Title:
タバコ煙フィルター
Document Type and Number:
Japanese Patent JP4808969
Kind Code:
B2
Abstract:
A tobacco smoke filter which gives an acceptable vapor phase filtration and flavor delivery in the presence of a volatile flavorant (e.g. menthol), the filter containing activated carbon in which (1) pores of under 2 nm pore diameter (micropores) provide a pore volume of at most 0.3 cm3/g (NZ); and (2) (a) pores of 2 to 50 nm pore diameter (mesopores) provide a pore volume of at least 0.25 cm3/g (N2) and/or (b) pores of 7 to 50 nm diameter (larger mesopores) provide a pore volume of at least 0.12 cm3/g (Hg).
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Inventors:
McCormack, Anthony Dennis
Application Number:
JP2004554694A
Publication Date:
November 02, 2011
Filing Date:
November 26, 2003
Export Citation:
Assignee:
Filtrona International Limited
International Classes:
A24D3/16; A24D1/04; A24D3/14; A24F15/00
Domestic Patent References:
| JPS6027375A | 1985-02-12 | |||
| JPH10279986A | 1998-10-20 |
Attorney, Agent or Firm:
Atsushi Aoki
Takashi Ishida
Tetsuji Koga
Nagasaka Tomoyasu
Yoshihiro Kobayashi
Atsushi Ebiya
Takashi Ishida
Tetsuji Koga
Nagasaka Tomoyasu
Yoshihiro Kobayashi
Atsushi Ebiya