Controlled release delivery device for pharmaceutical agents...

Details Controlled release delivery device for pharmaceutical agents... Controlled release delivery device for pharmaceutical agents...

2006-08-15

2006-08-15

Webman, Edward J. (Department: 1616)

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Matrices

C424S425000, C424S468000, C424S499000, C514S961000

Reexamination Certificate

active

07090867

ABSTRACT:
The present invention provides a controlled release device for sustained or pulsatile delivery of pharmaceutically active substances for a predetermined period of time. This invention further provides such device in which sustained or pulsatile delivery is obtained by the unique blend and intimate mixture of pharmaceutically active substances with a microbial polysaccharide and uncrosslinked linear polymer and optionally a crosslinked polymer and/or lipophillic polymer and/or saturated polyglycolyzed glyceride. The invention also provides a process for the manufacture of such devices and pharmaceutical compositions containing the same.

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patent: 5472711 (1995-12-01), Baichwal

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