Tobacco – Smoke separator or treater – Plural diverse elements
Patent
1993-07-27
1995-07-25
Bahr, Jennifer
Tobacco
Smoke separator or treater
Plural diverse elements
131338, 131339, A24D 300, A24D 302, A24D 304
Patent
active
054353262
ABSTRACT:
A smoking article having a controlled yield of wet particulate matter and a method of making a smoking article with predetermined total and per puff yields of wet particulate matter. The smoking article has a tobacco rod connected to an air ventilated compound filter having two abutted filter segments, a rod end segment with a passage therethrough and a mouth end segment. The pressure drop of the abutment interface between the segments is selected to be in a range of from about 10 mm to about 100 mm water gauge. The total pressure drop of the filter including the interface and the amount of air dilution can be selected to provide a smoking article with a level per puff yield or a decreasing per puff yield.
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Exhibit A, a handout believed to have been prepared by Hoechst Celanese Corporation, Charlotte, N.C. in about 1980 relating to Constant Delivery Filters.
Exhibit B, a handout believed to have been prepared by Hoechst Celanese Corporation in about 1980, relating to tube in tow filters.
Ashcraft Charles R.
Barnes Russell D.
Blakley Richard L.
Gentry Thomas L.
Gwyn Juanilla M.
Bahr Jennifer
R. J. Reynolds Tobacco Company
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