Title:
Tobacco smoke filters
United States Patent 3144025
Inventors:
Erlich, Victor L.
Publication Date:
08/11/1964
Export Citation:
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Assignee:
REEVES BROS INC
Primary Class:
131/332
Other Classes:
19/66T, 28/220, 28/282, 131/341, 156/180, 156/308.4
International Classes:
A24D3/08; A24D3/00
View Patent Images:
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US Patent References:
3836576N/A
2966157Polyolefin tobacco smoke filters
2933154Process for filtering with polytetrafluoroethylene fibers
2818868Polyethylene terephthalate tobacco smoke filter
2812796Apparatus for producing an absorbent element for filters
2812767Absorbent element for filters and the like
2794480Apparatus for the manufacture of filters composed of cellulose acetate
2707308Method of making a filter element
2500282Fibrous products and process for making them
Foreign References:
GB752600A