发明名称 Cigarette filter
摘要 A cigarette comprises a blend of tobacco materials and a filter element provided from a non-woven polypropylene web, glycerin and a water soluble tobacco extract. The filter element comprises about 5 to about 55 percent tobacco extract, based on the total weight of the filter material and tobacco extract.
申请公布号 US5076295(A) 申请公布日期 1991.12.31
申请号 US19890414835 申请日期 1989.09.29
申请人 R. J. REYNOLDS TOBACCO COMPANY 发明人 SAINTSING, BARRY L.
分类号 A24D3/08;A24D3/14 主分类号 A24D3/08
代理机构 代理人
主权项
地址