Method of producing an absorbent element for filters
United States Patent 2813051
US Patent References:
Method and apparatus for making cigarette mouthpieces
- - 2164702
Splicing thread and yarn
- - 2298676
Filamentous product
- - 2399260
Method of making filter units
- - 2476582
Process and apparatus for producing fibrous materials
- - 2483406
Method and apparatus for making cigarette mouthpieces
- - 2164702
Splicing thread and yarn
- - 2298676
Filamentous product
- - 2399260
Method of making filter units
- - 2476582
Process and apparatus for producing fibrous materials
- - 2483406
Inventors:
Richard, Machenry
Publication Date:
11/12/1957
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Export Citation:
Assignee:
AMERICAN VISCOSE CORP
Primary Class:
Other Classes:
156/381, 210/496, 493/46, 156/305, 493/381
International Classes:
A24D3/02; A61F13/20; A24D3/00
US Patent References:
| 2707308 | Method of making a filter element |