Use of a mixture of two or more enteric materials to...

Details Use of a mixture of two or more enteric materials to... Use of a mixture of two or more enteric materials to...

2011-03-22

2011-03-22

Krass, Frederick (Department: 1612)

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Web, sheet or filament bases; compositions of bandages; or...

C424S471000, C424S464000, C424S468000

Reexamination Certificate

active

07910128

ABSTRACT:
Disclosed are pharmaceutical compositions, particularly oral dosage forms, which comprise two or more enteric coating materials, either as a coating or as part of a matrix dosage form, and methods of making and using the same. The compositions are characterized by having a sustained release profile at lower pH and an accelerated dissolution profile at higher pH.

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