Controlled release tablet formulation

Details Controlled release tablet formulation Controlled release tablet formulation

1994-03-02

1995-10-17

Page, Thurman K.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Tablets, lozenges, or pills

424473, 424479, 424480, 424481, A61K 922, A61K 930

Patent

active

054588871

ABSTRACT:
The present invention is directed to a controlled release dosage form which may be made using an osmotic core which contains a drug containing phase which includes a water swellable component and a continuous coating which comprises a major amount of a water resistant polymer and a minor amount of a non-toxic, water soluble, pharmaceutically acceptable compound.

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patent: 4880830 (1989-11-01), Rhodes
patent: 4882169 (1989-11-01), Ventouras
patent: 4892742 (1990-01-01), Shah
patent: 4946686 (1990-08-01), McClelland et al.
patent: 5026560 (1991-06-01), Makino et al.
patent: 5051262 (1991-09-01), Panoz et al.
patent: 5120548 (1992-06-01), McClelland et al.

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