ClassID:

5566

A24D3/08 - CPC Classification

Classification description:

Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes; Use of materials for tobacco smoke filters of organic materials as carrier or major constituent

Sub-classes:
Recent Application in this class:
#1
20260150891
2026-06-04

AEROSOL GENERATING ARTICLES

#2
20260020598
2026-01-22

FILTER TIP

#3
20260014728
2026-01-15

CUTTER STRUCTURE FOR CUTTING POLYLACTIC ACID FIBER FILTER RODS

#4
20260002291
2026-01-01

PREPARATION METHOD FOR POLYLACTIC ACID FIBER FILTER ROD WITH GOOD TEMPERATURE RESISTANCE

#5
20250331551
2025-10-30

SMOKING ARTICLE

#6
20250325028
2025-10-23

HEAT-NOT-BURN CARTRIDGE

#7
20250241362
2025-07-31

SMOKING DEVICE

#8
20250212945
2025-07-03

AEROSOL PROVISION DEVICE

#9
20240407431
2024-12-12

SHEET FOR FLAVOR INHALATION ARTICLE

#10
20240397998
2024-12-05

SMOKING PRODUCT FILTER AND SMOKING PRODUCT COMPRISING SAME

#11
20240324659
2024-10-03

Filtering Apparatus For A Cigarette

#12
20240315323
2024-09-26

Reduction of amines and nitrosamines in cigarette smoke vapors through a filter functionalized with olive tree polyphenols

#13
20240260642
2024-08-08

GEL RECEPTOR ROD INSERTABLE INTO ELECTRICALLY HEATED SMOKING ARTICLE, ELECTRICALLY HEATED SMOKING ARTICLE INCLUDING THE SAME, AND AEROSOL GENERATING DEVICE THEREFOR

#14
20240245107
2024-07-25

MULTI-SEGMENT FILTER ELEMENT INCLUDING SMOKE-ALTERING FLAVORANT

#15
20240206543
2024-06-27

CIGARETTE AND AEROSOL GENERATION DEVICE FOR CIGARETTE

#16
20240099363
2024-03-28

Filter for Cigarettes Made with Biological Material

#17
20240032585
2024-02-01

Hollow leaf tube with flavor capsule

#18
20230270158
2023-08-31

Smoking accessory with filter and filter having a flavor capsule

#19
20230270155
2023-08-31

Hollow conical member with flavor capsule

#20
20230252852
2023-08-10

ELECTRONIC GAMING SYSTEM AND METHOD OF PROVIDING PROGRESSIVE JACKPOT PLAY

#21
20230248054
2023-08-10

Filters and elongated members formed of palm paper and having a flavor capsule

#22
20230248053
2023-08-10

TOBACCO SMOKE FILTER

#23
20230200434
2023-06-29

Hollow leaf tube with flavor capsule

#24
20230148658
2023-05-18

Filter For Smoking or Vaping Article Comprising a Two-Layer Material

#25
20230000142
2023-01-05

AEROSOL-GENERATING ARTICLE COMPRISING A HOLLOW TUBE SEGMENT COMPRISING POLYHYDROXYALKANOATE

#26
20230000141
2023-01-05

AEROSOL-GENERATING ARTICLE FILTER HAVING NOVEL FILTRATION MATERIAL

#27
20230000140
2023-01-05

AEROSOL-GENERATING ARTICLE FILTER HAVING NOVEL FILTRATION MATERIAL

#28
20220408801
2022-12-29

AEROSOL-GENERATING ARTICLE FILTER HAVING NOVEL FILTRATION MATERIAL

#29
20220304371
2022-09-29

Filters and elongated members formed of palm paper and having a flavor capsule

#30
20220304368
2022-09-29

Hollow conical member with flavor capsule

#31
20220273024
2022-09-01

Smoking accessory with filter and filter having a flavor capsule

#32
20220240568
2022-08-04

Hollow leaf tube with flavor capsule

#33
20220160025
2022-05-26

Combustible smoking filter

#34
20220151288
2022-05-19

AEROSOL PROVISION DEVICE

#35
20220132913
2022-05-05

Smoking article comprising a tube filter and a method of manufacturing the same

#36
20220022528
2022-01-27

Molding apparatus, cigarette filter rod and preparation method thereof

#37
20210395465
2021-12-23

ABSORPTION AND FILTRATION MEDIA

#38
20210323210
2021-10-21

Starch-based multi-channel airflow unit and preparation method and application thereof

#39
20210251280
2021-08-19

SMOKING SUBSTITUTE CONSUMABLE

#40
20210219600
2021-07-22

Hollow leaf tube with flavor capsule

#41
20210177047
2021-06-17

VARIABLE-VENTILATION FILTER TIP AND CIGARETTE

#42
20210161203
2021-06-03

STARCH-BASED COOLING MATERIAL AND APPLICATION THEREOF

#43
20210121643
2021-04-29

Electronic gaming system and method of providing progressive jackpot play

#44
20210015170
2021-01-21

AEROSOL-GENERATING ARTICLES SUITABLE FOR USE IN AEROSOL-GENERATING DEVICES

#45
20210000180
2021-01-07

Cigarette and aerosol generation device for cigarette

#46
20200229487
2020-07-23

Integrally-formed Heat-not-burn Smoking Article and Manufacturing Method therefor

#47
20200154761
2020-05-21

FILTER WITH IMPROVED HARDNESS AND FILTRATION EFFICIENCY

#48
20200146342
2020-05-14

Filter element for tobacco products, the filter element having a capsule containing a liquid medium comprising at least one surfactant as core material

#49
20200146340
2020-05-14

Multi-segment filter element including smoke-altering flavorant

#50
20200022405
2020-01-23

Smoking article mouthpiece configured to receive an insert unit

#51
20190090533
2019-03-28

AEROSOL-GENERATING DEVICE HAVING A POROUS MASS

#52
20180064161
2018-03-08

Smoking article with filter and filter of smoking article

#53
20180000153
2018-01-04

Shaped elements for smoking devices

#54
20170258128
2017-09-14

Biodegradable cigarette filter tow and method of manufacture

#55
20170208857
2017-07-27

Electronic vapor provision system

#56
20170145597
2017-05-25

FIBERS COMPRISING AN ALIPHATIC POLYESTER BLEND, AND YARNS, TOWS, AND FABRICS FORMED THEREFROM

#57
20170143034
2017-05-25

HOLLOW/POROUS FIBERS AND APPLICATIONS THEREOF

#58
20170056607
2017-03-02

Medicinal vapor filtration system

#59
20170049147
2017-02-23

Filter with improved hardness and filtration efficiency

#60
20170042222
2017-02-16

Smoking article filters

#61
20170035103
2017-02-09

SMOKING ARTICLE FILTERS

#62
20160270437
2016-09-22

Smoking article filter including degradable filter component

#63
20160128380
2016-05-12

Amphiphile-modified sorbents in smoking articles and filters

#64
20160095350
2016-04-07

Biopolymer foams as filters for smoking articles

#65
20160073690
2016-03-17

ELECTRONIC CIGARETTE

#66
20160044957
2016-02-18

Molecularly imprinted polymers for treating tobacco material and filtering smoke from smoking articles

#67
20150374030
2015-12-31

BIODEGRADABLE CIGARETTE FILTER TOW AND METHOD OF MANUFACTURE

#68
20150320109
2015-11-12

SMOKING ARTICLE WITH POLYMER-CONTAINING SMOKABLE MATERIALS

#69
20150305401
2015-10-29

Smoke filters for reducing components in a smoke stream

#70
20150164134
2015-06-18

Cigarette filter

#71
20150107613
2015-04-23

Smoking article filters

#72
20150090282
2015-04-02

SMOKING ARTICLE FILTERS

#73
20150001148
2015-01-01

Filter Media

#74
20140332015
2014-11-13

Molecularly imprinted polymers selective for nitrosamines and methods of using the same

#75
20140311507
2014-10-23

Porous catalytic matrices for elimination of toxicants found in tobacco combustion products

#76
20140261502
2014-09-18

Smoke filters for reducing components in a smoke stream

#77
20140216486
2014-08-07

Cigarette mainstream smoke component adsorbent and cigarette filter

#78
20140210127
2014-07-31

Filter element comprising multifunctional fibrous smoke-altering material

#79
20140190505
2014-07-10

Filter material comprising polylactide fibres

#80
20140137879
2014-05-22

Plasticizer composition for degradable polyester filter tow

#81
20140080968
2014-03-20

Blends of a polylactic acid and a water soluble polymer

#82
20140026911
2014-01-30

Spinneret Comprising Tri-Arc Holes and Tri-Arc Filaments Produced Therefrom

#83
20130319432
2013-12-05

Hollow/porous fibers and applications thereof

#84
20130213421
2013-08-22

Apparatus and associated method for forming a filter component of a smoking article

#85
20130180536
2013-07-18

Degradable filter element

#86
20130118509
2013-05-16

Smoking article component

#87
20130104918
2013-05-02

FILTER AND METHOD OF MAKING SAME

#88
20130074853
2013-03-28

Mixed fiber product for use in the manufacture of cigarette filter elements and related methods, systems, and apparatuses

#89
20130025610
2013-01-31

Plasticizer composition for degradable polyester filter tow

#90
20120291793
2012-11-22

Molecularly imprinted polymers for treating tobacco material and filtering smoke from smoking articles

#91
20120255569
2012-10-11

Filtered cigarette comprising a tubular element in filter

#92
20120211016
2012-08-23

PLASTIC FROM TOBACCO BIOMASS

#93
20120192882
2012-08-02

Polymeric materials derived from tobacco

#94
20120167903
2012-07-05

Filtration agents and methods of use thereof

#95
20120160255
2012-06-28

Nanostructural filter for removing toxic compounds

#96
20120160254
2012-06-28

CRYOTROPIC HYDROGELS AND THEIR USE AS FILTERS

#97
20120132219
2012-05-31

Cigarette filter

#98
20120061025
2012-03-15

Apparatus for forming a filter component of a smoking article

#99
20120024306
2012-02-02

Biopolymer foams as filters for smoking articles

#100
20120024304
2012-02-02

Filter element comprising multifunctional fibrous smoke-altering material

#101
20120017925
2012-01-26

DEGRADABLE CIGARETTE FILTER

#102
20110162667
2011-07-07

Tobacco smoke filter for smoking device with porous mass of active particulate

#103
20110036366
2011-02-17

Degradable filter element

#104
20110030708
2011-02-10

Absorptive Polymer, Compound Fiber and Cigarette Filter Rod Made of Compound Fiber

#105
20110017223
2011-01-27

Amphiphile-modified sorbents in smoking articles and filters

#106
20110005534
2011-01-13

REDUCED RISK TOBACCO PRODUCTS AND USE THEREOF

#107
20100319717
2010-12-23

CIGARETTE MAINSTREAM SMOKE COMPONENT ADSORBENT AND CIGARETTE FILTER

#108
20090293893
2009-12-03

Hollow/porous fibers and applications thereof

#109
20090288672
2009-11-26

Cigarette filter comprising a carbonaceous fiber

#110
20090288669
2009-11-26

Cigarette filter comprising a degradable fiber

#111
20090288667
2009-11-26

Method of forming a cigarette filter rod member

#112
20090032037
2009-02-05

DEGRADABLE CIGARETTE FILTERS

#113
20090014017
2009-01-15

Smoker's requisite

#114
20080283071
2008-11-20

Cigarette Filter and Method of Its Manufacturing

#115
20080230076
2008-09-25

Cigarette Filters

#116
20080149119
2008-06-26

Smoking articles enhanced to deliver additives incorporated within electrospun microfibers and nonofibers, and related methods

#117
20080135060
2008-06-12

Aldehyde removal

#118
20080135059
2008-06-12

Tobacco smoke filter material and process for the preparation thereof

#119
20080135058
2008-06-12

Tobacco smoke filter and method for removal of aldehydes from tobacco smoke

#120
20070295345
2007-12-27

Selective Filtration of Cigarette Smoke using Chitosan Derivatives

#121
20070186940
2007-08-16

Molecularly imprinted polymers selective for nitrosamines and method of preparing the same

#122
20060289023
2006-12-28

FILTER CONTAINING A METAL PHTHALOCYANINE AND POLYCATIONIC POLYMER

#123
20060278249
2006-12-14

FILTER CONTAINING A METAL PHTHALOCYANINE AND A POLYCATIONIC POLYMER

#124
20060225752
2006-10-12

Improved Cigarette Filters Comprising Compound Fibers

#125
20060191545
2006-08-31

Filter for articles of the tobacco-processing industry

#126
20060124145
2006-06-15

Filter element

#127
20050257798
2005-11-24

Filter capable of trapping carcinogens and toxic chemicals and manufacturing method thereof

#128
20050247323
2005-11-10

Selective filtration of cigarette smoke using chitosan derivatives

#129
20050186299
2005-08-25

Method and apparatus for spinning a web of mixed fibers, and products produced therefrom

#130
20050161055
2005-07-28

Filter unit for filter-cigarettes and filter cigarettes

#131
20050133048
2005-06-23

Amphiphile-modified sorbents in smoking articles and filters

#132
16539218
2022-03-08

Natural wax cigarette filter