ClassID:

5571

A24D3/16 - 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 inorganic materials

Sub-classes:
Recent Application in this class:
#1
20250374958
2025-12-11

ELECTRONIC CIGARETTE FILTER AND CIGARETTE

#2
20250040592
2025-02-06

ECO-FRIENDLY FILTER WITH BIODEGRADABILITY

#3
20240365854
2024-11-07

COOLING FILTER AND SMOKING ARTICLE INCLUDING THE SAME

#4
20240358067
2024-10-31

METHOD AND APPARATUS FOR PRE-ROLL PAPERS OR WRAP WITH TIPS

#5
20240349782
2024-10-24

FILTER MATERIAL FOR SMOKING ARTICLES HAVING IMPROVED EXPANSION BEHAVIOUR

#6
20240284968
2024-08-29

LYOCELL MATERIAL WITH CONTROLLED WHITENESS BY HYDROGEN PEROXIDE TREATMENT AND MANUFACTURING METHOD THEREOF

#7
20240268453
2024-08-15

FILTER MATERIAL FOR SEGMENTS FOR SMOKING ARTICLES WITH REDUCED CREEP TENDENCY

#8
20240245102
2024-07-25

AEROSOL-GENERATING DEVICE AND MEDIUM RECEIVING ROD

#9
20230276842
2023-09-07

HYGIENE MOUTHPIECE ELEMENT, HANDLE MOUTHPIECE ELEMENT, TUBE DEVICE FOR WATER PIPES AND WATER PIPE

#10
20230248052
2023-08-10

Smoke filtration device for making self- and machine-rolled conically shaped cigarettes and manufacturing method

#11
20230217992
2023-07-13

NON-COMBUSTIBLE AEROSOL DELIVERY SYSTEM

#12
20230172262
2023-06-08

FILTER FOR THE SORPTION OF COMPONENTS OF TOBACCO SMOKE WHICH ARE HARMFUL TO HEALTH

#13
20220348469
2022-11-03

Filtering material and filter for retaining polyaromatic hydrocarbons, carbonyls and other compounds from smoke from tobacco products

#14
20220346439
2022-11-03

Smoking apparatus and method

#15
20220338532
2022-10-27

Smoke filter apparatus

#16
20220095672
2022-03-31

Elongated smoking article

#17
20220079215
2022-03-17

Cooling cigarette filter and smoking product

#18
20220030937
2022-02-03

CATALYST INTRODUCTION METHODS FOR ACCELERATED DEACETYLATION OF CELLULOSE ESTERS

#19
20210378293
2021-12-09

METHOD AND APPARATUS FOR PRE-ROLLL PAPERS OR WRAP WITH TIPS

#20
20210321667
2021-10-21

FILTER FOR SMOKING ARTICLE

#21
20210315269
2021-10-14

Cigarette filter containing alginite

#22
20210061977
2021-03-04

Cellulose acetate tow with high dpf and low titanium dioxide content

#23
20210030058
2021-02-04

Vaporizer filter

#24
20200281258
2020-09-10

Filter unit for a smoking article

#25
20200268038
2020-08-27

Menthol cigarette

#26
20200107574
2020-04-09

Smoking article filter and method of manufacturing the same

#27
20200022404
2020-01-23

Paper for smoking article and smoking article

#28
20190191760
2019-06-27

Smoking article

#29
20190161412
2019-05-30

Graphene based tobacco smoke filter and a method for synthesizing graphene composition

#30
20190090533
2019-03-28

AEROSOL-GENERATING DEVICE HAVING A POROUS MASS

#31
20180228209
2018-08-16

Graphene adsorbing material, preparation method therefor and application thereof, and cigarette filter tip and cigarette

#32
20180199620
2018-07-19

Nonlinear flexible magnetic filter element

#33
20180044589
2018-02-15

MAYENITE COMPOUND, MULTIFUNCTIONAL AGENT, AND PRODUCTION METHOD FOR MAYENITE-COMPOUND-CONTAINING PRODUCT

#34
20170325498
2017-11-16

System, apparatus and methods for a particulate filtration

#35
20170208855
2017-07-27

Supported catalyst particles for oxidizing carbon monoxide

#36
20170055569
2017-03-02

Menthol cigarette

#37
20170042222
2017-02-16

Smoking article filters

#38
20170035103
2017-02-09

SMOKING ARTICLE FILTERS

#39
20160286863
2016-10-06

Vaporizer device of cotton-free electronic cigarette

#40
20160286855
2016-10-06

Adsorbent materials

#41
20160249675
2016-09-01

Additive releasing materials

#42
20160192700
2016-07-07

CATALYTICALLY DEGRADABLE PLASTIC AND USE OF SAME

#43
20160165950
2016-06-16

Reduction of carbon monoxide in mainstream cigarette smoke

#44
20160073687
2016-03-17

Smoking article

#45
20160045898
2016-02-18

Method of manufacturing a catalyst comprising gold nanoparticles, the catalyst and its use

#46
20160023161
2016-01-28

Method for oxidizing carbon monoxide

#47
20150335069
2015-11-26

Degradable Cigarette Filter

#48
20150335063
2015-11-26

CATALYST TO REDUCE CARBON MONOXIDE IN THE MAINSTREAM SMOKE OF A CIGARETTE

#49
20150305401
2015-10-29

Smoke filters for reducing components in a smoke stream

#50
20150282521
2015-10-08

Menthol cigarette

#51
20150164134
2015-06-18

Cigarette filter

#52
20150144149
2015-05-28

Smoking article with concentric filter

#53
20150136159
2015-05-21

Filter and tobacco using technology for reducing smell of tobacco smoke on hands

#54
20150128963
2015-05-14

Smoking article mouthpiece including aerogel

#55
20150114412
2015-04-30

SMOKING ARTICLES

#56
20150107613
2015-04-23

Smoking article filters

#57
20140311507
2014-10-23

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

#58
20140261502
2014-09-18

Smoke filters for reducing components in a smoke stream

#59
20140216487
2014-08-07

Porous carbon and methods of production thereof

#60
20140210127
2014-07-31

Filter element comprising multifunctional fibrous smoke-altering material

#61
20140030176
2014-01-30

In situ synthesis of composite nanoscale particles

#62
20130192614
2013-08-01

Coated impregnated porous filter plug

#63
20130032160
2013-02-07

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

#64
20130025611
2013-01-31

Sheet filter materials with additives

#65
20120325233
2012-12-27

CELLULOSE ESTERS HAVING MIXED-PHASE TITANIUM DIOXIDE PARTICLES FOR IMPROVED DEGRADATION

#66
20120325231
2012-12-27

FILTERS HAVING IMPROVED DEGRADATION AND METHODS OF MAKING THEM

#67
20120204890
2012-08-16

Highly-ordered nanostructure arrays and methods of preparation thereof

#68
20120167905
2012-07-05

Menthol cigarette

#69
20120160255
2012-06-28

Nanostructural filter for removing toxic compounds

#70
20120132219
2012-05-31

Cigarette filter

#71
20120118302
2012-05-17

Method for making a cigarette

#72
20120061025
2012-03-15

Apparatus for forming a filter component of a smoking article

#73
20120037174
2012-02-16

TOBACCO PRODUCT FILTERS

#74
20120024304
2012-02-02

Filter element comprising multifunctional fibrous smoke-altering material

#75
20120012122
2012-01-19

Formation and deposition of sputtered nanoscale particles in cigarette manufacture

#76
20120000475
2012-01-05

In situ synthesis of composite nanoscale particles

#77
20110297167
2011-12-08

REDUCTION OF CARBON MONOXIDE IN SMOKING ARTICLES USING TRANSITION METAL OXIDE CLUSTERS

#78
20110271968
2011-11-10

Filtered Cigarette With Modifiable Sensory Characteristics

#79
20110253155
2011-10-20

Tobacco filter containing magnesium aluminometasilicate

#80
20110126847
2011-06-02

Palladium-containing nanoscale catalysts

#81
20110083676
2011-04-14

Coated impregnated porous filter plug

#82
20110011414
2011-01-20

Highly cohesive composite polymer materials, preparation thereof and, E.G., cigarette filters comprising same

#83
20100226846
2010-09-09

Silver and silver oxide catalysts for the oxidation of carbon monoxide in cigarette smoke

#84
20100175703
2010-07-15

CONTINUOUS PROCESS FOR IMPREGNATING SOLID ADSORBENT PARTICLES INTO SHAPED MIRCO-CAVITY FIBERS

#85
20100154809
2010-06-24

Multi-component filter providing multiple flavour enhancement

#86
20100132725
2010-06-03

Reduction of carbon monoxide and nitric oxide in smoking articles using nanoscale particles and/or clusters of nitrided transition metal oxides

#87
20100122708
2010-05-20

Adsorbent material impregnated with metal oxide component

#88
20100108083
2010-05-06

USE OF MEANS FOR TRAPPING CO2 IN A FILTER FOR PREVENTING INFLAMMATION, CANCER AND CARDIOVASCULAR DISEASES IN A SUBJECT EXPOSED TO TOBACCO SMOKE

#89
20100071710
2010-03-25

Preparation of mixed metal oxide catalysts from nanoscale particles

#90
20100068120
2010-03-18

Catalysts for low temperature oxidation of carbon monoxide

#91
20100037905
2010-02-18

FILTER OR FILTER ELEMENT FOR TOBACCO SMOKE CIGARETTE CONTAINING SUCH A FILTER OR FILTER ELEMENT AND METHOD FOR PRODUCING SUCH A FILTER OR FILTER ELEMENT

#92
20090288667
2009-11-26

Method of forming a cigarette filter rod member

#93
20090260645
2009-10-22

METHOD FOR NEUTRALIZATION, ADSORPTION, AND ABSORPTION OF HAZARDOUS OR OTHERWISE UNDESIRED COMPOUNDS IN A TOBACCO PRODUCT

#94
20090151738
2009-06-18

Degradable cigarette filter

#95
20090139534
2009-06-04

Cigarettes and cigarette components containing nanostructured fibril materials

#96
20090071489
2009-03-19

In situ synthesis of composite nanoscale particles

#97
20090020132
2009-01-22

Filter cigarette

#98
20080295852
2008-12-04

Tobacco Smoke Filter

#99
20080251091
2008-10-16

Tobacco Smoking Filter or Filter Element with a Content of Adjuncts

#100
20080245376
2008-10-09

Process for making filter tow

#101
20080029114
2008-02-07

Multi-component filter providing multiple flavour enhancement

#102
20080023016
2008-01-31

Nanolayer catalysts useful in promoting oxidation, and their manufacture and use

#103
20080017206
2008-01-24

Menthol cigarette

#104
20070295346
2007-12-27

Tobacco Smoke Filter

#105
20070272261
2007-11-29

Process for making filter tow

#106
20070246054
2007-10-25

Cigarette components having encapsulated catalyst particles and methods of making and use thereof

#107
20070235049
2007-10-11

Magnetic filter elements and cigarettes having magnetic filter elements

#108
20070235046
2007-10-11

Smoking articles comprising magnetic filter elements

#109
20070215168
2007-09-20

Smoking article

#110
20070215166
2007-09-20

Smoking articles and smoking materials

#111
20070204870
2007-09-06

Catalysts to reduce carbon monoxide such as in the mainstream smoke of a cigarette

#112
20070181141
2007-08-09

Specifically-defined smoking article with activated carbon sorbent and sodium bicarbonate-treated fibers and method of treating mainstream smoke

#113
20070169785
2007-07-26

Smoking article with bypass channel

#114
20070163612
2007-07-19

Supports catalyst for the combustion of carbon monoxide formed during smoking

#115
20070163611
2007-07-19

Metal-containing nanowires prepared using mesoporous molecular sieves as templates, and their use in smoking articles for removing certain gas phase constituents from tobacco smoke

#116
20070134144
2007-06-14

Gold- and reducible oxide-based composition, method for the preparation and the use thereof in the form of a catalyst, in particular for carbon monoxide oxidation

#117
20070056601
2007-03-15

Gold-ceria catalyst for oxidation of carbon monoxide

#118
20070014711
2007-01-18

Method for forming activated copper oxide catalysts

#119
20060289024
2006-12-28

Catalysts for low temperature oxidation of carbon monoxide

#120
20060289023
2006-12-28

FILTER CONTAINING A METAL PHTHALOCYANINE AND POLYCATIONIC POLYMER

#121
20060289022
2006-12-28

Tobacco smoke filter

#122
20060278249
2006-12-14

FILTER CONTAINING A METAL PHTHALOCYANINE AND A POLYCATIONIC POLYMER

#123
20060254605
2006-11-16

Palladium-containing nanoscale catalysts

#124
20060225753
2006-10-12

Tobacco smoke filter and tobacco blend for altering mainstream smoke

#125
20060191545
2006-08-31

Filter for articles of the tobacco-processing industry

#126
20060185687
2006-08-24

Filter cigarette and method of making filter cigarette for an electrical smoking system

#127
20060185685
2006-08-24

Nanoscale particles of iron aluminide and iron aluminum carbide by the reduction of iron salts

#128
20060175230
2006-08-10

Organically complexed nanocatalysts for improving combustion properties of fuels and fuel compositions incorporating such catalysts

#129
20060174903
2006-08-10

Cigarettes and cigarette components containing nanostructured fibril materials

#130
20060174902
2006-08-10

Tobacco catalyst and methods for reducing the amount of undesirable small molecules in tobacco smoke

#131
20060137701
2006-06-29

Ceria/zirconia fiberes for use in cigarettes

#132
20060130862
2006-06-22

Smoking articles and smokable filler materials therefor

#133
20060086366
2006-04-27

Surface modified adsorbents and use thereof

#134
20060032510
2006-02-16

In situ synthesis of composite nanoscale particles

#135
20050279372
2005-12-22

Silver and silver oxide catalysts for the oxidation of carbon monoxide in cigarette smoke

#136
20050263164
2005-12-01

Methods for forming transition metal oxide clusters and smoking articles comprising transition metal oxide clusters

#137
20050263163
2005-12-01

Formation and deposition of sputtered nanoscale particles in cigarette manufacture

#138
20050263162
2005-12-01

Preparation of mixed metal oxide catalysts from nanoscale particles

#139
20050194013
2005-09-08

Hydrated lime tobacco smoke filter

#140
20050166935
2005-08-04

Reduction of carbon monoxide in smoking articles using transition metal oxide clusters

#141
20050166934
2005-08-04

In situ synthesis of composite nanoscale particles

#142
20050166933
2005-08-04

Tobacco smoke filter

#143
20050161054
2005-07-28

Cigarette filter

#144
20050161053
2005-07-28

Continuous process for impregnating solid adsorbent particles into shaped microcavity fibers

#145
20050121047
2005-06-09

Cigarettes and cigarette components containing nanostructured fibril materials

#146
20050121044
2005-06-09

Catalysts comprising ultrafine particles

#147
20050109356
2005-05-26

Reduction of carbon monoxide and nitric oxide in smoking articles using iron oxynitride

#148
20050065023
2005-03-24

Nanocomposite copper-ceria catalysts for low temperature or near-ambient temperature catalysis and methods for making such catalysts

#149
20050034737
2005-02-17

Treatment of tobacco and tobacco smoke with chelating agents to remove Pb-210 and Po-210

#150
10460631
2015-08-18

Catalyst to reduce carbon monoxide in the mainstream smoke of a cigarette