Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Tablets – lozenges – or pills
Patent
1998-09-08
2000-02-01
Page, Thurman K.
Drug, bio-affecting and body treating compositions
Preparations characterized by special physical form
Tablets, lozenges, or pills
424463, 424464, 424467, 424468, 424474, 424484, 424486, 424488, A61K 924, A61K 948
Patent
active
060200006
ABSTRACT:
The present invention is directed to an active agent dosage form that is useful for the prolonged delivery of an active agent formulation to a fluid environment of use. The active agent dosage form is a matrix that has an insoluble material circumscribing a portion of the surface of the matrix. The invention is also directed to a method of making the active agent dosage form.
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Dong Liang C.
Edgren David Emil
Ferrari Vincent Joseph
Wong Patrick S.-L.
ALZA Corporatiton
Howard S.
Page Thurman K.
Reister Andrea G.
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