Upgrade to enjoy subscriber-only features like email alerts and data export. See the Plans and Pricing

Serving leading biopharmaceutical companies globally:

Daiichi Sankyo
US Army
Boehringer Ingelheim
Queensland Health

Generated: December 11, 2017

DrugPatentWatch Database Preview

Details for Patent: 5,880,283

« Back to Dashboard

Summary for Patent: 5,880,283

Title: 8-alkoxyquinolonecarboxylic acid hydrate with excellent stability and process for producing the same
Abstract:The invention provides 1-cyclopropyl-6-fluoro-1,4- dihydro-8-methoxy-7-(3-methyl-1-piperazinyl)-4-oxo-3- quinolinecarboxylic acid sesquihydrate with excellent stability represented by a following formula (1), ##STR1## and process for producing the same.
Inventor(s): Matsumoto; Toyomi (Kamiina-gun, JP), Hara; Masamoto (Okaya, JP), Miyashita; Kunio (Okaya, JP), Kato; Yukihiro (Okaya, JP)
Assignee: Kyorin Pharmaceutical Co., Ltd. (Tokyo, JP)
Application Number:08/860,325
Patent Claim Types:
see list of patent claims
Compound; Process;

No matches for this query

Foreign Priority and PCT Information for Patent: 5,880,283

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Japan6-335569Dec 21, 1994
PCT Information
PCT FiledDecember 05, 1995PCT Application Number:PCT/JP95/02477
PCT Publication Date:June 27, 1996PCT Publication Number: WO96/19472

International Patent Family for Patent: 5,880,283

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Australia3994695► Subscribe
Canada2208704► Subscribe
China1171108► Subscribe
China1137890► Subscribe
Germany69526453► Subscribe
Denmark0805156► Subscribe
European Patent Office0805156► Subscribe
Australia694946► Subscribe
Austria216381► Subscribe
Spain2173982► Subscribe
This preview shows a limited data set
Subscribe for full access, or try a Trial

The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

Export unavailable in trial.
Subscribe for complete access.

For more information try a trial or see the database preview and plans and pricing

Serving leading biopharmaceutical companies globally:

Johnson and Johnson
Express Scripts
US Army

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. thinkBiotech performs no independent verifification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.

Copyright 2002-2017 thinkBiotech LLC
ISSN: 2162-2639

Secure SSL Encrypted
Privacy and Cookies
Terms & Conditions

Follow DrugPatentWatch: