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:
Sep. 06, 2022

Filed:

Jul. 13, 2018
Applicant:

Daewoong Pharmaceutical Co., Ltd., Hwaseong-si, KR;

Inventors:

Jae Hee Yoon, Yongin-si, KR;

Han Kang, Yongin-si, KR;

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/426 (2006.01); A61K 9/20 (2006.01); A61K 9/28 (2006.01); A61K 9/50 (2006.01); A61K 47/02 (2006.01); A61K 47/12 (2006.01); A61K 47/34 (2017.01); A61K 47/38 (2006.01);
U.S. Cl.
CPC ...
A61K 31/426 (2013.01); A61K 9/2095 (2013.01); A61K 9/2893 (2013.01); A61K 9/5089 (2013.01); A61K 47/02 (2013.01); A61K 47/12 (2013.01); A61K 47/34 (2013.01); A61K 47/38 (2013.01);
Abstract

The present invention relates to a pharmaceutical preparation containing an active ingredient and a release-controlling agent for adjusting the release of the active ingredient, in which the active ingredient is at least one selected from among mirabegron and a pharmaceutically acceptable salt thereof, and the release-controlling agent is a hydrogel-forming polymer, the hydrogel-forming polymer being at least one selected from among polyethylene oxide, hydroxypropyl methyl cellulose, hydroxypropyl cellulose, sodium carboxymethylcellulose, and hydroxyethyl cellulose and having an average molecular weight ranging from 100,000 to 8,000,000. The present invention is capable of suppressing the generation of impurities therein and of effectively controlling the release of at least one selected from among mirabegron and a pharmaceutically acceptable salt thereof.


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