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Last Updated: April 26, 2024

Details for Patent: 4,528,287

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Summary for Patent: 4,528,287

Title:	6-Fluoro-1, 4-dihydro-4-oxo-7-substituted piperazinylquinoline-3-carboxylic acids and the method for preparing the same
Abstract:	The invention is concerned with the novel piperazinylquinoline-3-carboxylic acids represented by formula (I) ##STR1## or a pharmacologically-acceptable salt thereof, a process for the preparation of them, and a pharmaceutical composition which contains these new compounds as active ingredient and can be used as the therapeutic agent against bacteria.
Inventor(s):	Itoh; Yasuo (Katsuyamashi, JP), Kato; Hideo (Fukuishi, JP), Ogawa; Nobuo (Katsuyamashi, JP), Koshinaka; Eiichi (Katsuyamashi, JP), Suzuki; Tomio (Kamishiimura, JP), Yagi; Noriyuki (Katsuyamashi, JP)
Assignee:	Hokuriku Pharmaceutical Co., Ltd. (Katsuyamashi, JP)
Application Number:	06/651,423
Patent Claim Types: see list of patent claims	Compound; Composition;

Drugs Protected by US Patent 4,528,287

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Patented / Exclusive Use	Submissiondate
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>TE	>Type	>RLD	>RS	>Patent No.	>Patent Expiration	>Product	>Substance	>Delist Req.	>Patented / Exclusive Use	>Submissiondate

Foreign Priority and PCT Information for Patent: 4,528,287

Foriegn Application Priority Data
Foreign Country	Foreign Patent Number	Foreign Patent Date
Japan	58-171271	Sep 19, 1983
Japan	59-45664	Mar 12, 1984
Japan	59-123780	Jun 18, 1984

International Family Members for US Patent 4,528,287

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Austria	34573	⤷ Try a Trial
Australia	3298484	⤷ Try a Trial
Australia	553415	⤷ Try a Trial
Canada	1238638	⤷ Try a Trial
Germany	3433924	⤷ Try a Trial
Denmark	157997	⤷ Try a Trial
Denmark	445084	⤷ Try a Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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