Title:
Tobacco smoke filters
United States Patent 3144025

Inventors:
Erlich, Victor L.
Publication Date:
08/11/1964
View Patent Images:
Assignee:
REEVES BROS INC
Primary Class:
Other Classes:
131/341, 19/66T, 156/308.400, 28/282, 28/220, 156/180
International Classes:
A24D3/08; A24D3/00
US Patent References:
2818868Polyethylene terephthalate tobacco smoke filter
3836576
2933154Process for filtering with polytetrafluoroethylene fibers
2966157Polyolefin tobacco smoke filters
Foreign References:
GB752600A