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    • 25. 发明授权
    • Cigarette filter
    • 香烟过滤器
    • US06595218B1
    • 2003-07-22
    • US09868068
    • 2002-01-28
    • Kent B. KollerSusan E. WrennWillie G. Houck, Jr.John B. Paine, III
    • Kent B. KollerSusan E. WrennWillie G. Houck, Jr.John B. Paine, III
    • A24B1500
    • A24D1/02A24B15/282A24D3/14A24D3/166B01D53/34B01D53/72
    • A cigarette filter having a reagent which chemically reacts with and removes a gaseous component of a smoke stream. The reagent contains functional groups covalently bonded to a non-volatile inorganic substrate which is incorporated in the filter. The filter can remove gaseous components such as aldehydes from tobacco smoke. Preferred functional groups are 3-aminopropylsilyl groups covalently bonded to silica gel (APS silica gel). The reagent can be contained in a space in the filter or incorporated in one or more filter elements such as tipping paper, shaped paper insert, mouthpiece plug, solid filter element, or free-flow filter element. The reagent can be part of or coated on paper such as tipping or filter paper or incorporated in non-paper filter elements formed from fibrous materials such as cellulose acetate or polypropylene fibers. Other preferred reagents include aminoethylaminopropylsilyl (AEAPS) silica gel and aminoethylaminoethylaminopropylsilyl (AEAEAPS) silica gel.
    • 一种香烟过滤器,其具有与烟气流的气体成分发生化学反应和除去的物质。 该试剂含有共价结合到过滤器中的非挥发性无机底物的官能团。 过滤器可以从烟草烟雾中去除气体组分,如醛类。 优选的官能团是与硅胶共价结合的3-氨基丙基甲硅烷基(APS硅胶)。 试剂可以包含在过滤器的空间中,或者包含在一个或多个过滤器元件中,例如接装纸,成型纸插入件,接口插塞,固体过滤元件或自由流动过滤元件。 试剂可以是诸如倾翻或滤纸的纸上的一部分或涂布在纸上,或者被加入由诸如醋酸纤维素或聚丙烯纤维的纤维材料形成的非纸过滤元件中。 其它优选的试剂包括氨基乙基氨基丙基甲硅烷基(AEAPS)硅胶和氨基乙基氨基乙基氨基丙基甲硅烷基(AEAEAPS)硅胶。
    • 26. 发明授权
    • Cigarette filter
    • 香烟过滤器
    • US06209547B1
    • 2001-04-03
    • US09181859
    • 1998-10-29
    • Kent B. KollerSusan E. WrennWillie G. Houck, Jr.John B. Paine, III
    • Kent B. KollerSusan E. WrennWillie G. Houck, Jr.John B. Paine, III
    • A24B1500
    • A24D1/02A24B15/282A24D3/14A24D3/166B01D53/34B01D53/72
    • A cigarette filter having a reagent which chemically reacts with and removes a gaseous component of a smoke stream. The reagent contains functional groups covalently bonded to a non-volatile inorganic substrate which is incorporated in the filter. The filter can remove gaseous components such as aldehydes from tobacco smoke. Preferred functional groups are 3-aminopropylsilyl groups covalently bonded to silica gel (APS silica gel). The reagent can be contained in a space in the filter or incorporated in one or more filter elements such as tipping paper, shaped paper insert, mouthpiece plug, solid filter element, or free-flow filter element. The reagent can be part of or coated on paper such as tipping or filter paper or incorporated in non-paper filter elements formed from fibrous materials such as cellulose acetate or polypropylene fibers.
    • 一种香烟过滤器,其具有与烟气流的气体成分发生化学反应和除去的物质。 该试剂含有共价结合到过滤器中的非挥发性无机底物的官能团。 过滤器可以从烟草烟雾中去除气体组分,如醛类。 优选的官能团是与硅胶共价结合的3-氨基丙基甲硅烷基(APS硅胶)。 试剂可以包含在过滤器的空间中,或者包含在一个或多个过滤器元件中,例如接装纸,成型纸插入件,接口插塞,固体过滤元件或自由流动过滤元件。 试剂可以是诸如倾翻或滤纸的纸上的一部分或涂布在纸上,或者被加入由诸如醋酸纤维素或聚丙烯纤维的纤维材料形成的非纸过滤元件中。