发明名称 Cigarette filter
摘要 A cigarette filter, including at least two parts, sucessively located in the direction of tobacco smoke flow and joined by a wrapping means, one part of the filter, positioned at the side of the smoker, being made of acetate, cellulose, acetatecellulose fiber, while the other part, positioned at the side of the tobacco, is filled with an adsorbing substance, which substance is lignin.
申请公布号 US5409021(A) 申请公布日期 1995.04.25
申请号 US19930051153 申请日期 1993.04.22
申请人 SAFAEV, RADZHAB D.;ZARIDZE, DAVID G.;SINELNIKOV, LEONID Y. 发明人 SAFAEV, RADZHAB D.;ZARIDZE, DAVID G.;SINELNIKOV, LEONID Y.
分类号 A24D3/14;A24D3/08;A24D3/10;(IPC1-7):A24D3/00 主分类号 A24D3/14
代理机构 代理人
主权项
地址