Carbon-substituted diketopiperazine delivery systems
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United States of America Patent
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Mar 13, 2012
Grant Date -
Sep 24, 2009
app pub date -
May 27, 2009
filing date -
Sep 30, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Compositions useful in the delivery of active agents are provided. These delivery compositions include (a) an active agent; and (b) a carrier of at least one mono-C-substituted or di-C-substituted diketopiperazine. Methods for preparing these compositions and administering these compositions are also provided.
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