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:
Nov. 13, 2018
Filed:
Sep. 20, 2017
Applicant:
Shionogi & Co., Ltd., Osaka-shi, Osaka, JP;
Inventors:
Yukihito Sumino, Osaka, JP;
Moriyasu Masui, Osaka, JP;
Daisuke Yamada, Osaka, JP;
Fumiya Ikarashi, Osaka, JP;
Kazuya Okamoto, Osaka, JP;
Assignee:
SHIONOGI & CO., LTD., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 487/04 (2006.01); C07D 498/14 (2006.01); C07D 213/80 (2006.01); A61K 31/5365 (2006.01);
U.S. Cl.
CPC ...
C07D 498/14 (2013.01); A61K 31/5365 (2013.01); C07D 213/80 (2013.01); C07B 2200/13 (2013.01);
Abstract
A crystalline methyl (4R,12aS)-7-(benzyloxy)-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1',2′:4,5] pyrazino[2,1-b][1,3]oxazine-9-carboxylate of the formula (U2):