US Patent 9533046 Controlled release formulations of levodopa and uses thereof

Patent 9533046 was granted and assigned to Impax Laboratories on January, 2017 by the United States Patent and Trademark Office.

Overview Structured Data Issues Contributors Activity

Is a

Patent

Patent attributes

Patent Applicant

Impax Laboratories

Current Assignee

Impax Laboratories

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

9533046

Date of Patent

January 3, 2017

Patent Application Number

14958975

Date Filed

December 4, 2015

Patent Primary Examiner

‌

San-Ming Hui

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.