Composite materials for controlled release of water soluble...

Details Composite materials for controlled release of water soluble... Composite materials for controlled release of water soluble...

2007-05-01

2007-05-01

Wax, Robert A. (Department: 1653)

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Capsules

C424S457000, C424S458000, C424S470000, C424S482000, C514S012200

Reexamination Certificate

active

11034217

ABSTRACT:
Composite materials comprising a water-soluble compound adsorbed onto a basic inorganic material and a bio-degradable polymer which yields acidic degradation products, methods of producing same, and methods of use thereof are described, wherein the composite materials are designed so as to provide controlled release of the water soluble molecule.

REFERENCES:
patent: 5955529 (1999-09-01), Imai et al.
patent: 6767928 (2004-07-01), Murphy et al.
patent: 2002/0086842 (2002-07-01), Plank et al.

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