EP 4115751 A4 20230927 - FILTER, SMOKING ARTICLE, AND FLAVOR INHALATION ARTICLE
Title (en)
FILTER, SMOKING ARTICLE, AND FLAVOR INHALATION ARTICLE
Title (de)
FILTER, RAUCHARTIKEL UND GESCHMACKSINHALATIONSARTIKEL
Title (fr)
FILTRE, ARTICLE À FUMER ET ARTICLE D'INHALATION D'ARÔME
Publication
Application
Priority
JP 2020008714 W 20200302
Abstract (en)
[origin: EP4115751A1] Provided is a filter including: a first filter main body having a first end face on a mouthpiece side and a second end face opposite to the mouthpiece side, the first filter main body being formed of a paper sheet or a non-woven fabric sheet; a second filter main body provided on the second end face side of the first filter main body, the second filter main body having a third end face facing the second end face, the second filter main body being formed of a paper sheet or a non-woven fabric sheet; and a channel for communicating air between the second end face and the first end face. The airflow resistance of the channel is lower than that of the first filter main body.
IPC 8 full level
CPC (source: EP)
A24D 3/0229 (2013.01); A24D 3/0291 (2013.01); A24D 3/04 (2013.01)
Citation (search report)
- [YA] FR 2373975 A1 19780713 - CIGARETTE COMPONENTS LTD [GB]
- [YA] EP 3178333 A1 20170614 - JAPAN TOBACCO INC [JP]
- See references of WO 2021176527A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
EP 4115751 A1 20230111; EP 4115751 A4 20230927; JP 7423749 B2 20240129; JP WO2021176527 A1 20210910; TW 202133748 A 20210916; WO 2021176527 A1 20210910
DOCDB simple family (application)
EP 20923327 A 20200302; JP 2020008714 W 20200302; JP 2022504785 A 20200302; TW 109116409 A 20200518