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:
Jul. 12, 2022
Filed:
Nov. 15, 2018
Applicant:
Nippon Shinyaku Co., Ltd., Kyoto, JP;
Inventors:
Shouji Furuta, Kyoto, JP;
Naoto Hattori, Kyoto, JP;
Assignee:
NIPPON SHINYAKU CO., LTD., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K 31/4965 (2006.01); A61K 9/20 (2006.01);
U.S. Cl.
CPC ...
A61K 31/4965 (2013.01); A61K 9/2009 (2013.01); A61K 9/2013 (2013.01); A61K 9/2027 (2013.01); A61K 9/2054 (2013.01); A61K 9/2059 (2013.01);
Abstract
An object of the present invention is to provide a controlled-release preparation containing 2-{4-[N-(5,6-diphenylpyrazin-2-yl)-N-isopropylamino]butyloxy}-N-(methylsulfonyl)acetamide as an active ingredient and having an excellent release property. Another object of the present invention is to provide a controlled-release preparation characterized by containing 2-{4-[N-(5,6-diphenylpyrazin-2-yl)-N-isopropylamino]butyloxy}-N-(methylsulfonyl)acetamide, a water-soluble polymer, a functional starch, and an alkaline substance, and having a pH of 10 or more.