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:
Oct. 15, 2019
Filed:
Mar. 17, 2016
Applicant:
Nippon Chemiphar Co., Ltd., Tokyo, JP;
Inventors:
Hiroshi Nagase, Ibaraki, JP;
Hideaki Fujii, Tokyo, JP;
Akiyoshi Saitoh, Tokyo, JP;
Eriko Nakata, Saitama, JP;
Masaaki Hirose, Saitama, JP;
Isao Ooi, Saitama, JP;
Kohei Hayashida, Saitama, JP;
Assignee:
NIPPON CHEMIPHAR CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 471/08 (2006.01); A61K 31/485 (2006.01);
U.S. Cl.
CPC ...
C07D 471/08 (2013.01); A61K 31/485 (2013.01);
Abstract
A morphinan derivative represented by the following general formula (I): (wherein Rrepresents hydrogen, Calkyl, cycloalkylalkyl where the cycloalkyl moiety has 3 to 6 carbon atoms, and the alkylene moiety has 1 to 5 carbon atoms, etc.,