Fibrous cigarette filters - Patent 2881769

Title:

Fibrous cigarette filters

United States Patent 2881769

US Patent References:
/0964489.html
- - 0964489

Process and means for filtering and cooling the smoke of tobacco pipes
- - 1809529

Cigarette tip
- - 2171770

Tobacco
- - 2331830

Method of making filter units
- - 2476582

Inventors:

Touey, George P.

Publication Date:

04/14/1959

View Patent Images:

PDF help

Export Citation:

Assignee:

EASTMAN KODAK CO

Primary Class:

131/342

Other Classes:

131/345

International Classes:

A24D3/14; B01D39/16; B01D39/18; A24D3/00

US Patent References:

2483406	Process and apparatus for producing fibrous materials
2688380	Filter cartridge
2707308	Method of making a filter element
2721820	Method of making rods
2739913	Tobacco product and method of making said product
2751320	Method of continuous production of rods, tubes, and the like
2761798	Filter for tobacco smoke
2774680	Process for making aerosol filters
2789563	Filter elements

Foreign References: