Drug delivery system and method of making the same
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United States of America Patent
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-
Jan 30, 1990
Grant Date -
N/A
app pub date -
Aug 3, 1987
filing date -
Aug 3, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A compatible, biodegradable microcapsule delivery system for active ingredients, including hormonally active peptides, proteins, or other bioactive molecules, and a method of making the same. The ingredients are encapsulated in biodegradable copolymer excipients of varying mole ratios and the blend of the microcapsules are administered to an animal. Delivery of the ingredient occurs over a prolonged period of time at a constant rate as a result of the varying break-down rates of the copolymer excipients.
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