Patents-Review.com
ClassID:

30196 ⎘

B01D2239/0471 - CPC Classification

Classification description:

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

Sub-classes:
Recent Application in this class:
#1
20260070011
2026-03-12

ANTIBACTERIAL OR ANTIVIRAL FILTER HAVING IMPROVED COATING DURABILITY AND UV DURABILITY

 #2
20260048351
2026-02-19

INDOOR AIR CLEANING NETWORK MECHANISM SYSTEM

 #3
20250235931
2025-07-24

METHOD OF TREATING A GAS STREAM AND METHOD OF OPERATING AN APPARATUS FOR PRODUCING A THREE-DIMENSIONAL WORK PIECE

 #4
20250001346
2025-01-02

Air Filter

 #5
20240416588
2024-12-19

FILTER DEVICE

 #6
20240325952
2024-10-03

INHERENTLY STABLE, FLOW-POROUS FILTER ELEMENT AND METHOD FOR PRODUCING SUCH A FILTER ELEMENT

 #7
20240307806
2024-09-19

ANTIBACTERIAL OR ANTIVIRAL FILTER HAVING IMPROVED COATING DURABILITY AND UV DURABILITY

 #8
20240246013
2024-07-25

NANOPOROUS METAL FOAM GAS AND FLUID FILTERS

 #9
20240024809
2024-01-25

Porous Materials For Treating Contaminants

 #10
20240001271
2024-01-04

Particulate Filter Having A Centralized-Distributed Functional Material Layer And Process For Preparing The Same

 #11
20230364539
2023-11-16

COMPOSITE FOR AIR PURIFICATION, METHOD OF MANUFACTURING THE SAME, AND FILTER INCLUDING THE SAME

 #12
20230223870
2023-07-13

SELF-CHARGING MULTI-LAYER TRIBOELECTRIC PPE

 #13
20230173423
2023-06-08

USE OF PHOTOTHERMAL AGENTS IN AIR FILTERS

 #14
20230067575
2023-03-02

PARTICULATE FILTERS

 #15
20230067216
2023-03-02

Method of treating a gas stream and method of operating an apparatus for producing a three-dimensional work piece

 #16
20220143537
2022-05-12

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

 #17
20220065789
2022-03-03

Filter media and system using the same

 #18
20210354065
2021-11-18

Filter comprising a coating layer of flake-like powders and a preparation method thereof

 #19
20210340316
2021-11-04

Method for separating PHA and PHA prepared therefrom

 #20
20210101091
2021-04-08

Removal of hydrophobic particles using carbon dioxide

 #21
20210018487
2021-01-21

Plasma separation device

 #22
20200308019
2020-10-01

Liquid filter apparatus and system

 #23
20200009492
2020-01-09

Fabric material composite construction for use as a filter means

 #24
20190391130
2019-12-26

Plasma separation device

 #25
20180178144
2018-06-28

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

 #26
20180126024
2018-05-10

Microporous material

 #27
20180099238
2018-04-12

FILTER PAD

 #28
20180036669
2018-02-08

FABRIC MATERIAL COMPOSITE CONSTRUCTION FOR USE AS A FILTER MEANS

 #29
20160236152
2016-08-18

Coatings for biological fluid filters

 #30
20150328401
2015-11-19

Pivoting joint infusion system with seal

 #31
20140037922
2014-02-06

Microporous material

 #32
20130269528
2013-10-17

Method for reducing pressure drop through filters, and filter exhibiting reduced pressure drop

 #33
20130036907
2013-02-14

NON-WOVEN FABRIC FOR FILTER, AND PROCESS FOR PRODUCTION THEREOF

 #34
20130012461
2013-01-10

Composition for prevention of influenza viral infection comprising tannic acid, air filter comprising the same and air cleaning device comprising the filter

 #35
20120298575
2012-11-29

Anti-fouling materials based on poly(β-peptoid)s

 #36
20120231242
2012-09-13

MICROPOROUS MATERIAL

 #37
20120012523
2012-01-19

FABRIC MATERIAL COMPOSITE CONSTRUCTION FOR USE AS A FILTER MEANS

 #38
20110316186
2011-12-29

Filtration media having recycled waste materials

 #39
20110256364
2011-10-20

Microporous material

 #40
20110194982
2011-08-11

AIR CLEANING FILTER COMPRISING PROTEOLYTIC ENZYME AND PROCESS FOR PRODUCING THE SAME

 #41
20110155952
2011-06-30

Filtration media having a chemical reagent

 #42
20110155661
2011-06-30

Water filter materials and water filters containing a mixture of microporous and mesoporous carbon particles

 #43
20110126501
2011-06-02

COMPOSITION FOR PREVENTION OF INFLUENZA VIRAL INFECTION COMPRISING TANNIC ACID, AIR FILTER COMPRISING THE SAME AND AIR CLEANING DEVICE COMPRISING THE FILTER

 #44
20110112481
2011-05-12

Pivoting joint infusion system with seal

 #45
20100266461
2010-10-21

Method For Reducing Pressure Drop Through Filters, And Filter Exhibiting Reduced Pressure Drop

 #46
20100170230
2010-07-08

Washcoated particulate filter substrate

 #47
20100151190
2010-06-17

Adaptive membrane structure with insertable protrusions

 #48
20100132944
2010-06-03

Differential filters for removing water during oil production

 #49
20100096342
2010-04-22

Removal of contaminants from water and gas by filtration

 #50
20100011720
2010-01-21

Apparatus and system for filtering air

 #51
20100006507
2010-01-14

Water treating methods

 #52
20090308800
2009-12-17

Water filter materials and water filters containing a mixture of microporous and mesoporous carbon particles

 #53
20090117798
2009-05-07

Sheet for use as filter, mask or the like having bacteria adsorbing function

 #54
20090078637
2009-03-26

Surface modified filtration media

 #55
20090008323
2009-01-08

Water filter materials and water filters containing a mixture of microporous and mesoporous carbon particles

 #56
20080308497
2008-12-18

Filter Element

 #57
20080182748
2008-07-31

Filtration media having a chemical reagent

 #58
20080142222
2008-06-19

Differential filters for stopping water during oil production

 #59
20080041040
2008-02-21

Exhaust gas post treatment system

 #60
20080017036
2008-01-24

Absorbing agent, dust collection chamber and method for adsorbing odours

 #61
20070267341
2007-11-22

Acid-neutralizing filter media

 #62
20070181001
2007-08-09

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

 #63
20070163217
2007-07-19

Cellulosic/polyamide composite

 #64
20070090045
2007-04-26

Multidiameter wire cloth

 #65
20070048494
2007-03-01

Honeycomb structure and honeycomb catalytic body

 #66
20070042665
2007-02-22

Micro-porous non-woven fabric and fabricating method thereof

 #67
20070006556
2007-01-11

Particle filter including a metallic fiber layer

 #68
20060280906
2006-12-14

Adaptive membrane structure with insertable protrusions

 #69
20060276576
2006-12-07

Coating composition for chemical grafting

 #70
20060241551
2006-10-26

Pivoting joint infusion system with steal

 #71
20060216459
2006-09-28

Cover made of woven pile

 #72
20060207937
2006-09-21

Filter for the separation of leukocytes from whole blood or blood preparations, method for production of said filter, corresponding device and use thereof

 #73
20060151382
2006-07-13

Contact devices with nanostructured materials

 #74
20060091069
2006-05-04

Method for manufacturing a filter

 #75
20060090436
2006-05-04

Filter media saturating resole resin

 #76
20060088708
2006-04-27

Heat-resistant filter element and method for production thereof

 #77
20060032814
2006-02-16

Acid-neutralizing filter media

 #78
20050279696
2005-12-22

Water filter materials and water filters containing a mixture of microporous and mesoporous carbon particles

 #79
20050249917
2005-11-10

Adaptive membrane structure

 #80
20050142966
2005-06-30

Odor control materials and face masks including odor control materials

 #81
20050115216
2005-06-02

Filter element with hydrophobic properties

 #82
20050087286
2005-04-28

Manufacturing process of a Teflon dual-direction extending film filtration nonwoven (I)

 #83
20050085144
2005-04-21

Durable charged particle coatings and materials

 #84
17135984
2021-10-26

Method for efficiently producing PHA