Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Capsules
Patent
1989-02-17
1989-09-19
Rose, Shep K.
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Capsules
424462, 424482, 424489, 424490, 424497, 424 80, A61K 916, A61K 932, A61K 952, A61K 3179
Patent
active
048679844
ABSTRACT:
A bead of a drug such as aspirin or acetaminophen formed from a small spheriodal seed particle of the drug or of an inert material coated with an adhesive and layers of drug particles likewise adhered by said adhesive, is provided. The beads may be rendered suitable for time release by coating a plurality of said beads. An 8-12% polyvinylpyrrolidone (PVP) solution may be used as the adhesive, the PVP complexing with aspirin and acetaminophen to reduce irritation of the user. Additionally, a method for manufacturing a drug in small beads having time releasae properties is also provided.
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Kaplan Blum
Patel Nagin K.
Rose Shep K.
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