US Patent 8003666 Hydrate for medical purposes

Patent 8003666 was granted and assigned to Daiichi Sankyo on August, 2011 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

Daiichi Sankyo

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

80036660

Patent Inventor Names

Makoto Ono0

Shoko Yoshida0

Date of Patent

August 23, 2011

Patent Application Number

122938270

Date Filed

March 27, 2007

Patent Primary Examiner

‌

Margaret D. Seaman

Patent 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.