A smoking article filter (3) comprises an additive-containing member (2) to selectively release additive inside the filter and an additive-transfer member (5) to transfer additive released from the additive-containing member to the periphery of the filter to indicate that the additive has been released.
申请公布号
WO2012156704(A3)
申请公布日期
2013.01.03
申请号
WO2012GB51048
申请日期
2012.05.11
申请人
BRITISH AMERICAN TOBACCO (INVESTMENTS) LIMITED;AWTY, EDWARD;NANDRA, CHARANJIT;NICHOLLS, JANE;SPENCER, ALFRED
发明人
AWTY, EDWARD;NANDRA, CHARANJIT;NICHOLLS, JANE;SPENCER, ALFRED
