ClassID:

5565

A24D3/068 - 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 characterised by functional properties Biodegradable or disintegrable

Recent Application in this class:
#1
20260130416
2026-05-14

AEROSOL-GENERATING ARTICLE COMPRISING A DOWNSTREAM ELEMENT COMPRISING A PAPER MATERIAL

#2
20260123662
2026-05-07

FILTER COMPRISING A PAPER SUBSTRATE COMPRISING A MONOLAYER BASE WEB WITH DIFFERENT FIBROUS PORTIONS

#3
20250380735
2025-12-18

LYOCELL MATERIAL WITH MODIFIED CROSS SECTION, CIGARETTE FILTER, AND MANUFACTURING METHOD THEREFOR

#4
20250176617
2025-06-05

LYOCELL MATERIAL, SMOKING ARTICLE FILTER, SMOKING ARTICLE, AND METHOD FOR MANUFACTURING SAME

#5
20250120430
2025-04-17

CIGARETTE FILTER ROD MANUFACTURING PROCESS

#6
20250098735
2025-03-27

A SUSTAINABLE SMOKING ARTICLE ELEMENT

#7
20250064109
2025-02-27

TOBACCO FILTER AND SMOKING ARTICLE INCLUDING SAME

#8
20250057214
2025-02-20

LYOCELL MATERIAL, SMOKING ARTICLE FILTER, SMOKING ARTICLE, AND METHOD FOR MANUFACTURING SAME

#9
20250040592
2025-02-06

ECO-FRIENDLY FILTER WITH BIODEGRADABILITY

#10
20250017263
2025-01-16

PAPER FILTER

#11
20250009014
2025-01-09

ACTIVE PAPER

#12
20250000134
2025-01-02

PAPER TUBE

#13
20250000133
2025-01-02

AEROSOL FORMER FOR BIODEGRADABLE HEAT-NOT-BURN AND E-CIGARETTES WITH RELATED SYSTEM AND METHOD

#14
20240389679
2024-11-28

Biodegradable Smoking Cessation Device

#15
20240324661
2024-10-03

CIGARETTE FILTER ROD AND PROCESS

#16
20240284968
2024-08-29

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

#17
20240263357
2024-08-08

POLYMER COMPOSITION COMPRISING BASIC ADDITIVE, PROCESS AND ARTICLES COMPRISING SAID POLYMER COMPOSITION

#18
20240122234
2024-04-18

Aerosol former for biodegradable heat-not-burn and e-cigarettes with related system and method

#19
20240074490
2024-03-07

FILTER WITH ADDED LIQUID, FLAVOR INHALATION ARTICLE EQUIPPED WITH SAID FILTER, AND FLAVOR INHALATION ARTICLE PACKAGE

#20
20240049777
2024-02-15

BIODEGRADABLE CIGARETTE FILTER

#21
20230413897
2023-12-28

ALTERNATIVE FILTER MATERIALS AND COMPONENTS FOR AN AEROSOL DELIVERY DEVICE

#22
20230270159
2023-08-31

PAPER CAVITY FILTER

#23
20230248053
2023-08-10

TOBACCO SMOKE FILTER

#24
20230172262
2023-06-08

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

#25
20230157353
2023-05-25

Degradable cellulose ester

#26
20230016316
2023-01-19

Hydro-Entangled Filter Material for Smoking Products

#27
20230014600
2023-01-19

AEROSOL-GENERATING ELEMENT COMPRISING A FILTER WITH A HIGH CONTENT OF A POLYHYDROXYALKANOATE POLYMER OR COPOLYMER

#28
20230000142
2023-01-05

AEROSOL-GENERATING ARTICLE COMPRISING A HOLLOW TUBE SEGMENT COMPRISING POLYHYDROXYALKANOATE

#29
20230000141
2023-01-05

AEROSOL-GENERATING ARTICLE FILTER HAVING NOVEL FILTRATION MATERIAL

#30
20230000140
2023-01-05

AEROSOL-GENERATING ARTICLE FILTER HAVING NOVEL FILTRATION MATERIAL

#31
20220408801
2022-12-29

AEROSOL-GENERATING ARTICLE FILTER HAVING NOVEL FILTRATION MATERIAL

#32
20220322737
2022-10-13

Processes for producing filter elements suitable for use in smoking articles

#33
20220298675
2022-09-22

POLYMER COMPOSITION COMPRISING BASIC ADDITIVE, PROCESS AND ARTICLES COMPRISING SAID POLYMER COMPOSITION

#34
20220290331
2022-09-15

Polymer composition comprising basic additive, process and articles comprising said polymer composition

#35
20220160026
2022-05-26

DEGRADABLE CELLULOSE ACETATE TOW BAND COMPRISING A FILLER

#36
20220079214
2022-03-17

Aerosol Generating Device with Environmentally Optimised Filter

#37
20220030937
2022-02-03

CATALYST INTRODUCTION METHODS FOR ACCELERATED DEACETYLATION OF CELLULOSE ESTERS

#38
20220022529
2022-01-27

Paper Sheet and Method of Making It

#39
20220022526
2022-01-27

Aerosol-generating article having biodegradable filtration material

#40
20220007713
2022-01-13

Universal filtering mouthpiece for smoking devices

#41
20210363331
2021-11-25

Cellulose acetate composition and molded article

#42
20210244088
2021-08-12

Degradable cellulose ester

#43
20210195939
2021-07-01

Biodegradable Segment of a Smoking Article

#44
20200397040
2020-12-24

Biodegradable filter with improved taste

#45
20200375245
2020-12-03

FILTER ELEMENTS SUITABLE FOR USE IN SMOKING ARTICLES AND PROCESSES FOR PRODUCING THE SAME

#46
20200268042
2020-08-27

Helical shaped filter made of biodegradable material

#47
20200154761
2020-05-21

FILTER WITH IMPROVED HARDNESS AND FILTRATION EFFICIENCY

#48
20200085094
2020-03-19

Lyocell material for tobacco filter

#49
20200046016
2020-02-13

FILTER MATERIALS AND FILTERS MADE THEREFROM

#50
20190343174
2019-11-14

PRODUCT FOR BAKING AND ATOMIZING

#51
20190313691
2019-10-17

Aerosol generating article having water dispersible filter component

#52
20190223493
2019-07-25

Lyocell material for cigarette filter and method for preparing same

#53
20190015774
2019-01-17

REUSABLE AIR FILTER WITH REPLACEABLE CAPSULE

#54
20180360105
2018-12-20

Filter Cigarette Holder

#55
20180338525
2018-11-29

Biodegradable cigarette filter

#56
20180199620
2018-07-19

Nonlinear flexible magnetic filter element

#57
20180140004
2018-05-24

Biodegradable cigarette filter

#58
20180007952
2018-01-11

Method of manufacturing a lyocell material for a cigarette filter

#59
20170354179
2017-12-14

Staple fiber blend for use in the manufacture of cigarette filter elements

#60
20170342598
2017-11-30

Polymer composition comprising basic additive, process and articles comprising said polymer composition

#61
20170311643
2017-11-02

Smoking article with flow restrictor adapted to promote filter degradation

#62
20170258128
2017-09-14

Biodegradable cigarette filter tow and method of manufacture

#63
20170156394
2017-06-08

Modified cross-section lyocell material for tobacco filter, and preparation method therefor

#64
20170145597
2017-05-25

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

#65
20170049147
2017-02-23

Filter with improved hardness and filtration efficiency

#66
20170035104
2017-02-09

DISINTEGRATABLE PLUG WRAPS AND THEIR APPLICATIONS

#67
20170020186
2017-01-26

Filter materials and filters made therefrom

#68
20160286854
2016-10-06

Lyocell material for tobacco filter and method for preparing same

#69
20160270437
2016-09-22

Smoking article filter including degradable filter component

#70
20160235112
2016-08-18

Lyocell material for cigarette filter and method for preparing same

#71
20160192700
2016-07-07

CATALYTICALLY DEGRADABLE PLASTIC AND USE OF SAME

#72
20160044958
2016-02-18

Mixed fiber sliver for use in the manufacture of cigarette filter elements

#73
20150374030
2015-12-31

BIODEGRADABLE CIGARETTE FILTER TOW AND METHOD OF MANUFACTURE

#74
20150342249
2015-12-03

Filter material for a filter element of a smoking article, and associated system and method

#75
20150335069
2015-11-26

Degradable Cigarette Filter

#76
20150335065
2015-11-26

SURFACE ATTACHMENT OF PARTICLES TO CELLULOSE ESTER FIBERS

#77
20150272208
2015-10-01

Biodegradable cigarette filter

#78
20150173414
2015-06-25

Filter paper that disintegrates quickly in water

#79
20150164134
2015-06-18

Cigarette filter

#80
20150059789
2015-03-05

TOBACCO SMOKE FILTER

#81
20140261501
2014-09-18

Disintegratable plug wraps and their applications

#82
20140224268
2014-08-14

SMOKING ARTICLE FILTER INCLUDING POLYMERIC INSERT

#83
20140190505
2014-07-10

Filter material comprising polylactide fibres

#84
20140137879
2014-05-22

Plasticizer composition for degradable polyester filter tow

#85
20140096783
2014-04-10

Filter material for a filter element of a smoking article, and associated system and method

#86
20140080968
2014-03-20

Blends of a polylactic acid and a water soluble polymer

#87
20140026909
2014-01-30

Mixed fiber sliver for use in the manufacture of cigarette filter elements

#88
20130247926
2013-09-26

BIODEGRADABLE COMPOSITES

#89
20130220349
2013-08-29

DEFORMABLE TABLET WITH WATER TRIGGERED CATALYST RELEASE

#90
20130213421
2013-08-22

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

#91
20130192613
2013-08-01

Substituted Cellulose Acetates and Uses Thereof

#92
20130180536
2013-07-18

Degradable filter element

#93
20130047999
2013-02-28

Enhancing the Disintegration and/or Degradation of a Smoking Article

#94
20130025610
2013-01-31

Plasticizer composition for degradable polyester filter tow

#95
20130014774
2013-01-17

Segmented cigarette filter for selective smoke filtration

#96
20120325233
2012-12-27

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

#97
20120325231
2012-12-27

FILTERS HAVING IMPROVED DEGRADATION AND METHODS OF MAKING THEM

#98
20120325230
2012-12-27

Disintegratable plug wraps and their applications

#99
20120318286
2012-12-20

BIODEGRADABLE CIGARETTE FILTER AND METHODS FOR MAKING SAME

#100
20120305015
2012-12-06

COATED PAPER FILTER

#101
20120202398
2012-08-09

BIODEGRADABLE FIBRE AND ITS PROCESS OF MANUFACTURE

#102
20120199147
2012-08-09

Biodegradable composites

#103
20120192883
2012-08-02

CIGARETTE FILTER

#104
20120160254
2012-06-28

CRYOTROPIC HYDROGELS AND THEIR USE AS FILTERS

#105
20120080044
2012-04-05

CIGARETTE FILTER INCLUDING CHEMICAL COMPOSITIONS ADAPTED TO DECOMPOSE CELLULOSE ACETATE

#106
20120017925
2012-01-26

DEGRADABLE CIGARETTE FILTER

#107
20120000481
2012-01-05

DEGRADABLE FILTER ELEMENT FOR SMOKING ARTICLE

#108
20120000480
2012-01-05

BIODEGRADABLE CIGARETTE FILTER

#109
20120000479
2012-01-05

BIODEGRADABLE CIGARETTE FILTER

#110
20120000477
2012-01-05

Degradable adhesive compositions for smoking articles

#111
20110240045
2011-10-06

Environmentally degradable cigarette filter

#112
20110180084
2011-07-28

APPARATUS AND ASSOCIATED METHOD FOR FORMING A FILTER COMPONENT OF A SMOKING ARTICLE

#113
20110174324
2011-07-21

Degradable cigarette filter: pill with multilayered coating

#114
20110143067
2011-06-16

Photodegradable plastics material and its use

#115
20110132381
2011-06-09

RAPIDLY DEGRADABLE FILTERS VIA ELECTRON IONIZATION

#116
20110100386
2011-05-05

Cigarette filter

#117
20110094526
2011-04-28

Biodegradable composites

#118
20110036366
2011-02-17

Degradable filter element

#119
20090288669
2009-11-26

Cigarette filter comprising a degradable fiber

#120
20090151738
2009-06-18

Degradable cigarette filter

#121
20090032037
2009-02-05

DEGRADABLE CIGARETTE FILTERS

#122
20080127988
2008-06-05

Method of forming a filter component

#123
20060150991
2006-07-13

Transparent extraction filter cigarette

#124
16539218
2022-03-08

Natural wax cigarette filter