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