Tobacco – Tobacco or tobacco substitute product or component part thereof – Cigar or cigarette
Patent
1987-07-06
1989-08-08
Millin, V.
Tobacco
Tobacco or tobacco substitute product or component part thereof
Cigar or cigarette
131270, A24D 102
Patent
active
048543322
ABSTRACT:
A cigarette having thereon a reversible thermochromogenic portion which changes color at a temperature in the range of about 40.degree.-80.degree. C. on the surface except the free end area which makes contact with lips of a smoker, the portion including a thermochromogenic composition which comprises:
REFERENCES:
patent: 2193439 (1940-03-01), Van Doren
Millin V.
Sakura Color Products Corp.
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