Title:
Cigarette filter element containing certain hexahydrotriazines for the selective removal of acrolein
United States Patent 3349779


Inventors:
Leonard, Ray E.
Kiefer, John E.
Application Number:
US48292565A
Publication Date:
10/31/1967
Filing Date:
08/26/1965
Assignee:
EASTMAN KODAK CO
Primary Class:
Other Classes:
131/342
International Classes:
A24D3/14
View Patent Images:
US Patent References:
2815760Tobacco smoke filter1957-12-10
1402693Explosive1922-01-03