Title:
Filter elements
United States Patent 3418187
Inventors:
Frank, Reeder
Adam, Dziuba Wladyslaw
Publication Date:
12/24/1968
Export Citation:
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Assignee:
COURTAULDS LTD
Primary Class:
156/180
Other Classes:
131/343, 156/283
International Classes:
A24D3/02; A24D3/10; B01D39/18; A24D3/00; B01D39/18
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US Patent References:
3347247Tobacco smoke filter
3297041Tobacco smoke filter or the like
3039908Method of making a tobacco smoke filter
3021242Bonding additives onto filament filters
3017309Method for the manufacture of filters composed of cellulose acetate
2964440N/A
2765515Method of making a filter for tobacco smoke




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