Continuous release formulations
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United States of America Patent
Stats
-
Jul 2, 1985
Grant Date -
N/A
app pub date -
Apr 15, 1983
filing date -
Apr 22, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Pharmaceutical compositions comprising a pharmacologically active polypeptide and a pharmacologically or veterinarily acceptable amphipathic, non-cross-linked linear, branched or graft block copolymer, which has a minimum weight average molecular weight of 5,000, in which the hydrophobic component is biodegradable and the hydrophilic component may or may not be biodegradable, the composition being capable of absorbing water to form a hydrogel when placed in an aqueous, physiological-type environment; copolymers suitable for use in said compositions; and method for the manufacture of such copolymers.
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