Title:
Smoke filters
United States Patent 3396061
Inventors:
Browne, Colin L.
Publication Date:
08/06/1968
Export Citation:
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Assignee:
CELANESE CORP
Primary Class:
156/178
Other Classes:
156/436
International Classes:
A24D3/02; A24D3/00
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US Patent References:
3323961Method and apparatus for forming rodshaped fibrous elements
3205107Process for making filament tobacco smoke filters
3161557Apparatus for making an endless filter string for cigarette filter plugs
3128680Method of forming cigarette filter
3039908Method of making a tobacco smoke filter
3025861Nonchanneling tobacco smoke filament filter
2954036Cellulosic sheet and filter, and process therefor
2916038Tobacco smoke filter
2900988Tobacco smoke filter elements