Patents-Review.com
ClassID:

30188 ⎘

B01D2239/0414 - CPC Classification

Classification description:

Aspects relating to filtering material for liquid or gaseous fluids; Additives and treatments of the filtering material Surface modifiers, e.g. comprising ion exchange groups

Sub-classes:
Recent Application in this class:
#1
20250010229
2025-01-09

METHOD AND APPARATUS FOR METAL REMOVAL FROM DRINKING WATER

 #2
20250010228
2025-01-09

Air-Filter Media Including a Relofted Spunbonded Web, and Methods of Making and Using

 #3
20240382889
2024-11-21

AIR PURIFYING DEVICE FOR PURIFYING AIR AND METHOD FOR OPERATING AN AIR PURIFYING DEVICE

 #4
20240293766
2024-09-05

FUNCTIONALIZED FILTERS

 #5
20240198315
2024-06-20

FUNCTIONALIZED POROUS MATERIAL AND RELATED METHODS

 #6
20230381695
2023-11-30

SYSTEMS, METHODS, AND FILTER MEDIA FOR FILTERING MOLTEN ALUMINUM AND ALUMINUM ALLOYS

 #7
20230330585
2023-10-19

HIGH EFFICIENCY FILTER MEDIA

 #8
20230278008
2023-09-07

FILTER MEDIUM FOR AIR FILTERS AND METHOD FOR PRODUCING SAME

 #9
20220249994
2022-08-11

METHOD AND APPARATUS FOR METAL REMOVAL FROM DRINKING WATER

 #10
20220249993
2022-08-11

METHOD AND APPARATUS FOR METAL REMOVAL FROM DRINKING WATER

 #11
20220243010
2022-08-04

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

 #12
20220143537
2022-05-12

METHOD AND APPARATUS FOR ENHANCED SEPARATION AND REMOVAL OF CONTAMINANTS AND IRRADIATED PARTICULATES FROM FLUIDS

 #13
20220135620
2022-05-05

PURIFICATION PLATFORMS FOR OBTAINING PHARMACEUTICAL COMPOSITIONS HAVING A REDUCED HYDROLYTIC ENZYME ACTIVITY RATE

 #14
20220088516
2022-03-24

FUNCTIONALIZED FILTERS

 #15
20220015433
2022-01-20

AEROSOL GENERATING SYSTEM AND CARTRIDGE WITH LEAKAGE PROTECTION

 #16
20220001316
2022-01-06

PRE-COALESCING MULTI-LAYERED FILTER MEDIA

 #17
20210394104
2021-12-23

Air Filtration Systems and Methods of Forming an Air Filtration System

 #18
20210387143
2021-12-16

Apparatus and system for a molecular imprinted air filter

 #19
20210386142
2021-12-16

System for molecular imprinted protective face mask

 #20
20210386133
2021-12-16

Apparatus for a molecular imprinted protective face mask

 #21
20210308610
2021-10-07

Air-filter media including a relofted spunbonded web, and methods of making and using

 #22
20210230022
2021-07-29

Filter and metal ion removal device

 #23
20210220754
2021-07-22

Systems and methods for purifying solvents

 #24
20200391193
2020-12-17

Method for manufacturing photocatalytic filter having porous nanofiber heterostructure

 #25
20200362507
2020-11-19

Superficially treated flexible materials suitable for filtering and separating immiscible liquids

 #26
20200101425
2020-04-02

Nanoscale membrane for removing trace organic contaminants in a fluid and methods of making and using the same

 #27
20200023299
2020-01-23

REMOTE FLUORINATION OF FIBROUS FILTER WEBS

 #28
20190328953
2019-10-31

Filter medium for obtaining plasma, and associated filtration device and method

 #29
20190314747
2019-10-17

Pre-coalescing multi-layered filter media

 #30
20190193069
2019-06-27

Process for recovery of lithium from brine

 #31
20190193007
2019-06-27

Water filtration system

 #32
20180339251
2018-11-29

METHOD AND APPARATUS FOR METAL REMOVAL FROM DRINKING WATER

 #33
20180318742
2018-11-08

FILTRATION MATERIAL AND METHOD OF MANUFACTURE THEREOF

 #34
20180290087
2018-10-11

POLYETHERSULFONE FIBER WEBS

 #35
20180185678
2018-07-05

POLYMER NONWOVEN NANOWEB HAVING IONIC FUNCTIONAL GROUP AND RESPIRATOR MASK COMPRISING THE SAME

 #36
20180178144
2018-06-28

Material used for rapid separation of oil and water and preparation method and application thereof

 #37
20170157544
2017-06-08

Hybrid felts of electrospun nanofibers

 #38
20170080369
2017-03-23

Remote fluorination of fibrous filter webs

 #39
20170072350
2017-03-16

Method for adapting a filter medium to predefinable parameters and preferably a filter medium produced according to said method

 #40
20160361674
2016-12-15

FILTER MEDIA INCLUDING FINE STAPLE FIBERS

 #41
20160279551
2016-09-29

Filter medium for obtaining plasma, and associated filtration device and method

 #42
20160151729
2016-06-02

Filtering panel for the passive filtering of air and gases

 #43
20160059167
2016-03-03

Pre-coalescing multi-layered filter media

 #44
20150328401
2015-11-19

Pivoting joint infusion system with seal

 #45
20150151228
2015-06-04

Filter

 #46
20140141505
2014-05-22

Stem cell separating material and method of separation

 #47
20140021138
2014-01-23

Filtration system

 #48
20130052420
2013-02-28

HIGH REPELLENCY FILMS VIA MICROTOPOGRAPHY AND POST TREATMENT

 #49
20120292247
2012-11-22

Complex filter and water purifier including complex filter

 #50
20120261358
2012-10-18

Separation media for separating water-hydrocarbon emulsions having low interfacial tensions

 #51
20120261330
2012-10-18

Separation modules including media for separating water-hydrocarbon emulsions having low interfacial tensions

 #52
20120043281
2012-02-23

Methods especially useful for separating water-hydrocarbon emulsions having low interfacial tensions

 #53
20110290119
2011-12-01

ANTIMICROBIAL ELECTRET WEB

 #54
20110259818
2011-10-27

FILTER MEDIA FOR LIQUID PURIFICATION TO REMOVE TRACE METALS

 #55
20110192799
2011-08-11

Sorbent Compositions

 #56
20110162653
2011-07-07

REMOTE FLUORINATION OF FIBROUS FILTER WEBS

 #57
20110112481
2011-05-12

Pivoting joint infusion system with seal

 #58
20110084028
2011-04-14

SEPARATION MEDIA AND METHODS ESPECIALLY USEFUL FOR SEPARATING WATER-HYDROCARBON EMULSIONS HAVING LOW INTERFACIAL TENSIONS

 #59
20110006009
2011-01-13

Anti-microbial matrix and filtration system

 #60
20100326928
2010-12-30

Filtration System

 #61
20100326902
2010-12-30

Laminated Filtration Media

 #62
20100252047
2010-10-07

REMOTE FLUORINATION OF FIBROUS FILTER WEBS

 #63
20100189915
2010-07-29

METHOD OF MAKING FUNCTIONALIZED SUBSTRATES

 #64
20100151190
2010-06-17

Adaptive membrane structure with insertable protrusions

 #65
20100122515
2010-05-20

POISON-FILTER MATERIAL AND PRODUCTION METHOD THEREOF

 #66
20100072128
2010-03-25

Depth filter sheet material and method for manufacturing same

 #67
20100059435
2010-03-11

CHEMICAL FILTER AND METHOD FOR PRODUCING THE SAME

 #68
20100051536
2010-03-04

FILTER INCLUDING MULTIPLE SPHERES

 #69
20100011720
2010-01-21

Apparatus and system for filtering air

 #70
20090312731
2009-12-17

Nonwoven Melt-Blown Product

 #71
20090259158
2009-10-15

Antimicrobial fibers embedded with an iodinated resin

 #72
20090247970
2009-10-01

Enclosure ventilation filter and assembly method

 #73
20090241497
2009-10-01

CHEMICAL FILTER AND METHOD FOR PRODUCING THE SAME

 #74
20090223411
2009-09-10

ORGANOSILANE-NONIONIC-WATER STABLE QUATERNARY AMMONIUM COMPOSITIONS AND METHODS

 #75
20090142835
2009-06-04

Stem cell separating material and method of separation

 #76
20090019825
2009-01-22

TACKY ALLERGEN TRAP AND FILTER MEDIUM, AND METHOD FOR CONTAINING ALLERGENS

 #77
20080166938
2008-07-10

MICROFIBER SPLIT FILM FILTER FELT AND METHOD OF MAKING SAME

 #78
20080053922
2008-03-06

NANOSTRUCTURED MATERIALS COMPRISING SUPPORT FIBERS COATED WITH METAL CONTAINING COMPOUNDS AND METHODS OF USING THE SAME

 #79
20070267341
2007-11-22

Acid-neutralizing filter media

 #80
20070213002
2007-09-13

Cleaning Treatment Material, Air Filter, Air Conditioner, Heat Exchange Element, and Heat Exchanging Unit

 #81
20070181001
2007-08-09

Adsorptive filtering material having biological and chemical protective function and use thereof

 #82
20070154703
2007-07-05

Functionalized substrates

 #83
20070154651
2007-07-05

METHOD OF MAKING FUNCTIONALIZED SUBSTRATES

 #84
20070062862
2007-03-22

Filtration matrix

 #85
20070048512
2007-03-01

Functionalization of porous materials by vacuum deposition of polymers

 #86
20070004301
2007-01-04

Textile composite material comprising activated carbon fibres and production thereof

 #87
20070000389
2007-01-04

Gas purification with carbon based materials

 #88
20060280906
2006-12-14

Adaptive membrane structure with insertable protrusions

 #89
20060257642
2006-11-16

Functionalization of porous materials by vacuum deposition of polymers

 #90
20060241551
2006-10-26

Pivoting joint infusion system with steal

 #91
20060163152
2006-07-27

Porous composite materials comprising a plurality of bonded fiber component structures

 #92
20060032814
2006-02-16

Acid-neutralizing filter media

 #93
20060027494
2006-02-09

Oil treated filter media

 #94
20050268817
2005-12-08

Electro-chargeable fiber, nonwoven fabric and nonwoven product thereof

 #95
20050249917
2005-11-10

Adaptive membrane structure

 #96
20050247627
2005-11-10

Biological fluid filter and system

 #97
20050212174
2005-09-29

Method for manufacturing chemical filter

 #98
20050098495
2005-05-12

Purification materials and method of filtering using the same

 #99
20050085144
2005-04-21

Durable charged particle coatings and materials

 #100
20050061728
2005-03-24

Salt-tolerant, water absorbing filter

 #101
20050011827
2005-01-20

Carbon or activated carbon nanofibers