Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Tablets – lozenges – or pills
Patent
1998-07-07
1999-10-19
Page, Thurman K.
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Tablets, lozenges, or pills
424489, 424495, 424497, 424494, A61K 936
Patent
active
059685549
ABSTRACT:
The present invention pertains to a sustained release drug delivery system hich comprises a core of active ingredient, an enteric coating, a second coating of active ingredient and lastly a readily gastric-soluble protective coating. The sustained release dosage form of this invention is useful for pharmaceutically active ingredients that have limited aqueous solubility, especially phenytoin sodium, and other pH dependent soluble drugs.
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patent: 5188836 (1993-02-01), Muhammad et al.
patent: 5229131 (1993-07-01), Amidon et al.
patent: 5238686 (1993-08-01), Eichel
Beiman Elliott
Landsman Fred
Benston, Jr. William E.
Cascade Development, Inc. a subsidiary of Cardinal Health, Inc.
Nickey Donald O.
Page Thurman K.
Steffensmeier Michael D.
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