Powder Composition for nasal administration
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United States of America Patent
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Dec 28, 2004
Grant Date -
N/A
app pub date -
Feb 26, 2001
filing date -
Aug 26, 1998
priority date (Note) -
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Abstract
There is provided a powder composition for nasal administration comprising a drug having a particle size of less than 10 .mu.m or a lyophilized drug, a water-absorbing and water-slightly soluble base material, and a water-absorbing and gel-forming base materials. The composition has excellent drug absorbability.
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