Method and device for controlling hydrogen cyanide and nitric ox

Tobacco – Smoke separator or treater – Plural diverse elements

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131331, 131332, 131343, 493 47, 493 49, A24D 316

Patent

active

047636742

ABSTRACT:
Method for reducing normal concentrations of hydrogen cyanide and/or nitrogen oxide by-products in cigarette smoke, by using, as garniture feed for a cigarette filter rod-making apparatus, one or more substrates, one or more surfaces thereof being treated by applying thereto an effective amount of at least one of

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