Banded prolonged release active agent dosage form

Details Banded prolonged release active agent dosage form Banded prolonged release active agent dosage form

1996-06-27

1997-09-16

Page, Thurman K.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Tablets, lozenges, or pills

424464, 424467, 424468, 424473, 424484, 424486, 424463, A61K 924, A61K 944, A61K 922

Patent

active

056678045

ABSTRACT:
The present invention is directed to an active agent dosage form which 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 on its surface two or more insoluble bands. The invention is also directed to the method for making the active agent dosage form.

REFERENCES:
patent: 4290426 (1981-09-01), Luschen et al.
patent: 5256440 (1993-10-01), Appel et al.

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