发明名称 Cigarette filter
摘要 This invention relates to a cigarette filter of cellulosic material composed at least partially of modified cellulose modified with at least one fatty acid group containing at least 14 carbon atoms in the molecule selected from the group consisting of a complex compound of a fatty acid containing basic chromium chloride and a melamine resin precondensate containing a fatty acid group.
申请公布号 US4171705(A) 申请公布日期 1979.10.23
申请号 US19760751629 申请日期 1976.12.17
申请人 HOECHST AG 发明人 HOLST, ARNO;KOSTRZEWA, MICHAEL;LASK, HELMUT
分类号 A24D3/10;(IPC1-7):A24B15/02 主分类号 A24D3/10
代理机构 代理人
主权项
地址