MICRO-NEEDLE DEVICE AND PREPARATION METHOD
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United States of America Patent
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Issued Date -
Feb 14, 2013
app pub date -
Feb 24, 2011
filing date -
Feb 24, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention provides a micro-needle device that includes a substrate, a micro-needle provided on the substrate, and a physiologically active composition deposited on the micro-needle and/or the substrate. In the micro-needle device, the physiologically active composition contains: at least one polyhydric alcohol selected from glycerin, ethylene glycol, propylene glycol and 1,3-butylene glycol; and a physiologically active substance, and contains substantially no water.
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