<p>A cigarette includes a filter element including a carbon-containing paper or a paper containing molecular sieves. The paper contacts the filter material, such as cellulose acetate tow, within the filter element, either by circumscribing the filter material or by being gathered with non-carbon-containing filter material. The paper is useful as a plug wrap for a filter element. In several embodiments, longitudinal grooves are provided on the periphery of the filter element. <IMAGE></p>
申请公布号
EP0628260(A2)
申请公布日期
1994.12.14
申请号
EP19940108740
申请日期
1994.06.08
申请人
R.J. REYNOLDS TOBACCO COMPANY
发明人
GENTRY, JEFFERY SCOTT;WOMBLE, KAREN MARIE;BANERJEE, CHANDRA KUMAR;BLAKLEY, RICHARD LEE;BARNES, RUSSELL D.;CALLESON, DONALD A.;RIDINGS, HENRY T.