Segmented cigarette
Selective delivery and retention of aldehyde and nicotine by-pro
Selective delivery and retention of nicotine by-product from cig
Selective filtration device
Silver and silver oxide catalysts for the oxidation of...
Simulated smoking device
Smoke filter
Smoke filter containing particulate smoke modifying additive
Smoke filtering material
Smoke filters
Smoke filters
Smoke filtration
Smoke filtration
Smokeless method and article utilizing catalytic heat source for
Smoker's article
Smoking article
Smoking article
Smoking article
Smoking article
Smoking article and filter therefor