EP 3880010 B1 20230503 - TOBACCO SMOKE FILTER
Title (en)
TOBACCO SMOKE FILTER
Title (de)
TABAKRAUCHFILTER
Title (fr)
FILTRE POUR FUMÉE DE TABAC
Publication
Application
Priority
- GB 201917410 A 20191129
- GB 202013546 A 20200828
- EP 2020083731 W 20201127
Abstract (en)
[origin: WO2021105427A1] A tobacco smoke filter or filter element comprising: a longitudinally extending core which includes first and second longitudinally extending rods of tobacco smoke filtering material, wherein the first rod of tobacco smoke filtering material is distanced longitudinally from the second rod of tobacco smoke filtering material; a wrapper engaged around the first and second longitudinally extending rods such that the wrapper defines a cavity between the first and second rods of tobacco smoke filtering material; and at least one receptacle for an additive located in the cavity, wherein the maximum width or diameter of the receptacle for an additive is less than half the maximum diameter of the cavity and the void space remaining in the cavity is greater than 50% of the volume of the cavity, the receptacle being free to move within the cavity.
IPC 8 full level
A24D 3/02 (2006.01); A24D 3/04 (2006.01); A24D 3/06 (2006.01)
CPC (source: EP KR US)
A24D 1/02 (2013.01 - KR); A24D 1/045 (2013.01 - KR US); A24D 3/0216 (2013.01 - EP KR US); A24D 3/0225 (2013.01 - EP KR); A24D 3/0229 (2013.01 - US); A24D 3/0287 (2013.01 - EP KR US); A24D 3/048 (2013.01 - EP KR US); A24D 3/061 (2013.01 - EP KR US); A24D 3/063 (2013.01 - KR); A24D 3/08 (2013.01 - KR); A24D 3/10 (2013.01 - EP KR US); A24D 3/163 (2013.01 - KR US)
Citation (examination)
- EP 2740370 A1 20140611 - JAPAN TOBACCO INC [JP]
- WO 2016016252 A1 20160204 - JT INT SA [CH]
- US 2017295842 A1 20171019 - MISHRA MUNMAYA K [US]
- US 4174720 A 19791120 - HALL FLOYD V [US]
- US 2012305014 A1 20121206 - RICHARDSON JOHN [GB], et al
- EP 2818060 A1 20141231 - JAPAN TOBACCO INC [JP]
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)
WO 2021105427 A1 20210603; CN 217161063 U 20220812; CN 218457261 U 20230210; EP 3880010 A1 20210922; EP 3880010 B1 20230503; HU E062360 T2 20231028; JP 2023503488 A 20230130; KR 20220110232 A 20220805; LT 3880010 T 20230810; PL 3880010 T3 20230904; US 2022400743 A1 20221222
DOCDB simple family (application)
EP 2020083731 W 20201127; CN 202090000462 U 20201127; CN 202221672175 U 20201127; EP 20816155 A 20201127; HU E20816155 A 20201127; JP 2022531038 A 20201127; KR 20227021420 A 20201127; LT EP2020083731 T 20201127; PL 20816155 T 20201127; US 202017779368 A 20201127