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Generated: December 17, 2017

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Details for Patent: 4,382,892

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Summary for Patent: 4,382,892

Title: Benzoxazine derivatives
Abstract:Pyrido[1,2,3-de][1,4]benzoxazine derivatives are described having the formula (I) ##STR1## wherein X is a halogen atom, R is a hydrogen atom or an alkyl group of 1 to 6 carbon atoms and Z represents mono-substituted, di-substituted or cyclic-substituted amino group which may contain a hetero atom and may have a substituent such as hydroxyl, alkyl having 1 to 6 carbon atoms, amino, hydroxyalkyl having 1 to 6 carbon atoms or mono- or di-alkylamino having 1 to 6 carbon atoms in each alkyl moiety and the pharmaceutically acceptable salt thereof, having antibacterial activity.
Inventor(s): Hayakawa; Isao (Tokyo, JP), Hiramitsu; Tokiyuki (Tokyo, JP), Tanaka; Yoshiaki (Tokyo, JP)
Assignee: Daiichi Seiyaku Co., Ltd. (Tokyo, JP)
Application Number:06/298,816
Patent Claim Types:
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Foreign Priority and PCT Information for Patent: 4,382,892

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Japan55-121540Sep 02, 1980

International Patent Family for Patent: 4,382,892

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria10282► Subscribe
Australia529263► Subscribe
Australia7487881► Subscribe
Bosnia and Herzegovina97190► Subscribe
Canada1167840► Subscribe
Germany3167216► Subscribe
Denmark158267► Subscribe
Denmark204488► Subscribe
Denmark388981► Subscribe
European Patent Office0047005► Subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

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Serving leading biopharmaceutical companies globally:

Johnson and Johnson
Boehringer Ingelheim
Queensland Health

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