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Serving leading biopharmaceutical companies globally:

Argus Health
Boehringer Ingelheim
Daiichi Sankyo
US Department of Justice
Queensland Health

Generated: December 17, 2017

DrugPatentWatch Database Preview

Details for Patent: 4,795,751

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Summary for Patent: 4,795,751

Title: 5-substituted-6,8-difluoroquinolines useful as antibacterial agents
Abstract:The present invention relates to a quinoline derivative of the formula ##STR1## wherein Z is an amino group or a halogen atom, R.sub.1 is a hydrogen atom or a methyl or ethyl group, R.sub.2 is a hydrogen atom or a methyl or fluoromethyl group, R.sub.3 and R.sub.4 are the same or different and each represents a hydrogen atom or a methyl group, and n is 1 or 2; and esters thereof and salts thereof and processes for preparation thereof. These compounds show excellent antibacterial activity and are useful antibacterial agents.
Inventor(s): Matsumoto; Jun-ichi (Ikoma, JP), Miyamoto; Teruyuki (Sakai, JP), Egawa; Hiroshi (Toyonaka, JP), Nakamura; Shinichi (Takatsuki, JP)
Assignee: Dainippon Pharmaceutical Co., Ltd. (Osaka, JP)
Application Number:06/928,297
Patent Claim Types:
see list of patent claims
Compound; Composition; Use;

No matches for this query

Foreign Priority and PCT Information for Patent: 4,795,751

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Japan60-242257Oct 29, 1985
Japan60-285323Dec 17, 1985
Japan61-32627Feb 17, 1986

International Patent Family for Patent: 4,795,751

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Greece3002475► Subscribe
Finland922482► Subscribe
Finland89797► Subscribe
Israel80404► Subscribe
HungaryT43839► Subscribe
Hungary200452► Subscribe
European Patent Office0221463► SubscribeSPC/GB95/012United Kingdom► Subscribe
Finland864299► Subscribe
Finland87457► Subscribe
China1009930► Subscribe
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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.

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Serving leading biopharmaceutical companies globally:

Farmers Insurance
Cantor Fitzgerald

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.

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