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Details for Patent: 4,900,755

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Summary for Patent: 4,900,755

Title: Controlled release combination of carbidopa/levodopa
Abstract:A matrix or monolithic drug delivery system for the controlled release of carbidopa and levodopa consists of the two drugs uniformly dispersed in a polymer vehicle at a concentration that is greater than the solubility of either drug in the polymer. Treatment of parkinsonism with the controlled release formulation provides several advantages over treatment with the standard carbidopa/levidopa combinations presently employed.
Inventor(s): Dempski; Robert E. (Dresher, PA), Scholtz; Edward C. (King of Prussia, PA), Nibbelink; Donald W. (Lansdale, PA), Reines; Scott A. (New Hope, PA)
Assignee: Merck & Co. (Rahway, NJ)
Application Number:07/315,057
Patent Claim Types:
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Formulation; Compound; Dosage form;

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International Patent Family for Patent: 4,900,755

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Hong Kong56191<subscribe>
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
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