Injectable, long-acting microparticle formulation for the delivery of anti-inflammatory agents
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United States of America Patent
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Sep 17, 1985
Issued Date -
N/A
app pub date -
Apr 30, 1984
filing date -
Jul 29, 1982
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An anti-inflammatory agent containing microparticle composition prepared by a process, comprising (a) dissolving or dispersing an anti-inflammatory agent in a solvent and dissolving a biocompatible and biodegradable wall forming material in said solvent; (b) dispersing said solvent containing said anti-inflammatory agent and wall forming material in a continuous phase processing medium; (c) evaporating a portion of said solvent from said dispersion of step (b), thereby forming microparticles containing said anti-inflammatory agent in the suspension; and (d) extracting the remainder of the solvent from said microcapsules.
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