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.

Date of Patent:
Mar. 06, 2018

Filed:

Oct. 19, 2012
Applicant:

Takeda Pharmaceutical Company Limited, Chuo-ku, Osaka-shi, Osaka, JP;

Inventors:

Yutaka Tanoue, Osaka, JP;

Yusuke Murakawa, Osaka, JP;

Yumiko Ishii, Osaka, JP;

Kaoru Takenaka, Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/4439 (2006.01); A61K 9/20 (2006.01);
U.S. Cl.
CPC ...
A61K 31/4439 (2013.01); A61K 9/2018 (2013.01); A61K 9/2031 (2013.01); A61K 9/2054 (2013.01);
Abstract

Provided is a sustained-release preparation containing pioglitazone or a salt thereof as an active ingredient and showing superior sustainability. A sustained-release preparation containing pioglitazone or a salt thereof, which shows a dissolution ratio of pioglitazone of average 25-58% at the 2-hour time point, and average 60-100% at the 4-hour time point, in a dissolution test according to the 50 rpm USP Paddle Method and using pH 2.0 KCl/HCl buffer at 37° C. as a test solution.


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