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:
Feb. 19, 2013
Filed:
Feb. 28, 2012
Applicants:
Yuichiro Tani, Edogawa-ku, JP;
Yutaka Kitagawa, Edogawa-ku, JP;
Makoto Muto, Edogawa-ku, JP;
Toshiaki Jyono, Edogawa-ku, JP;
Inventors:
Yuichiro Tani, Edogawa-ku, JP;
Yutaka Kitagawa, Edogawa-ku, JP;
Makoto Muto, Edogawa-ku, JP;
Toshiaki Jyono, Edogawa-ku, JP;
Assignee:
Daiichi Sankyo Company, Limited, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D 209/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention provides an industrial method for producing a spiroaminopyrrolidone derivative, which is an intermediate for producing a quinolone antibacterial agent.