MULTILAYER COMBUSTIBLE HEAT SOURCE Russian patent published in 2017 - IPC A24B15/16 

Abstract RU 2622813 C2

FIELD: tobacco industry.

SUBSTANCE: multilayer combustible heat source for a smoking article comprises the combustible first layer containing carbon and the second layer in direct contact with the first layer; the second layer comprises carbon and at least one igniting additive, wherein the first layer and the second layer represent longitudinal concentric non-fibrous layers having an apparent density of not less than 0.6 g/cm3, and wherein the composition of the first layer differs from that of the second layer.

EFFECT: providing a combustible heat source for a smoking article which will give an acceptable aerosol during the initial smoke puffs, as well as during the last smoke puffs.

14 cl, 3 ex, 2 tbl, 4 dwg

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RU 2 622 813 C2

Authors

Rude Stefan

Klemens Frank Jorg

Mishen Marina Ismael

Dates

2017-06-20Published

2013-02-21Filed