Osmotic device with delayed activation of drug delivery

Details Osmotic device with delayed activation of drug delivery Osmotic device with delayed activation of drug delivery

1992-01-10

1993-06-29

Page, Thurman K.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Tablets, lozenges, or pills

424453, 6048921, A61K 924

Patent

active

052232654

ABSTRACT:
The present invention is directed to a fluid-imbibing drug delivery device which is useful for the initial delayed delivery of an active agent formulation to a fluid environment of use, the initial delay period to startup or activation being of a predetermined length of time. The delivery of the agent formulation from the dispensing device, once begun, is continued over a predetermined prolonged period of time.

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