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公开(公告)号:US4085760A
公开(公告)日:1978-04-25
申请号:US722131
申请日:1976-09-10
申请人: Iwao Toyoshima , Kunio Ishii , Hideo Sawada , Junji Kawamoto , Hiromu Yokota
发明人: Iwao Toyoshima , Kunio Ishii , Hideo Sawada , Junji Kawamoto , Hiromu Yokota
IPC分类号: A24D3/10 , A24B15/027
CPC分类号: A24D3/10
摘要: A tobacco filter comprised of cellulose acetate fibers prepared by contacting cellulose fibers in the solid fiberous state, with a gaseous or liquid acetylating agent.
摘要翻译: 由通过使固体纤维状态的纤维素纤维接触而制备的醋酸纤维素纤维与气态或液态乙酰化剂组成的烟草过滤嘴。