(19)
(11) EP 0 086 638 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
28.03.1984 Bulletin 1984/13

(43) Date of publication A2:
24.08.1983 Bulletin 1983/34

(21) Application number: 83300695

(22) Date of filing: 11.02.1983
(84) Designated Contracting States:
BE CH DE FR GB IT LI NL SE

(30) Priority: 16.02.1982 JP 2422982

(71) Applicant: Suntory Limited
 ()

(72) Inventors:
  • Suwa, Yoshihide
     ()
  • Yamashita, Tsutomu Hanasaki-danchi No. 3-204
     ()

   


(54) Tobacco smoke filter


(57) A tobacco smoke filter containing a deoxygen agent (at 2a) such as a sulfite, an acid sulfite, a pyrosulfite, a hydrosulfite, iron powder, a ferrous compound, or a reducing organic compound. This tobacco filter is capable of effectively inactivating the mutagenicity of tobacco smoke.






Search report