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:
May. 08, 2018
Filed:
Mar. 20, 2017
Applicants:
University of Tsukuba, Ibaraki, JP;
Nippon Chemiphar Co., Ltd., Tokyo, JP;
Inventors:
Hiroshi Nagase, Tsukuba, JP;
Naoshi Yamamoto, Tsukuba, JP;
Assignees:
University of Tsukuba, Ibaraki, JP;
Nippon Chemiphar Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 491/02 (2006.01); A61K 31/445 (2006.01); C07D 489/02 (2006.01);
U.S. Cl.
CPC ...
C07D 489/02 (2013.01);
Abstract
A morphinan derivative represented by the following formula (I), a tautomer or a stereoisomer of the compound, or a pharmaceutically acceptable salt thereof, or a solvate thereof, and a medicament, an analgesic and an antipruritic drug including the same as an active ingredient: wherein R is selected from hydrogen and Calkyl, and n represents an integer of 0 to 2.