Title:
Tobacco smoke filters
United States Patent 3144025
Inventors:
Erlich, Victor L.
Publication Date:
08/11/1964
Assignee:
REEVES BROS INC
Other Classes:
131/341, 19/66T, 156/308.400, 28/282, 28/220, 156/180
International Classes:
A24D3/08; A24D3/00
US Patent References:
| 2818868 | Polyethylene terephthalate tobacco smoke filter | | | |
| 3836576 | | | | |
| 2933154 | Process for filtering with polytetrafluoroethylene fibers | | | |
| 2966157 | Polyolefin tobacco smoke filters | | | |