发明名称 |
METERED DOSE VALVES AND DISPENSERS |
摘要 |
A metered dose valve for use in a pressurized metered dose dispenser for dispensing a metered dose of an aerosol formulation comprising particles of a medicament suspended in liquefied propellant, optionally in combination with one or more excipients, said valve comprising a metering chamber and at least one porous, fluid permeable, particulate semi-permeable body, said at least one porous body being positioned within a region of the interior conduit of the valve, for example within the metering chamber, or a pre-metering chamber and/or an internal channel upstream of the metering chamber. |
申请公布号 |
WO2008049107(A1) |
申请公布日期 |
2008.04.24 |
申请号 |
WO2007US81933 |
申请日期 |
2007.10.19 |
申请人 |
3M INNOVATIVE PROPERTIES COMPANY;JINKS, PHILIP A.;PURKINS, GRAHAM R.;HODSON, PETER D.;HANSEN, PAUL E. |
发明人 |
JINKS, PHILIP A.;PURKINS, GRAHAM R.;HODSON, PETER D.;HANSEN, PAUL E. |
分类号 |
A61M11/00;A61M15/00 |
主分类号 |
A61M11/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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