Balanced flow tobacco smoke filter
Bicomponent fibers and tobacco smoke filters formed therefrom
Biodegradable cellulose acetate structure and tobacco filter
Biodegradable filter material and method for its manufacture
Biodegradable polyvinyl alcohol tobacco smoke filters, tobacco s
Buccal end device for a smoking rod
Carbon technology
Catalyst to reduce carbon monoxide and nitric oxide from the...
Catalytic cigarette smoke cleaning devise and process
Catalytic conversion of carbon monoxide from carbonaceous heat s
Check valve type cigarette mouthpiece
Cigarette
Cigarette
Cigarette
Cigarette
Cigarette
Cigarette and cigarette filter
Cigarette and cigarette filter element therefor
Cigarette and cigarette filter element therefor
Cigarette and cigarette filter element therefor