Title:
TOBACCO FILTER
Document Type and Number:
Japanese Patent JPS5554888
Kind Code:
A
Abstract:
An improved cigaret filter wherein dry and active green algae in the form of chlorella in a granular or powdery form which can physically trap and remove such toxic substances contained in cigaret smoke as nicotine, tar, carbon monoxide and the like and, additionally, can biologically denature and change these substances to harmless form are carried or held by a carrier comprising a fibrous, continuous-cellular foamed or the like member. The filter is used as combined with a cigaret holder or directly with a cigaret. With each carrier, preferably, a total weight of 20 to 50 mg. of granular or powdery chlorella is used alone or as combined with such inorganic porous adsorbent as fine granular or powdery zeolite, silica gel, iron oxide or activated charcoal.
Inventors:
YAMAGUCHI TAKEYOSHI
Application Number:
JP12508378A
Publication Date:
April 22, 1980
Filing Date:
October 13, 1978
Export Citation:
Assignee:
YAMAGUCHI TAKEYOSHI
International Classes:
A24D3/08; A24D3/06; A24F13/06; (IPC1-7): A24D3/06
Domestic Patent References:
| JPS4729600A | ||||
| JP37007598A | ||||
| JP39021659A | ||||
| JP45002080A |