Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Web – sheet or filament bases; compositions of bandages; or...
Patent
1993-12-09
1996-04-30
Webman, Edward J.
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Web, sheet or filament bases; compositions of bandages; or...
424486, 424435, 424448, A61L 1524, A61K 970, A61K 4732
Patent
active
055122930
ABSTRACT:
This invention pertains to a sustained release delivery device for delivering a beneficial agent into the oral cavity of a patient. More particularly, the invention relates to a device comprising about 0.1% to about 20% by weight beneficial agent, about 40% to about 95% by weight ethylene vinyl acetate copolymer having a vinyl acetate content of about 4% to about 80% and about 1% to about 60% by weight polyvinyl pyrrolidone.
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Campbell Patricia S.
Hall Arthur W.
Harrison Juan M. E.
Landrau Felix A.
ALZA Corporation
Ito Richard T.
Mandell Edward L.
Stone Steven F.
Webman Edward J.
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