ClassID:

30638

B01D2259/802 - CPC Classification

Classification description:

Type of treatment; Employing electric, magnetic, electromagnetic or wave energy, or particle radiation Visible light

Recent Application in this class:
#1
20260115662
2026-04-30

METHOD FOR CONTROLLING SEMICONDUCTOR PROCESS ENVIRONMENT

#2
20260102738
2026-04-16

PORTABLE AIR PURIFIER

#3
20260061367
2026-03-05

PHOTOCHEMICALLY CONTROLLED DIRECT AIR CAPTURE OF CARBON DIOXIDE WITH A GUANIDINE PHOTOBASE

#4
20260041810
2026-02-12

PHOTOCATALYST MODULE

#5
20260027490
2026-01-29

DEVICES AND METHODS FOR USING PHOTONS FOR DRYING, DEHUMIDIFYING, FLUID PROCESSING, DEHYDRATING, AND EVAPORATING APPLICATIONS

#6
20250360461
2025-11-27

CARBON CAPTURE APPARATUS AND METHOD

#7
20250303363
2025-10-02

PORTABLE AIR PURIFIER

#8
20250288976
2025-09-18

PHOTOCATALYST, CATALYST FILTER INCLUDING THE PHOTOCATALYST, AND FILTERING SYSTEM INCLUDING THE CATALYST FILTER

#9
20250229222
2025-07-17

DEVICE AND METHOD FOR PASSIVE COLLECTION OF ATMOSPHERIC CARBON DIOXIDE WITH A DOUBLE-WALLED HARVEST CHAMBER

#10
20250205382
2025-06-26

PHOTOCATALYTIC AIR PURIFIER AND AIR PURIFICATION METHOD

#11
20250161878
2025-05-22

PORTABLE AIR PURIFIER FOR PROVIDING STERILIZING AND DEODORIZING FUNCTIONS

#12
20250032978
2025-01-30

Device and Method for the Sequestration of Atmospheric Carbon Dioxide

#13
20240399308
2024-12-05

AIRFOIL CATALYTIC REACTOR FOR ATMOSPHERIC AIR TREATMENT

#14
20240390851
2024-11-28

PHOTOCATALYTIC AEROBIC OXIDATION OF YPERITE OR AN ANALOG THEREOF

#15
20240299882
2024-09-12

FILTERING SYSTEM INCLUDING CATALYST FILTER

#16
20240216567
2024-07-04

PHOTOCATALYST DEVICE

#17
20240165558
2024-05-23

PHOTOCHEMICAL METHOD AND DEVICE FOR VOLATILE ORGANIC COMPOUND POLLUTION CONTROL

#18
20240109028
2024-04-04

Device and Method for the Sequestration of Atmospheric Carbon Dioxide

#19
20240042383
2024-02-08

METHOD FOR AIR PURIFICATION AND SIMULTANEOUS PRODUCTION OF O2 BY MEANS OF ALGAL CULTURE

#20
20230415098
2023-12-28

Photochemical method and device for volatile organic compound pollution control

#21
20230294072
2023-09-21

COMPOSITIONS AND METHODS FOR MONITORING GAS ADSORPTION

#22
20230248876
2023-08-10

SELF-DISINFECTING ANTIVIRAL FILTER MATERIAL, MANUFACTURING AND USE THEREOF, AND AIR FILTER DEVICE WITH THE FILTER MATERIAL

#23
20230212406
2023-07-06

AIR PURIFYING COATING SYSTEM AND METHOD FOR MAKING SAME

#24
20230201756
2023-06-29

PHOTOCATALYTIC AIR TREATMENT

#25
20230191373
2023-06-22

A catalyst for CO2 capture and conversion coupling with biomass oxidation, a preparation method therefor and an application thereof

#26
20230182056
2023-06-15

FLUID FILTRATION SYSTEM AND METHOD OF USE

#27
20230144967
2023-05-11

ACTIVE AIR PURIFICATION DEVICE

#28
20230133151
2023-05-04

PHOTOCATALYTIC AIR CONDITIONING FILTER MODULE WITH ANTIVIRAL PERFORMANCE

#29
20230080563
2023-03-16

NICKEL-BASED MOF FILM PHOTOCATALYST GROWN IN-SITU ON FOAMED NICKEL SURFACE, PREPARATION METHOD THEREFOR, AND APPLICATION THEREOF

#30
20230014247
2023-01-19

SELF-WETTING TRIPHASE PHOTOCATALYTIC COMPOSITE, METHOD OF PREPARING SAME, AND AIR PURIFICATION METHOD USING SAME

#31
20220388860
2022-12-08

NANO-FUNCTIONALIZED SUPPORT AND PRODUCTION METHOD THEREOF

#32
20220331739
2022-10-20

DEVICES AND METHODS FOR GAS PURIFICATION TREATMENT

#33
20220297062
2022-09-22

GASEOUS POLLUTION CONTROL DEVICES AND METHODS OF REMOVING GASEOUS POLLUTANTS FROM AIR

#34
20220016305
2022-01-20

Indoor and outdoor nano air purifier and system comprising said purifier

#35
20210139341
2021-05-13

Nano-functionalized support and production method thereof

#36
20210116139
2021-04-22

Air purification and dehumidification apparatus using solar energy

#37
20210093998
2021-04-01

DEVICE AND METHOD FOR THE SEQUESTRATION OF ATMOSPHERIC CARBON DIOXIDE

#38
20200368385
2020-11-26

Photocatalyst filter and air conditioner including the same

#39
20200282384
2020-09-10

Phosphorus-doped tubular carbon nitride micro-nano material and application thereof in catalytic treatment of exhaust gas

#40
20200030731
2020-01-30

FLUID FILTRATION SYSTEM AND METHOD OF USE

#41
20200001275
2020-01-02

Visible light-activated photocatalytic coating composition and air purification filter

#42
20190358584
2019-11-28

Luminaire with biofilter

#43
20190291090
2019-09-26

Photocatalyst

#44
20190270075
2019-09-05

Photocatalytic composite material for the decomposition of air pollutants

#45
20190126202
2019-05-02

System for photoelectrochemical air purification

#46
20190060830
2019-02-28

System for carbon abatement naturally over paved environments

#47
20190046918
2019-02-14

Smart dehumidifier

#48
20180304195
2018-10-25

Process for controlling air purification systems

#49
20180236438
2018-08-23

Visible light-activated photocatalytic coating composition and air purification filter

#50
20180195036
2018-07-12

Process of cultivating microalgae and a joint method of same with a denitration process

#51
20180160694
2018-06-14

Apparatus for treating a substance with wave energy from an electrical arc and a second source

#52
20180104374
2018-04-19

Photocatalyst filter and air conditioner including the same

#53
20180001312
2018-01-04

Exhaust unit and image forming apparatus

#54
20170276380
2017-09-28

Hygroscopic material and dehumidifier using same

#55
20170248309
2017-08-31

Process for managing photobioreactor exhaust

#56
20170211036
2017-07-27

Process of cultivating microalgae and a joint method of same with a denitration process

#57
20170173571
2017-06-22

Composite material used for catalyzing and degrading nitrogen oxide and preparation method and application thereof

#58
20170007955
2017-01-12

Photo-Catalytic Oxidation Reaction System

#59
20170006887
2017-01-12

Freshness retaining agent, method for manufacturing the same, gas purification device, and gas purification system

#60
20170000145
2017-01-05

APPARATUS FOR TREATING A SUBSTANCE WITH WAVE ENERGY FROM AN ELECTRICAL ARC AND A SECOND SOURCE

#61
20160367968
2016-12-22

Photocatalysts

#62
20160339413
2016-11-24

TiOmaterial that is absorbent in the visible spectrum and method for producing same

#63
20160107145
2016-04-21

Photocatalyst material

#64
20150273440
2015-10-01

Visible light-responsive photocatalytic nanoparticle dispersion liquid, method for producing same, and member having photocatalytic thin film on surface

#65
20150266013
2015-09-24

Photocatalyst

#66
20150107986
2015-04-23

Photocatalytic material for splitting oxides of carbon

#67
20150075384
2015-03-19

Antimicrobial filter adopting optical fibers and air cleaner comprising same

#68
20140334999
2014-11-13

Method for treating a substance with wave energy from an electrical arc and a second source

#69
20140318980
2014-10-30

Photoconversion of light using metal supported atomic quantum clusters

#70
20140141968
2014-05-22

Photocatalyst material and method for fabricating the same

#71
20130330238
2013-12-12

Humidifier apparatus using a photocatalyst having an air-cleaning function

#72
20130253073
2013-09-26

Photocatalyst composition and preparation for the same

#73
20130053614
2013-02-28

SOLVENT TREATMENT PROCESS

#74
20130053613
2013-02-28

Thermal oxidisers, using concentrated sunlight

#75
20130034470
2013-02-07

LED activated photocatalyst air filter

#76
20130028796
2013-01-31

PURIFICATION UNIT AND DEODORIDING DEVICE

#77
20130026027
2013-01-31

Photocatalytic reactor and method for treating gaseous pollutants using the same

#78
20130019577
2013-01-24

System and Method for Capturing Gases from Exhaust

#79
20130008775
2013-01-10

Photocatalytic Panel and System for Recovering Output Products Thereof

#80
20120288218
2012-11-15

Protective bag

#81
20120279849
2012-11-08

Photocatalyst comprising TiOand activated carbon made from date pits

#82
20120135651
2012-05-31

Fabrics comprising a photocatalyst to produce singlet oxygen from ambient oxygen

#83
20120115711
2012-05-10

Photocatalyst comprising TiO2 and activated carbon made from date pits

#84
20120114542
2012-05-10

Photocatalyst comprising TiOand activated carbon made from date pits

#85
20120035295
2012-02-09

Method for removing vinyl monomers from a gas stream

#86
20110303532
2011-12-15

System for treating a substance with wave energy from an electrical arc and a second source

#87
20110229395
2011-09-22

Photocatalyst comprising TiOand activated carbon made from date pits

#88
20110104029
2011-05-05

Photocatalytic material for splitting oxides of carbon

#89
20100303679
2010-12-02

Purifying apparatus using photocatalytic sheet

#90
20100279850
2010-11-04

Chemically-resistant coating composition

#91
20100261260
2010-10-14

Photobioreactor and method for processing polluted air

#92
20100200392
2010-08-12

Photodegradation catalyst and photodegradation catalyst precursor comprising metal halide or metal oxyhalide

#93
20100190241
2010-07-29

Bioactive carbon dioxide filter apparatus and method therefor

#94
20100178693
2010-07-15

Gas decomposing apparatus

#95
20100111798
2010-05-06

METHOD AND APPARATUS FOR REMOVING VINYL MONOMERS FROM A GAS STREAM

#96
20100087310
2010-04-08

Heptazine Modified Titanium Dioxide Photocatalyst and Method for Its Manufacture

#97
20090313976
2009-12-24

Method of storing and delivering ammonia and the use of electromagnetic radiation for desorption of ammonia from a chemical complex

#98
20090305879
2009-12-10

PHOTOCATALYST DISPERSION LIQUID AND PROCESS FOR PRODUCING THE SAME

#99
20090229967
2009-09-17

PROCESS FOR DECOMPOSING VOLATILE AROMATIC COMPOUND

#100
20090192032
2009-07-30

Visible light-responsive photocatalyst composition containing tungsten-based oxides and method of producing the same

#101
20090123769
2009-05-14

VISIBLE LIGHT RESPONSE-TYPE TITANIUM OXIDE PHOTOCATALYST, METHOD FOR MANUFACTURING THE VISIBLE LIGHT RESPONSE-TYPE TITANIUM OXIDE PHOTOCATALYST, AND USE OF THE VISIBLE LIGHT RESPONSE-TYPE TITANIUM OXIDE PHOTOCATALYST

#102
20090093361
2009-04-09

PHOTOCATALYST DISPERSION LIQUID AND PROCESS FOR PRODUCING THE SAME

#103
20090049985
2009-02-26

Air purification system, method for purifying air inside a structure

#104
20080153690
2008-06-26

Chemically-resistant shelter coatings

#105
20070051902
2007-03-08

Apparatus for reducing contaminants in fluid stream comprising a dielectric barrier excimer discharge lamp

#106
20060124442
2006-06-15

Device capable of removing contaminants from a fluid

#107
19261375
2025-09-23

Water generation unit and system