ClassID:

5561

A24D3/064 - 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 structural features of the fibers having non-circular cross-section

Recent Application in this class:
#1
20260123662
2026-05-07

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

#2
20250380735
2025-12-18

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

#3
20250176618
2025-06-05

FILTER ELEMENT FOR MOUTHPIECES, MOUTHPIECE FOR USE IN SMOKING PRODUCTS OR HNB PRODUCTS, AND CIGARETTE FILTER

#4
20250040593
2025-02-06

FILTER ELEMENT FOR MOUTHPIECES FOR USE WITH SMOKING PRODUCTS OR HNB PRODUCTS

#5
20240074483
2024-03-07

TOBACCO SHEET FOR NON-COMBUSTION HEATING TYPE FLAVOR INHALERS AND METHOD FOR PRODUCING SAME, NON-COMBUSTION HEATING TYPE FLAVOR INHALER, AND NON-COMBUSTION HEATING TYPE FLAVOR INHALATION SYSTEM

#6
20240074482
2024-03-07

TOBACCO SHEET FOR NON-COMBUSTION HEATING TYPE FLAVOR INHALER, NON-COMBUSTION HEATING TYPE FLAVOR INHALER, AND NON-COMBUSTION HEATING TYPE FLAVOR INHALATION SYSTEM

#7
20240049777
2024-02-15

BIODEGRADABLE CIGARETTE FILTER

#8
20240049768
2024-02-15

TOBACCO SHEET FOR NON-COMBUSTION HEATING TYPE FLAVOR INHALERS, NON-COMBUSTION HEATING TYPE FLAVOR INHALER, AND NON-COMBUSTION HEATING TYPE FLAVOR INHALATION SYSTEM

#9
20230380482
2023-11-30

MEDIUM DPF AND TOTAL DENIER CELLULOSE ACETATE TOW

#10
20230000141
2023-01-05

AEROSOL-GENERATING ARTICLE FILTER HAVING NOVEL FILTRATION MATERIAL

#11
20230000140
2023-01-05

AEROSOL-GENERATING ARTICLE FILTER HAVING NOVEL FILTRATION MATERIAL

#12
20220408801
2022-12-29

AEROSOL-GENERATING ARTICLE FILTER HAVING NOVEL FILTRATION MATERIAL

#13
20210298351
2021-09-30

Medium dpf and total denier cellulose acetate tow

#14
20180338525
2018-11-29

Biodegradable cigarette filter

#15
20180144161
2018-05-24

Fibers with physical features used for coding

#16
20180082611
2018-03-22

Fibers with surface markings used for coding

#17
20170156394
2017-06-08

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

#18
20150272208
2015-10-01

Biodegradable cigarette filter

#19
20140299143
2014-10-09

SPINNERET COMPRISING TRI-ARC HOLES AND TRI-ARC FILAMENTS PRODUCED THEREFROM

#20
20140026911
2014-01-30

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

#21
20140026910
2014-01-30

Process of making tri-arc filaments

#22
20120017925
2012-01-26

DEGRADABLE CIGARETTE FILTER

#23
20120000480
2012-01-05

BIODEGRADABLE CIGARETTE FILTER

#24
20090032037
2009-02-05

DEGRADABLE CIGARETTE FILTERS

#25
20090000633
2009-01-01

Cellulose acetate fiber modification

#26
20080202539
2008-08-28

Fibre

#27
20050186299
2005-08-25

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