Thermal indicators for smoking articles

Details Thermal indicators for smoking articles Thermal indicators for smoking articles

1989-07-18

1991-01-29

Millin, V.

Tobacco

Tobacco or tobacco substitute product or component part thereof

Cigar or cigarette

131360, 131284, A24D 102, A24C 538, A24C 560

Patent

active

049879081

ABSTRACT:
Thermal indicators for non-combustion smoking articles which physically change when heated to provide visual indications of temperature changes are disclosed. The indicators comprise waxes or other compounds which melt away to reveal colored substrates, or comprise microencapsulated chemicals which are released when heated to cause inking or dyeing. The thermal indicators are printed in variety of patterns along the length of the smoking articles to show temperature changes and to indicate whether the smoking article is finished and should be discarded.

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