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Serving hundreds of leading biopharmaceutical companies globally:

Cantor Fitzgerald
Colorcon
UBS
Argus Health
Boehringer Ingelheim
Fuji
Express Scripts
Covington
Daiichi Sankyo

Generated: April 19, 2018

DrugPatentWatch Database Preview

Details for Patent: 4,352,803

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Summary for Patent: 4,352,803
Title: Novel naphthyridine derivatives, intermediates thereof, processes for preparation thereof, and use thereof
Abstract:This invention relates to 1,8-naphthyridine compounds of the formula ##STR1## wherein X is a halogen atom especially fluorine atom, R.sub.1 is an ethyl group or a vinyl group, and R.sub.2 is a hydrogen atom or a lower alkyl group, their salts and processes for the preparation of them. The 1,8-naphthyridine compounds and their salts are useful as antibacterial agents and intermediates thereof.
Inventor(s): Matsumoto; Jun-ichi (Takatsuki, JP), Takase; Yoshiyuki (Amagasaki, JP), Nishimura; Yoshiro (Neyagawa, JP)
Assignee: Dainippon Pharmaceutical Co., Ltd. (Osaka, JP) Laboratoire Roger Bellon (Neuilly sur Seine, FR)
Application Number:06/264,824
Patent Claim Types:
see list of patent claims
Composition; Compound; Dosage form; Use;

Drugs Protected by US Patent 4,352,803

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: 4,352,803

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Japan53/104235Aug 25, 1978
Japan53/157939Dec 20, 1978
Japan53/162095Dec 29, 1978

International Patents Family Members for US Patent 4,352,803

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina 223983 ➤ Try a Free Trial
Argentina 225195 ➤ Try a Free Trial
Argentina 227529 ➤ Try a Free Trial
Australia 5004979 ➤ 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:

AstraZeneca
Covington
Mallinckrodt
Baxter
Cantor Fitzgerald
Healthtrust
Express Scripts
Dow
Federal Trade Commission

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