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1.发明授权
公开(公告)号：EP0539191B1
公开(公告)日：1995-07-19
申请号：EP92309637.4
申请日：1992-10-21
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2.发明公开Lightweight cigarette filter and cigarettes incorporating such filters 失效Leichtgewichtiges Zigarettenfilter und Zigaretten mit solchen Filtern。
公开(公告)号：EP0539191A1
公开(公告)日：1993-04-28
申请号：EP92309637.4
申请日：1992-10-21
摘要： A lightweight cigarette filter including a filter element containing filter material having a total Denier of less than 35,000 or a bulk density of less than 0.12 gcm⁻³ in which part of the volume of the filter is occupied by a space filler impervious to smoke flow therethrough and the bulk density of which is less than the bulk density of the equivalent amount of filter material which it replaces.
摘要翻译： 一种轻质香烟过滤嘴，包括过滤元件，过滤元件的总旦数小于35,000或堆积密度小于0.12gcm DIVIDED <3>，其中过滤器的一部分被不透水的空间填充物占据 流过其中，其体积密度小于其代替的等效量的过滤材料的体积密度。
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