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US 5,643,957 AGranted
Compounds and compositions for delivering active agents
AssigneeEmisphere Technologies, Inc.
InventorsAndrea Leone-Bay, Duncan R. Paton, Koc-Kan Ho, Frenel DeMorin
Life of this patent
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Abstract
Modified amino acid compounds useful in the delivery of active agents are provided. Methods of administration and preparation are provided as well.
Claims18
A compound selected from the group consisting of ##STR8## or salts thereof.
A poly amino acid comprising at least one compound selected from the group consisting of ##STR9## or salts thereof.
Dependencies are inferred from the claim text.