Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Implant or insert
Patent
1990-12-27
1994-01-04
Webman, Edward
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Implant or insert
424428, 424433, 424434, 424435, 424436, 424486, 424497, 514912, 514913, 514914, 5147721, 5147725, 5147726, 514952, 427 3, 427212, A61K 916, A61K 958, A61K 910
Patent
active
052758206
ABSTRACT:
Sustained release pharmaceutical compound delivery compositions and methods for their production are disclosed wherein ion exchange resin particles are loaded with releasably bound pharmaceutical compounds prior to incorporation in an erodible polymeric matrix to form microparticulates. The microparticulates are suspended in a fluid medium where the encapsulating polymeric matrix shields the drug loaded ion exchange resin from solvent interaction. Administration to a target tissue site initiations erosion of the polymer matrix and release of the loaded pharmaceutical compound.
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Allergan Inc.
Webman Edward
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