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    • 9. 发明专利
    • Stacked deodorizing filter media
    • JP3542468B2
    • 2004-07-14
    • JP24040497
    • 1997-08-21
    • 日本バイリーン株式会社
    • 達郎 中村隆博 横山聡士 熊谷
    • B01D53/04A61L9/16B01D39/16B01J20/22B01J20/28
    • PROBLEM TO BE SOLVED: To provide at least two kinds of deodorizing powders and granules with different functions and to realize high efficiency at low pressure loss by carrying only one kind of the deodorizing powder and granule on one laminated unit and laminating and integrating them. SOLUTION: A web 17 constituting a deodorizing filter medium consists of connecting parts 19 and resin agglomerates 21 and both parts are constituted of a hot melt resin. In addition, for a laminated unit 23 and a laminated unit 25, the first deodorizing powder and granule 11 and the second deodorizing powder and granule 13 are respectively independently bonded on one laminated unit and the deodorizing powders and granules 11 and 13 provided on each laminated unit are bonded and carried under non-contact condition through the resin agglomerates 21. Therefore, when an odorizing substance shown by an arrow mark A is passed through a filter medium, it is brought into successive contact with both the second powder and granule 13 and the first powder and granule 11 which are mutually separated from each other and have no possibility of deactivation to obtain an efficient deodorizing effect under extremely low pressure loss.