Details for Patent: 6,335,447

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Summary for Patent: 6,335,447

Title:	Quinolonecarboxylic acid derivatives or salts thereof
Abstract:	Novel quinolonecarboxylic acid derivatives of general formula (1) or salts thereof which have potent antibacterial effects on gram-positive bacteria in particular Propionibacterium acnes ##STR1## (wherein R.sup.1 represents a hydrogen atom or a carboxyl-protective group; R.sup.2 represents an optionally substituted cycloalkyl group; R.sup.3 represents a hydrogen atom, a halogen atom, an optionally substituted alkyl, alkoxy or alkylthio group, an optionally protected hydroxyl or amino group, or a nitro group; R.sup.4 represents an optionally substituted alkyl or alkoxy group; and Z represents a pyridin-4-yl or pyridin-3-yl group which is optionally substituted with at least one group selected from a halogen atom, an optionally substituted alkyl, alkenyl, cycloalkyl, alkoxy, alkylthio or amino group and an optionally protected hydroxyl or amino group).
Inventor(s):	Hayashi; Kazuya (Toyama, JP), Kito; Tokunori (Toyama, JP), Mitsuyama; Junichi (Toyama, JP), Yamakawa; Tetsumi (Toyama, JP), Kuroda; Hiroshi (Ishikawa, JP), Kawafuchi; Hiroyo (Toyama, JP)
Assignee:	Toyama Chemical Co., Ltd. (Tokyo, JP)
Application Number:	09/647,763
Patent Claim Types: see list of patent claims	Compound;

Drugs Protected by US Patent 6,335,447

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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: 6,335,447

Foriegn Application Priority Data
Foreign Country	Foreign Patent Number	Foreign Patent Date
Japan	10-110146	Apr 6, 1998
Japan	10-340217	Nov 30, 1998

PCT Information
PCT Filed	April 06, 1999	PCT Application Number:	PCT/JP99/01799
PCT Publication Date:	October 14, 1999	PCT Publication Number:	WO99/51588

International Family Members for US Patent 6,335,447

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