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Serving hundreds of leading biopharmaceutical companies globally:

Boehringer Ingelheim
Fuji
Mallinckrodt
Fish and Richardson
Chubb
Julphar
Colorcon
UBS
Covington

Generated: May 26, 2018

DrugPatentWatch Database Preview

Details for Patent: 4,832,957

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Summary for Patent: 4,832,957
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/levodopa 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., Inc. (Rahway, NJ)
Application Number:07/223,861
Patent Claim Types:
see list of patent claims
Composition; Formulation; Compound; Dosage form;

Drugs Protected by US Patent 4,832,957

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Patent Submitted
Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Patent Submitted

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Serving hundreds of leading biopharmaceutical companies globally:

Moodys
Cerilliant
UBS
Johnson and Johnson
Queensland Health
Julphar
US Army
Boehringer Ingelheim
Accenture

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