Invention Application
- Patent Title: FILTER ADDITIVE
- Patent Title (中): 过滤器添加剂
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Application No.: PCT/GB2011/050899Application Date: 2011-05-11
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Publication No.: WO2011141735A1Publication Date: 2011-11-17
- Inventor: SAMPSON, John , RUSHFORTH, David
- Applicant: BRITISH AMERICAN TOBACCO (INVESTMENTS) LIMITED , SAMPSON, John , RUSHFORTH, David
- Applicant Address: Globe House 1 Water Street London WC2R 3LA GB
- Assignee: BRITISH AMERICAN TOBACCO (INVESTMENTS) LIMITED,SAMPSON, John,RUSHFORTH, David
- Current Assignee: BRITISH AMERICAN TOBACCO (INVESTMENTS) LIMITED,SAMPSON, John,RUSHFORTH, David
- Current Assignee Address: Globe House 1 Water Street London WC2R 3LA GB
- Agency: GILL, Siân et al.
- Priority: GB1007946.5 20100512
- Main IPC: A24D3/02
- IPC: A24D3/02 ; A24D3/04
Abstract:
The present invention relates to a method of producing a filter element for inclusion in a smoking article, the method comprising applying an additive to filter material, the additive being solid at room temperature and the method involving heating the additive so that it melts.
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