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Generated: August 17, 2017

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Title: Carboxyalkenamidocephalosporins
Abstract:An antibacterial 7beta-(carboxyalkenoyl)amino-3-cephem-4-carboxylic acid represented by the following formula: ##STR1## (wherein R is aryl or a heterocyclic group; R.sup.1 is hydrogen or halogen; R.sup.2 is a single bond, alkylene, or thiaalkylene; R.sup.3 is a hydrogen atom or carboxy modifying group; R.sup.4 is hydrogen or methoxy; R.sup.5 is hydrogen or a 3-substituent of cephalosporins; R.sup.6 is a hydrogen atom or carboxy modifying group; and X is oxygen, sulfur, or sulfinyl) a pharmaceutical composition containing the same, and a method for treating a bacterial infection with the same.
Inventor(s): Hamashima; Yoshio (Kyoto, JP)
Assignee: Shionogi & Co., Ltd. (Osaka, JP)
Application Number:06/711,017
Patent Claim Types:
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Compound; Composition; Use;

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Foreign Priority and PCT Information for Patent: ► Subscribe

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Japan58-186601Oct 04, 1983
Japan59-18563Feb 03, 1984
Japan59-100890May 18, 1984

International Patent Family for Patent: ► Subscribe

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Czechoslovakia8509630► Subscribe
Czechoslovakia268528► Subscribe
Czechoslovakia268531► Subscribe
Germany3486259► Subscribe
Czechoslovakia8407528► 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 500+ biopharmaceutical companies globally:

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