Ultrasonically Bonded Nonwoven Permeable Pouch
    5.
    发明申请
    Ultrasonically Bonded Nonwoven Permeable Pouch 审中-公开
    超声波粘合无纺布透气袋

    公开(公告)号:US20080060741A1

    公开(公告)日:2008-03-13

    申请号:US11470722

    申请日:2006-09-07

    IPC分类号: B32B27/00

    CPC分类号: B32B27/00 Y10T428/31504

    摘要: An article that provides for the controlled release of an active substance is provided. The article features a plurality of polymeric membranes. The plurality of polymeric membranes are ultrasonically bonded to form at least one welded seal defining a bonded compartment hosting at least one active substance, where the ultrasonic welded seal exhibits a controlled positive permeability for the active substance.

    摘要翻译: 提供了一种提供活性物质的控制释放的物品。 该制品具有多个聚合物膜。 多个聚合物膜被超声波接合以形成至少一个焊接的密封件,该焊接密封件限定承载至少一种活性物质的粘合隔室,其中超声波焊接密封件对活性物质显示受控的正磁导率。