The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 03, 2017
Filed:
Dec. 04, 2015
Applicant:
Impax Laboratories, Inc., Hayward, CA (US);
Inventors:
Assignee:
Impax Laboratories, Inc., Hayward, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/185 (2006.01); A61K 9/24 (2006.01); A61K 9/26 (2006.01); A61K 47/12 (2006.01); A61K 9/16 (2006.01); A61K 9/20 (2006.01); A61K 9/28 (2006.01); A61K 9/50 (2006.01); A61K 31/137 (2006.01); A61K 31/198 (2006.01); A61K 45/06 (2006.01); C07C 229/36 (2006.01); A61K 9/00 (2006.01); A61K 31/197 (2006.01); A61K 47/34 (2006.01); A61K 47/38 (2006.01);
U.S. Cl.
CPC ...
A61K 47/12 (2013.01); A61K 9/0002 (2013.01); A61K 9/1652 (2013.01); A61K 9/2013 (2013.01); A61K 9/2054 (2013.01); A61K 9/2077 (2013.01); A61K 9/2086 (2013.01); A61K 9/2846 (2013.01); A61K 9/5026 (2013.01); A61K 9/5084 (2013.01); A61K 31/137 (2013.01); A61K 31/197 (2013.01); A61K 31/198 (2013.01); A61K 45/06 (2013.01); A61K 47/34 (2013.01); A61K 47/38 (2013.01); C07C 229/36 (2013.01);
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.