EP 4051023 A1 20220907 - FILTER COMPONENT FOR AN AEROSOL-GENERATING ARTICLE
Title (en)
FILTER COMPONENT FOR AN AEROSOL-GENERATING ARTICLE
Title (de)
FILTERKOMPONENTE FÜR EINEN AEROSOLERZEUGUNGSARTIKEL
Title (fr)
COMPOSANT DE FILTRE POUR ARTICLE DE GÉNÉRATION D'AÉROSOL
Publication
Application
Priority
- EP 19205584 A 20191028
- EP 2020080172 W 20201027
Abstract (en)
[origin: WO2021083891A1] A filter for an aerosol-generating article comprising a first filter component (106) having a core comprising filtration material wrapped around by a first wrapper (201), wherein the first wrapper is air impermeable and comprises a plurality of corrugations of sinusoidal waveform extending longitudinally along a sinuous air flow path (204) from and/or to a longitudinal end of the first filter component at least and a second filter component coaxially arranged longitudinally at an end of the first filter component, and maintained therewith with an outer wrapper wrapped around both the first and second filter components.
IPC 8 full level
A24D 3/04 (2006.01); A24D 1/20 (2020.01); A24D 3/02 (2006.01)
CPC (source: CN EP KR US)
A24C 5/1885 (2013.01 - KR); A24D 1/027 (2013.01 - KR US); A24D 1/04 (2013.01 - US); A24D 1/045 (2013.01 - KR); A24D 1/20 (2020.01 - CN EP KR US); A24D 3/0275 (2013.01 - CN EP KR US); A24D 3/0279 (2013.01 - KR); A24D 3/0287 (2013.01 - KR); A24D 3/04 (2013.01 - CN EP KR); A24D 3/043 (2013.01 - US); A24D 3/17 (2020.01 - CN KR US)
Citation (search report)
See references of WO 2021083891A1
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
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
WO 2021083891 A1 20210506; CN 114599237 A 20220607; EP 4051023 A1 20220907; JP 2022552767 A 20221220; KR 20220088685 A 20220628; US 2022400742 A1 20221222
DOCDB simple family (application)
EP 2020080172 W 20201027; CN 202080073835 A 20201027; EP 20796813 A 20201027; JP 2022502590 A 20201027; KR 20227010327 A 20201027; US 202017772755 A 20201027