil and chemical spills

#247
20050229560
2005-10-20

Filter module

#248
20050218057
2005-10-06

Filter plate assembly

#249
20050202231
2005-09-15

Filter material for micro-filter

#250
20050026526
2005-02-03

High performance filter media with internal nanofiber structure and manufacturing methodology

#251
20050011834
2005-01-20

Highly asymmetric, hydrophilic, microfiltration membranes having large pore diameters

#252
20050000901
2005-01-06

Filters and methods of making and using the same

#253
16169537
2020-05-05

Support and drainage material, filter, and method of use