Modified amino acids and compositions comprising the same for delivering active agents
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United States of America Patent
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Jun 6, 2000
Issued Date -
N/A
app pub date -
Apr 23, 1997
filing date -
Mar 31, 1995
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Abstract
The present invention provides modified amino acids for delivering active agents, and particularly biologically or chemically active agents. The preferred modified amino acids of the present invention include N-acylated or sulfonated amino acids. These modified amino acids are used as carriers to facilitate the delivery of a cargo to a target. Such modified amino acids are well suited to form non-covalent mixtures with biologically-active agents for oral administration to animals. Methods for the preparation and administration of the modified amino acids and compositions including the same are also provided.
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