Controlled release and taste masking oral pharmaceutical...

Details Controlled release and taste masking oral pharmaceutical... Controlled release and taste masking oral pharmaceutical...

2008-09-15

2011-10-04

Tran, Susan (Department: 1615)

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Tablets, lozenges, or pills

C424S451000, C424S452000, C424S465000, C424S468000, C424S471000, C424S474000

Reexamination Certificate

active

08029823

ABSTRACT:
Controlled release and taste masking compositions containing one or more active principles inglobated in a three-component matrix structure, i.e. a structure formed by successive amphiphilic, lipophilic or inert matrices and finally inglobated or dispersed in hydrophilic matrices. The use of a plurality of systems for the control of the dissolution of the active ingredient modulates the dissolution rate of the active ingredient in aqueous and/or biological fluids, thereby controlling the release kinetics in the gastrointestinal tract.

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