Tobacco – Smoke separator or treater – By adding constituent to smoke stream
Patent
1990-09-20
1993-01-12
Millin, V.
Tobacco
Smoke separator or treater
By adding constituent to smoke stream
131 844, 131281, 131342, A24D 304
Patent
active
051781662
ABSTRACT:
A filter cigarette comprising a tobacco rod and filter portion comprising a fluted tubular extrusion. The flutes are blocked intermediate the rod end and mouth end of the extrusion. The tobacco rod is circumferentially wrapped with a porous wrapper comprising a longitudinal band of perforations. The fluted tubular extrusion is attached with tipping paper to the tobacco rod. A mouthband and a rodband of perforations circumscribes the tipping paper. A rod of charcoal-impregnated filter material may abut the tubular extrusion.
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Callaham William T.
Claflin Warren E.
Gauvin Paul N.
Gergely Alexander S.
Newsome Reginald W.
Millin V.
Philip Morris Incorporated
Reichard Lynne A.
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