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Serving leading biopharmaceutical companies globally:

Johnson and Johnson
Queensland Health
Boehringer Ingelheim
Fuji
Dow
Moodys
Cantor Fitzgerald
Colorcon
Medtronic
Baxter

Generated: February 22, 2018

DrugPatentWatch Database Preview

Details for Patent: 5,053,407

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

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Foreign Priority and PCT Information for Patent: 5,053,407

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Japan60-134712Jun 20, 1985
Japan60-226499Oct 11, 1985
Japan61-16496Jan 28, 1986

International Patents Family Members for US Patent 5,053,407

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria 85057 ➤ Try a Free Trial
Australia 585995 ➤ Try a Free Trial
Australia 5912386 ➤ Try a Free Trial
Bulgaria 60527 ➤ Try a Free Trial
Canada 1304080 ➤ Try a Free Trial
Germany 19875012 ➤ Try a Free Trial
Germany 3687599 ➤ Try a Free Trial
Denmark 170473 ➤ Try a Free Trial
Denmark 175312 ➤ Try a Free Trial
Denmark 285086 ➤ Try a Free Trial
Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration

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Serving hundreds of leading biopharmaceutical companies globally:

Fish and Richardson
McKesson
McKinsey
Baxter
UBS
Covington
Chinese Patent Office
Citi
Medtronic

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