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:
Aug. 23, 2011
Filed:
Mar. 27, 2007
Applicants:
Makoto Ono, Edogawa-ku, JP;
Shoko Yoshida, Edogawa-ku, JP;
Inventors:
Makoto Ono, Edogawa-ku, JP;
Shoko Yoshida, Edogawa-ku, JP;
Assignee:
Daiichi Sankyo Company, Limited, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D 215/38 (2006.01); A61K 31/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to [7-[(7S)-7-amino-7-methyl-5-azaspiro[2.4]heptan-5-yl]-6-fluoro-1-[(1R,2S)-2-fluorocyclopropyl]-8-methoxy-1,4-dihydro-4-oxoquinoline-3-carboxylic acid hemihydrate. This hemihydrate is stable and easy to prepare, and has excellent properties for a pharmaceutical bulk powder.