ClassID:

30195

B01D2239/0464 - CPC Classification

Classification description:

Aspects relating to filtering material for liquid or gaseous fluids; Additives and treatments of the filtering material Impregnants

Recent Application in this class:
#1
20260097341
2026-04-09

DUAL-LAYER GAS FILTERS AND SYSTEMS AND METHODS FOR MAKING THE SAME

#2
20250332636
2025-10-30

Filter For The Filtration Of A Liquid Metal

#3
20250303328
2025-10-02

IMPREGNATED FILTER MEDIUM

#4
20250249386
2025-08-07

FILTER MEDIUM FOR HIGH PERFORMANCE AIR FILTER, AND METHOD FOR MANUFACTURING SAME

#5
20250186920
2025-06-12

PREPARATION METHOD OF BISMUTH ION FILTER MEMBRANE AND APPLICATION THEREOF

#6
20250177897
2025-06-05

FILTRATION MEMBER FOR ANTIVIRAL AIR FILTER

#7
20240408523
2024-12-12

FILTER MATERIAL FOR AIR FILTER AND METHOD FOR PRODUCING FILTER MATERIAL

#8
20240307805
2024-09-19

FILTER MEDIA INCLUDING ADHESIVES

#9
20240307598
2024-09-19

UNIT FOR FILTERING LEUKOCYTES WITH REDUCED PLATELET ADHESION

#10
20240198262
2024-06-20

Air Filter Medium, Filter Medium Body, and Filter Element

#11
20240100463
2024-03-28

FOLDED FILTER MEDIUM

#12
20240035690
2024-02-01

FILTER ELEMENT COMPRISING GRAPHENE FOR AIR CONDITIONING UNITS

#13
20230330585
2023-10-19

HIGH EFFICIENCY FILTER MEDIA

#14
20230321571
2023-10-12

DUAL-LAYER GAS FILTERS AND SYSTEMS AND METHODS FOR MAKING THE SAME

#15
20230271123
2023-08-31

Filtration Media

#16
20230243089
2023-08-03

Method of treating a textile with graphene and textile so obtained

#17
20230225430
2023-07-20

TEXTILE ARTICLE COMPRISING GRAPHENE AND FILTERS COMPRISING SAID TEXTILE ARTICLE

#18
20230182050
2023-06-15

OIL PURIFICATION FILTER

#19
20230158343
2023-05-25

FILTERS FOR VIRUS FILTRATION AND INACTIVATION AND MASK ASSEMBLIES CONTAINING THE SAME

#20
20230103716
2023-04-06

Filter media including adhesives

#21
20230056539
2023-02-23

ARTICLES COMPRISING BINDERS, CROSS-LINKING AGENTS AND/OR OTHER COMPONENTS, AND RELATED METHODS

#22
20220347991
2022-11-03

Layered body

#23
20220032232
2022-02-03

Filter medium for separating nitrogen oxides

#24
20210291094
2021-09-23

Filter media including adhesives

#25
20210039033
2021-02-11

HYBRID FILTER FOR FILTERING OUT FINE AND ULTRAFINE DUST

#26
20200263349
2020-08-20

Method for sol-gel coating of textile materials

#27
20200155985
2020-05-21

Filter Medium, Method for Producing Same, and Use of the Filter Medium in a Filter Element

#28
20200147540
2020-05-14

Filter media and filter element with adhesive reinforcing

#29
20200047247
2020-02-13

Filter For The Filtration Of A Liquid Metal

#30
20190344209
2019-11-14

Air filter comprising a multilayer filter material

#31
20190329160
2019-10-31

Filter Medium Having a Sealing Portion

#32
20190247792
2019-08-15

Selective catalytic reduction filter for reducing nitrous oxide formation and methods of using the same

#33
20190242064
2019-08-08

Substrates with metal nanoparticles, related articles, and a continuous process for making same

#34
20190209954
2019-07-11

IMPROVED ROOM AIR PURIFIERS AND FILTRATION MEDIA

#35
20190201823
2019-07-04

Composite material for air purification, preparation method therefor and application thereof

#36
20180353885
2018-12-13

FILTER FOR SULFUR COMPOUNDS

#37
20180229165
2018-08-16

Method for preparing a catalyzed fabric filter and a catalyzed fabric filter

#38
20180169550
2018-06-21

Filter media including adhesives

#39
20170368382
2017-12-28

FUNCTIONAL PROTECTIVE MATERIAL WITH A REACTIVELY FINISHED MEMBRANE AND PROTECTIVE CLOTHING PRODUCED THEREWITH

#40
20170349999
2017-12-07

Filter device to remove particles from a vapour stream

#41
20170225110
2017-08-10

Long-life air filter for automobiles and method of manufacturing the long-life air filter

#42
20170173372
2017-06-22

Impregnated filter material

#43
20170131257
2017-05-11

SYSTEMS AND METHODS OF REMOVING AND MANAGING HEAVY METALS

#44
20170056802
2017-03-02

Method of manufactring an antibacterial filter comprising copper-based compound particles

#45
20160369451
2016-12-22

HYDROPHILIC ELECTRET MEDIA

#46
20160332104
2016-11-17

Antibacterial filter comprising copper-based sulfur compound

#47
20160279550
2016-09-29

FILTER MATERIAL, FILTER ELEMENT, AND A METHOD AND A DEVICE FOR PRODUCING A FILTER MATERIAL

#48
20160199767
2016-07-14

Filter material, filter element, and method and device for producing a filter material

#49
20150093310
2015-04-02

Filter materials for treating and purifying gas

#50
20150013285
2015-01-15

Filter material

#51
20140302981
2014-10-09

Activated carbon with a metal based component

#52
20130284668
2013-10-31

Curable epoxide containing formaldehyde-free compositions, articles including the same, and methods of using the same

#53
20130122215
2013-05-16

Functionalized nonwoven article

#54
20120298595
2012-11-29

CHITOSAN-COATED FIBERS TO SATISFY NSF50 TEST STANDARD FOR SPAS AND POOLS

#55
20120201938
2012-08-09

Systems and methods of removing and managing heavy metals

#56
20120168381
2012-07-05

Enhanced Clarification Media

#57
20120167889
2012-07-05

Gas mask filter canister

#58
20120160747
2012-06-28

Method and Device for Marking Objects, Particularly Components of a Motor Vehicle, with an Embossed Hologram and Objects Marked in this Way

#59
20120017763
2012-01-26

Filtration media and applications thereof

#60
20120006751
2012-01-12

Enhanced Clarification Media

#61
20110316186
2011-12-29

Filtration media having recycled waste materials

#62
20110203991
2011-08-25

Carbon block filter

#63
20110114573
2011-05-19

Devices and Methods for Removing Contaminants and Other Elements, Compounds, and Species from Fluids

#64
20110113538
2011-05-19

FUNCTIONAL PROTECTIVE MATERIAL WITH A REACTIVELY FINISHED MEMBRANE AND PROTECTIVE CLOTHING PRODUCED THEREWITH

#65
20110036778
2011-02-17

Filter network

#66
20110005394
2011-01-13

MEDIA FOR REMOVAL OF ORGANIC COMPOUNDS

#67
20100320138
2010-12-23

Functionalized nonwoven article

#68
20100264098
2010-10-21

CHITOSAN-COATED FIBERS TO SATISFY NSF50 TEST STANDARD FOR SPAS AND POOLS

#69
20100252509
2010-10-07

Filter medium for metal-working liquids

#70
20100212071
2010-08-26

Adsorption filter material, particularly for producing ABC protective clothing having improved wearing physiology

#71
20100122515
2010-05-20

POISON-FILTER MATERIAL AND PRODUCTION METHOD THEREOF

#72
20100115899
2010-05-13

Ceramic filter comprising clay and process for preparing thereof

#73
20100095846
2010-04-22

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

#74
20100040861
2010-02-18

Ordered Mesoporous Free-Standing Carbon Films And Form Factors

#75
20100011720
2010-01-21

Apparatus and system for filtering air

#76
20090247970
2009-10-01

Enclosure ventilation filter and assembly method

#77
20090078119
2009-03-26

Air Filter and System

#78
20090075861
2009-03-19

Systems and methods of removing and managing heavy metals

#79
20090019825
2009-01-22

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

#80
20080093310
2008-04-24

ANTI-MICROBIAL MEDIA AND METHODS FOR MAKING AND UTILIZING THE SAME

#81
20080041040
2008-02-21

Exhaust gas post treatment system

#82
20080026041
2008-01-31

NON-WOVEN MEDIA INCORPORATING ULTRAFINE OR NANOSIZE POWDERS

#83
20070240576
2007-10-18

Adsorptive filtering material with integrated particle-and/or aerosol-filtering function and use thereof

#84
20070181001
2007-08-09

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

#85
20070175195
2007-08-02

Tacky allergen trap and filter medium, and method for containing allergens

#86
20070004301
2007-01-04

Textile composite material comprising activated carbon fibres and production thereof

#87
20070003457
2007-01-04

Complex shaped fiber for particle and molecular filtration

#88
20070000389
2007-01-04

Gas purification with carbon based materials

#89
20060163152
2006-07-27

Porous composite materials comprising a plurality of bonded fiber component structures

#90
20060042210
2006-03-02

Acidic impregnated filter element, and methods

#91
20060042209
2006-03-02

Alkaline impregnated filter element, and methods

#92
20060016340
2006-01-26

Filter system

#93
20050267281
2005-12-01

Colloidally stabilized emulsions

#94
20050214188
2005-09-29

Complex shaped fiber for particle and molecular filtration

#95
20050211635
2005-09-29

Anti-microbial media and methods for making and utilizing the same

#96
20050160911
2005-07-28

Gas mask filter canister

#97
17229757
2026-06-02

Non-passive anti-viral and nanofilter based respirators

#98
17164735
2021-11-23

Polyurethane-based materials