ClassID:

22219

A61L2209/21 - CPC Classification

Classification description:

Aspects relating to disinfection, sterilisation or deodorisation of air; Method-related aspects Use of chemical compounds for treating air or the like

Sub-classes:
Recent Application in this class:
#1
20260131039
2026-05-14

Methods of Inactivating Pathogens

#2
20260115348
2026-04-30

ETHYLENE AIR SCRUBBER FOR CARGO CONTAINERS AND CARGO CONTAINERS INCLUDING THE SAME

#3
20250387528
2025-12-25

Candle Warmer System and Method of Use

#4
20250332312
2025-10-30

MULTI-PORE AROMA DIFFUSER DEVICE

#5
20250312502
2025-10-09

Methods for Detection and Removal of Dioxins, Polycyclic Aromatic Hydrocarbons, Semi-Volatile Organic Compounds, Metals, Toxins, and other Contaminants from Surfaces, Water, and/or Air with Open-Cell Foam

#6
20250282481
2025-09-11

Methods, Systems, and Apparatuses for Reducing Ozone Concentration and Reducing VOC Concentration in Aircraft Cabin Environment Recirculated Airflow

#7
20250186646
2025-06-12

Use of Volatile Compositions to Limit or Eliminate Perception of Fecal Malodour

#8
20250114496
2025-04-10

INSTANT ACTION AEROSOL FOR AIR SANITIZATION AND DISINFECTION

#9
20250032658
2025-01-30

SYSTEMS AND METHODS FOR NEUTRALIZATION OF AIRBORNE ALLERGENS WITH ORGANIC ACIDS

#10
20250018078
2025-01-16

DEODORANT FRAGRANCE COMPOSITION

#11
20250009925
2025-01-09

DIFFUSER DEVICE FOR DISPERSING A SUBSTANCE THAT IS IN THE LIQUID OR SOLID STATE AT ROOM TEMPERATURE INTO THE AIR AS VAPOR

#12
20240390544
2024-11-28

2,4-DISUBSTITUTED PYRIDINES AS MALODOR COUNTERACTING INGREDIENTS

#13
20240382642
2024-11-21

ELECTRONIC FRAGRANCE DIFFUSER SYSTEM AND METHOD

#14
20240374773
2024-11-14

COMPOSITION FOR THE PREVENTION AND ELIMINATION OF ODORS

#15
20240358880
2024-10-31

CABIN ISOLATION ASSEMBLIES

#16
20240269337
2024-08-15

METHOD AND SYSTEM FOR COATING FILTER MEDIA

#17
20240156100
2024-05-16

ODOR AND MICROBIAL MITIGATION SOLUTION

#18
20240093890
2024-03-21

SYSTEM AND METHOD FOR PHOTOELECTROCHEMICAL AIR PURIFICATION17466242

#19
20240090498
2024-03-21

ANTIMICROBIAL COMPOSITIONS

#20
20240024809
2024-01-25

Porous Materials For Treating Contaminants

#21
20240000990
2024-01-04

Air Decontamination and Self-Renewing Purification System Utilizing a Filter

#22
20230390444
2023-12-07

MATERIAL, DEVICE, AND METHOD FOR DEACTIVATING PATHOGEN IN AEROSOL, AND METHODS FOR MANUFACTURING THEREOF

#23
20230364292
2023-11-16

Methods of Inactivating Pathogens

#24
20230310691
2023-10-05

FLUID DISPERSAL APPARATUS FOR AIR QUALITY CONTROL OF TRANSITORY SOURCE

#25
20230280078
2023-09-07

VOLATILIZATION DEVICE AND STORAGE DEVICE

#26
20230277716
2023-09-07

PHOTOCATALYTIC AND PHOTO(ELECTRO)CATALYTIC APPROACHES FOR VIRAL DECONTAMINATION

#27
20230277710
2023-09-07

SYSTEM AND DEVICE FOR SANITIZING THE AIR

#28
20230227165
2023-07-20

Methods, Systems, and Apparatuses for Reducing Ozone Concentration and Reducing VOC Concentration in Aircraft Cabin Environment Recirculated Airflow

#29
20230211035
2023-07-06

AIRBORN PATHOGEN DISENFECTING SYSTEM WITH INTERCHANGEABLE FILTERS FOR AN HVAC SYSTEM

#30
20230173126
2023-06-08

Agricultural proactive air/surface decontamination system and devices

#31
20230173125
2023-06-08

AGRICULTURAL PROACTIVE AIR/SURFACE DECONTAMINATION SYSTEM AND DEVICES

#32
20230165994
2023-06-01

Effervescent Tablet and Composition for Masking Toilet Odors and Method of Use Thereof

#33
20230105980
2023-04-06

FRAGRANCE DIFFUSER VASE

#34
20230083721
2023-03-16

Instantaneous sterilization system for ventilation and air conditioning

#35
20230074097
2023-03-09

BREWERY AND STEAM VENT ODOR CONTROL SYSTEM

#36
20230064583
2023-03-02

AIR PURIFICATION APPARATUS

#37
20230041880
2023-02-09

Methods of inactivating pathogens

#38
20230016081
2023-01-19

MULTI-FUNCTIONAL AIR PURIFICATION FILTER AND PURIFICATION DEVICE INCLUDING THE SAME

#39
20230001039
2023-01-05

Air decontamination and self-renewing purification system utilizing a filter

#40
20220370675
2022-11-24

Aroma Dispenser and Composition

#41
20220357054
2022-11-10

Air treatment device

#42
20220313853
2022-10-06

Open-Cell Foam Environmental Indicator

#43
20220296949
2022-09-22

CARBON-BASED FILTERS FOR USE IN ELIMINATING PATHOGENS

#44
20220280897
2022-09-08

METHOD FOR DETECTING AND FILTERING INDOOR POLLUTED GAS

#45
20220280678
2022-09-08

Ventilation seat of vehicle

#46
20220265891
2022-08-25

Disinfecting Lighting Apparatus

#47
20220226530
2022-07-21

STERILIZING APPARATUS AND STERILIZING METHOD

#48
20220218857
2022-07-14

ROBOT FOR ATOMIZATION AND DISINFECTION

#49
20220211894
2022-07-07

PHOTOCATALYTIC GENERATION OF SINGLET OXYGEN FOR AIR PURIFICATION

#50
20220202118
2022-06-30

Methods and devices for preventing viral transmission

#51
20220169537
2022-06-02

Photoreactor and formulations for environmental remediation and methods of use thereof

#52
20220168457
2022-06-02

Flameless energized emanator

#53
20220160922
2022-05-26

STERILIZATION, DEODORIZATION, AND VIRUS INFECTION PREVENTION TECHNOLOGY USING NATURAL SUBSTANCES

#54
20220125972
2022-04-28

PROSTHETIC ACCESSORY STERILIZER

#55
20220088255
2022-03-24

SYSTEMS AND METHODS FOR SANITIZING AN INDOOR ENVIRONMENT

#56
20220088247
2022-03-24

Open-Cell Foam Based Pathogen Remediation

#57
20220047757
2022-02-17

Dual-Disinfection Germicial Lighting Device

#58
20220034866
2022-02-03

Method for screening of unpleasant odor masking agents

#59
20220031901
2022-02-03

FRAGRANCE COMPOSITION

#60
20220031545
2022-02-03

MEDICAL AIR TREATMENT DEVICE

#61
20220008598
2022-01-13

Antibacterial & Antiviral Decontamination System

#62
20220001067
2022-01-06

PURIFICATION DEVICE OF EXERCISE ENVIRONMENT

#63
20210387126
2021-12-16

POROUS MATERIALS FOR TREATING CONTAMINANTS

#64
20210386897
2021-12-16

WATER-SOLUBLE EFFERVESCENT SOLID PERFUME

#65
20210386144
2021-12-16

ANTI-VIRUS FACE MASK AND FILTER

#66
20210379235
2021-12-09

UV SYSTEMS FOR PATHOGEN MITIGATION IN HVAC

#67
20210370217
2021-12-02

System and method for maintaining, monitoring and/or improving air quality and purity in at least one room or environment

#68
20210361817
2021-11-25

Cabin isolation assemblies

#69
20210353814
2021-11-18

Malodor counteractant composition and methods

#70
20210321697
2021-10-21

Antimicrobial UV-C emitting composition for masks and related devices and methods

#71
20210299321
2021-09-30

AIR PURIFYING APPARATUS FOR PURIFYING AIR IN AN ISOLATION SPACE

#72
20210282479
2021-09-16

Methods and devices for preventing viral transmission

#73
20210282478
2021-09-16

Methods and devices for preventing viral transmission

#74
20210282475
2021-09-16

Methods and devices for preventing viral transmission

#75
20210275704
2021-09-09

Method for manufacturing a medium for purifying fluids containing toxic compounds

#76
20210162085
2021-06-03

Nucleic acid decontamination methods

#77
20210145998
2021-05-20

2,4-disubstituted pyridines as malodor counteracting ingredients

#78
20210128774
2021-05-06

Antiviral air-filtering lighting device using visible light

#79
20210046207
2021-02-18

METHODS FOR REDUCING ODORS PRODUCED BY TERPENES

#80
20210030910
2021-02-04

Antimicrobial fabric freshening compositions containing octenidine dihydrochloride

#81
20200360559
2020-11-19

Activated carbon sheet for air purification

#82
20200338543
2020-10-29

Antibacterial material and antibacterial film and antibacterial member using the same

#83
20200338223
2020-10-29

METHOD OF PRODUCING MICROBIAL FERMENTATION BROTH

#84
20200330632
2020-10-22

Ultraviolet and misting disinfecting unit

#85
20200316241
2020-10-08

DEODORANT DISPERSION, DEODORANT-CONTAINING PROCESSING SOLUTION, AND METHOD FOR PRODUCING DEODORANT PRODUCT

#86
20200276352
2020-09-03

Apparatus and method for air freshening

#87
20200261295
2020-08-20

Medical air treatment device

#88
20200231436
2020-07-23

CHLORINE DIOXIDE GAS GENERATING METHOD, LIQUID COMPOSITION, GEL COMPOSITION, AND CHLORINE DIOXIDE GAS GENERATING KIT

#89
20200222576
2020-07-16

System and method for photoelectrochemical air purification

#90
20200216314
2020-07-09

CHLORINE DIOXIDE GAS GENERATING METHOD, LIQUID COMPOSITION, GEL COMPOSITION, AND CHLORINE DIOXIDE GAS GENERATING KIT

#91
20200181675
2020-06-11

METHOD FOR SCREENING ANTIMICROBIAL AGENT

#92
20200179873
2020-06-11

Air purifying machine and process

#93
20200179547
2020-06-11

Material, device, and method for deactivating pathogen in aerosol, and methods for manufacturing thereof

#94
20200171191
2020-06-04

AROMA DIFFUSER USING FRAGRANCE CAPSULE

#95
20200164096
2020-05-28

Air freshener composition and preparation method thereof

#96
20200093949
2020-03-26

COMBINED ODOR ABSORPTION AND INSECT REPELLENT COMPOSITIONS, TREATMENTS, AND METHODS OF USE

#97
20200085987
2020-03-19

N-halamine composition for the prevention and elimination of odors

#98
20200038536
2020-02-06

Chlorine dioxide generating device

#99
20190343977
2019-11-14

USE OF VOLATILE COMPOSITIONS TO LIMIT OR ELIMINATE PERCEPTION OF FECAL MALODOUR

#100
20190336636
2019-11-07

DISSOLVABLE EFFERVESCENT TOILET DEODORIZER AND METHOD OF USE

#101
20190327961
2019-10-31

STABLE SOLID COMPOSITION BASED ON AN AROMATIC COMPOUND AND USES THEREOF

#102
20190247530
2019-08-15

Air treatment article

#103
20190231916
2019-08-01

Halogenated heterocyclic N-halamine coated garbage bags

#104
20190231915
2019-08-01

Method of manufacturing particulate halogenated heterocyclic N-halamine compositions for the prevention and elimination of odors

#105
20190201572
2019-07-04

ODOR-REDUCTION SYSTEM AND MATERIAL

#106
20190175777
2019-06-13

Odor-modulating agent and odor-modulating method

#107
20190155975
2019-05-23

Antiperspirant and deodorant compositions comprising malodor reduction compositions

#108
20190134245
2019-05-09

Apparatus and method for reducing malodor on surfaces

#109
20190111170
2019-04-18

Air purification composition

#110
20190105421
2019-04-11

Effective anti-bacteria and anti-viral air treatment device

#111
20190105420
2019-04-11

Odor control composition and carpet having a durable odor control property

#112
20190077737
2019-03-14

Organoleptic (alkoxymethylene)octahydro-1H-4,7-methanoindene compounds

#113
20190070327
2019-03-07

Air freshener gel containing cellulose, hemicellulose, lignin

#114
20190049144
2019-02-14

Vent cover

#115
20190040338
2019-02-07

Deodorant formulation and uses thereof

#116
20190030200
2019-01-31

Air scavenger composition

#117
20180360035
2018-12-20

BIRD REPELLING TREATMENT COMPOSITION

#118
20180344888
2018-12-06

CHLORINE DIOXIDE GENERATING DEVICE

#119
20180339078
2018-11-29

Cucurbituril compositions and their use

#120
20180326107
2018-11-15

MALODOR CONTROL COMPOSITION HAVING A MIXTURE OF VOLATILE ALDEHYDES AND METHODS THEREOF

#121
20180286351
2018-10-04

SENSORY STIMULI DELIVERY SYSTEMS FOR HEAD-MOUNTED DISPLAYS

#122
20180264391
2018-09-20

System and method for maintaining, monitoring and/or improving air quality and purity in at least one room or environment

#123
20180264158
2018-09-20

Neutralization of odors

#124
20180207309
2018-07-26

Water-based fragrance composition, fragrance delivery device, and method of providing a long-lasting scent

#125
20180200399
2018-07-19

Halogenated heterocyclic N-halamine composition for the prevention and elimination of odors

#126
20180184663
2018-07-05

Acid compositions and uses thereof

#127
20180147312
2018-05-31

Ventilation Duct to Eradicate Indoor Odor and Microbes

#128
20180133084
2018-05-17

Medical air treatment device

#129
20180117207
2018-05-03

Deodorizing catch tray for hand dryers

#130
20180065126
2018-03-08

Ionization air purification system for the passenger cabin of a vehicle

#131
20180004875
2018-01-04

Antiperspirant and deodorant compositions comprising malodor reduction compositions

#132
20170341021
2017-11-30

Waste-liquid processing device and an air-pollution treatment device using the same

#133
20170326262
2017-11-16

Ultraviolet and misting disinfecting unit

#134
20170232135
2017-08-17

Absorbent article comprising a malodor control composition having an acid catalyst

#135
20170209353
2017-07-27

Malodour counteracting compositions

#136
20170202992
2017-07-20

MALODOR CONTROL COMPOSITION HAVING A MIXTURE OF VOLATILE ALDEHYDES AND METHODS THEREOF

#137
20170165388
2017-06-15

Organic waste odor absorber

#138
20170156317
2017-06-08

METHODS AND APPARATUS FOR PASSIVE REDUCTION OF NOSOCOMIAL INFECTIONS IN CLINICAL SETTINGS, AND FABRICS, YARNS, AND FILAMENTS FOR USE IN CONNECTION THEREWITH

#139
20170143861
2017-05-25

Ammonia Reducing Agent for Commercial Aviary

#140
20170119917
2017-05-04

MALODOR REDUCTION COMPOSITIONS

#141
20170056857
2017-03-02

Device, system, and method for producing advanced oxidation products

#142
20170056856
2017-03-02

Device, system, and method for producing advanced oxidation products

#143
20170028092
2017-02-02

Preventative solution and method of use

#144
20170018410
2017-01-19

Apparatus and methods for generating reactive gas with glow discharges

#145
20170007735
2017-01-12

Device for dispersing foul gaseous effluent emissions at the source

#146
20160376628
2016-12-29

METHOD FOR SCREENING ANTIMICROBIAL AGENT

#147
20160136624
2016-05-19

Device, system, and method for producing advanced oxidation products

#148
20160136609
2016-05-19

Device, system, and method for producing advanced oxidation products

#149
20160089465
2016-03-31

Freshening compositions and devices comprising same

#150
20160089462
2016-03-31

Freshening compositions and devices comprising same

#151
20160089318
2016-03-31

Personal care compositions comprising malodor reduction compositions

#152
20160045897
2016-02-18

Household appliance having a catalytically effective surface and method for the operation thereof

#153
20160000955
2016-01-07

Combined Odor Absorption and Insect Repellent Compositions, Treatments, and Methods of Use

#154
20150373987
2015-12-31

Heteropolyoxometalates

#155
20150296774
2015-10-22

ANTIMICROBIAL COMPOSITIONS

#156
20150202608
2015-07-23

Deodorizing material, process for manufacturing deodorizing material, and deodorizing device

#157
20150173353
2015-06-25

Formulations and uses of diphenyl

#158
20150064066
2015-03-05

Room fogging disinfection system and method

#159
20150044159
2015-02-12

MALODOR CONTROL COMPOSITION FOR USE IN-HOME COMPOSTING

#160
20140186285
2014-07-03

Absorbent article comprising a malodor control composition having an acid catalyst

#161
20130084218
2013-04-04

Anti-Bacterial Air System

#162
20120201778
2012-08-09

Deordorising compositions and deodorising products containing same

#163
20120183489
2012-07-19

COMPOSITIONS COMPRISING METALLATED MALODOR CONTROL POLYMERS

#164
20120183488
2012-07-19

Compositions comprising hydrophobically modified malodor control polymers

#165
20120020832
2012-01-26

SYSTEM AND METHOD FOR ABATEMENT OF ALLERGENS, PATHOGENS, AND VOLATILE ORGANIC COMPOUNDS

#166
20110294659
2011-12-01

PHOTOCATALYTIC MIXTURE FOR THE DEGRADATION OF NITROGEN OXIDES

#167
20110250159
2011-10-13

CYCLOHEXYLETHYL CARBOXYLIC ACID ESTER COMPOSITIONS AND METHOD FOR USING THE SAME FOR REDUCING MALODORS

#168
20110250158
2011-10-13

Cyclohexylethyl carboxylic acid ester compositions and method for using the same for reducing malodors

#169
20110236448
2011-09-29

Methods and Apparatus for Passive Reduction of Nosocomial Infections in Clinical Settings, and Fabrics, Yarns, and Filaments for Use in Connection Therewith

#170
20110152804
2011-06-23

Absorbent article comprising a malodor control composition having an acid catalyst

#171
20110150816
2011-06-23

METHOD OF NEUTRALIZING MALODORS

#172
20110150815
2011-06-23

Malodor control composition having an acid catalyst and methods thereof

#173
20110150814
2011-06-23

MALODOR CONTROL COMPOSITION HAVING A MIXTURE OF VOLATILE ALDEHYDES AND METHODS THEREOF

#174
20110108632
2011-05-12

AIR FRESHENER VENT CLIP AND ACCESSORY

#175
20110103776
2011-05-05

Pebble stone-shaped aroma diffuser

#176
20110091354
2011-04-21

Room fogging disinfection system

#177
20110081273
2011-04-07

Air sanitization system with variable speed fan

#178
20110070181
2011-03-24

Freshening compositions comprising malodor binding polymers and malodor counteractants

#179
20110052662
2011-03-03

ANTIBACTERIAL MATERIAL AND ANTIBACTERIAL FILM AND ANTIBACTERIAL MEMBER USING THE SAME

#180
20110014142
2011-01-20

Cyclohexylethyl carboxylic acid ester compositions and method for using the same for reducing malodors

#181
20100303751
2010-12-02

Bird repelling treatment composition

#182
20100296966
2010-11-25

Multi-functional cabin air filter

#183
20100249334
2010-09-30

Antiseptic material and a method for the production and use thereof

#184
20100196222
2010-08-05

AIR CLEANING APPARATUS

#185
20100176066
2010-07-15

Method of Improving Efficiency of UV Photolysis of Peracetic Acid for Disinfection and Organic Destruction

#186
15936843
2019-08-13

Aerosolized disinfectant assembly