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US Patent 9463246 Controlled release formulations of levodopa and uses thereof

Patent 9463246 was granted and assigned to Impax Laboratories on October, 2016 by the United States Patent and Trademark Office.

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Patent
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Patent attributes

Patent Applicant
Impax Laboratories
Impax Laboratories
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Current Assignee
Impax Laboratories
Impax Laboratories
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
94632460
Patent Inventor Names
Laman Lynn Alani0
Ann Hsu0
Jim H. Kou0
Date of Patent
October 11, 2016
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Patent Application Number
140308130
Date Filed
September 18, 2013
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Patent Primary Examiner
‌
San-Ming Hui
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Patent abstract

The current invention provides a controlled release oral solid formulation of levodopa comprising levodopa, a decarboxylase inhibitor, and a carboxylic acid. Also provided by this invention is multiparticulate, controlled release oral solid formulations of levodopa comprising: i) a controlled release component comprising a mixture of levodopa, a decarboxylase inhibitor and a rate controlling excipient; ii) a carboxylic acid component; and iii) an immediate release component comprising a mixture of levodopa and a decarboxylase inhibitor.

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