Modified release dosage form

Details Modified release dosage form Modified release dosage form

2003-03-21

2009-12-22

Hartley, Michael G (Department: 1618)

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Tablets, lozenges, or pills

C424S471000, C424S472000, C424S473000

Reexamination Certificate

active

07635490

ABSTRACT:
The invention provides a dosage form comprising at least one active ingredient, and first core and second cores surrounded by and separated by a shell. The dosage form provides a delay of at least one hour between the initial release of active ingredient contained in said first core and the initial release of active ingredient contained in said second core after contacting of the dosage form with a liquid medium.

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