Tobacco smoke filter

Details Tobacco smoke filter Tobacco smoke filter

A - Human Necessities

24

D

131/18

A24D 3/00 (2006.01) A24D 3/04 (2006.01) A24D 3/14 (2006.01)

Patent

CA 1176941

- 18 - TOBACCO SMOKE FILTER ABSTRACT OF THE DISCLOSURE A tobacco smoke filter capable of effectively removing carcinogenic substances from tobacco smoke is presented. This tobacco filter contains an aqueous solution of a com- pound having a metallic ion or especially ferric ion binding protoporphyrin ring structure, as a removal agent of carcino- genic substances from the tobacco smoke, and a porous carrier therefor.

383785

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