Smoking article filter
AssigneeBritish American Tobacco (Investments) Limited
InventorsEdward Awty, Charanjit Nandra, Jane Nicholls, Alfred Spencer
Life of this patent
Estimating the term…
Abstract
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.
Claims19
A smoking article filter, comprising:
- filter material;
- an additive-containing selective release member configured to selectively release additive into the filter material;
- and
- an additive-transfer member configured to transfer additive released from the additive-containing selective release member to the periphery of the filter to indicate that the additive has been released,
- wherein the additive-transfer member comprises a wicking material adapted to wick the additive more rapidly than the filter material and wherein a region of the additive-transfer member is provided at the periphery of the filter.
A smoking article filter, comprising:
- an additive release component configured to selectively release additive inside the filter;
- and
- an additive-transfer member configured to transfer additive released from the additive release component to a visible region of the filter to indicate that the additive has been released.
An arrangement of smoking article additive-containing selective release members, comprising first and second additive-containing selective release members configured to selectively release additive, and a connecting member connecting the first and second additive-containing selective release members together, wherein the connecting member comprises an additive-transfer member to transfer additive released from one of said additive-containing selective release members to a predetermined region of the connecting member, for indicating that additive has been released.
Dependencies are inferred from the claim text.