EP 4115750 A4 20231004 - 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 2020008711 W 20200302
Abstract (en)
[origin: EP4115750A1] This filter comprises: a first filter body that has a first end face disposed on the side of a mouthpiece and a second end face disposed on the side opposite to the mouthpiece side; and a second filter body that is disposed at the second-end-face side of the first filter body and has a third end face that faces the second end face. The first and second filter bodies are respectively formed of either a sheet of paper or a sheet of nonwoven cloth. The void quantity as seen in the first end face of the first filter body is less than that as seen in the third end face of the second filter 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)
- [A] US 5360023 A 19941101 - BLAKLEY RICHARD L [US], et al
- [A] GB 1222789 A 19710217 - SUPLA ETS [LI]
- [A] WO 2013120566 A2 20130822 - PHILIP MORRIS PROD [CH]
- See also references of WO 2021176524A1
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 4115750 A1 20230111; EP 4115750 A4 20231004; JP 7310008 B2 20230718; JP WO2021176524 A1 20210910; TW 202133743 A 20210916; WO 2021176524 A1 20210910
DOCDB simple family (application)
EP 20922656 A 20200302; JP 2020008711 W 20200302; JP 2022504783 A 20200302; TW 109116408 A 20200518