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Pharmaceutical Metered Dose Inhaler and Methods Relating Thereto
专利权人:
Glaxo Group Limited
发明人:
John Francis MILLER,Mark Lee SOMMERVILLE,Robert David SCHULTZ
申请号:
US15016421
公开号:
US20160151588A1
申请日:
2016.02.05
申请国别(地区):
US
年份:
2016
代理人:
摘要:
Metering valves for use in a metered dose inhaler that include a valve body, a first stem seal including a first elastomeric material, a second stem seal including a second elastomeric material different from the first elastomeric material, and a valve stem slidably engaged with at least one of the first stem seal and the second stem seal as well as sealed containers configured to contain an aerosol pharmaceutical formulation that include a container having an opening therein, a cap covering the opening in the container, a metering valve adjacent the cap, and a cap seal positioned between the cap and the container to provide a sealed container where the metering valve include at least one stem seal that includes a first elastomeric material, and the cap seal includes a second elastomeric material different from the first elastomeric material are described.
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中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/
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