Details for Patent: 5,053,407

Summary for Patent: 5,053,407

Title:	Optically active pyridobenzoxazine derivatives and anti-microbial use
Abstract:	An optically action pyridobenzoxazine derivative, a process for preparing the same and a novel intermediate useful for preparing the optically active pyridobenzoxazine derivative are disclosed. The optically active pyridobenzoxazine derivative possesses increased antimicrobial activity and reduced toxicity. The intermediate is useful for preparing such optically active pyridobenzoxazine derivatives such as Ofloxacin and anolog compounds.
Inventor(s):	Hayakawa; Isao (Tokyo, JP), Atarashi; Shohgo (Tokyo, JP), Imamura; Masazumi (Tokyo, JP), Yokohama; Shuichi (Tokyo, JP), Higashihashi; Nobuyuki (Tokyo, JP), Sakano; Katsuichi (Tokyo, JP), Ohshima; Masayuki (Tokyo, JP)
Assignee:	Daiichi Pharmaceutical Co., Ltd. (Tokyo, JP)
Application Number:	06/876,623
Patent Claim Types: see list of patent claims	Compound; Use;

Drugs Protected by US Patent 5,053,407

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: 5,053,407

Foriegn Application Priority Data
Foreign Country	Foreign Patent Number	Foreign Patent Date
Japan	60-134712	Jun 20, 1985
Japan	60-226499	Oct 11, 1985
Japan	61-16496	Jan 28, 1986

International Family Members for US Patent 5,053,407

Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
European Patent Office	0206283		SPC/GB97/085	United Kingdom
European Patent Office	0206283		C980016	Netherlands
European Patent Office	0206283		98C0041	Belgium
Austria	85057