Controlled release and taste masking oral pharmaceutical...

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

2006-03-20

2008-08-12

Sheikh, Humera N (Department: 1618)

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Tablets, lozenges, or pills

C424S451000, C424S464000, C424S465000, C424S469000, C424S470000

Reexamination Certificate

active

07410652

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.

REFERENCES:
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patent: 6190692 (2001-02-01), Busetti et al.
patent: 6368635 (2002-04-01), Akiyama et al.
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patent: 0 514 008 (1992-11-01), None
patent: 0 514 008 (1992-11-01), None
patent: 935639 (1963-09-01), None
patent: 96/13273 (1996-05-01), None
patent: WO 99/11245 (1999-03-01), None
patent: WO 99/17752 (1999-04-01), None

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