CIGARETTE

Cigarettes include a filter element which have a gathered web of paper incorporating a carbonaceous material. The paper is gathered so as to include a plurality of longitudinally extending channels, and the channels provide a cross-sectional void area of about 5 to about 30 percent of the filter ele...

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Bibliographische Detailangaben
Hauptverfasser: SHELAR, GARY R, WORRELL, GARY W, BLAKLEY, RICHARD L, GENTRY, JEFFREY S, HEGE, KATHY A, PERFETTI, THOMAS A, DUNLAP, SHARON P, RAKER, MARK L, ARZONICO, BARBARA
Format: Patent
Sprache:eng
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Zusammenfassung:Cigarettes include a filter element which have a gathered web of paper incorporating a carbonaceous material. The paper is gathered so as to include a plurality of longitudinally extending channels, and the channels provide a cross-sectional void area of about 5 to about 30 percent of the filter element.