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Details for Patent: 4,935,507

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Summary for Patent: 4,935,507

Title: Crystalline 7-(2-(2-aminothiazol-4-yl)-2-hydroxyiminoacetamido)-3-vinyl-3-cephem-4-c arboxylic acid (syn isomer)
Abstract:The invention relates to crystalline 7-[2-(2-aminothiazol-4-yl)-2-hydroxyiminoacetamido]-3-vinyl-3-cephem-4-car boxylic acid (syn isomer) useful as an antimicrobial agent.
Inventor(s): Takaya; Takao (Kawanishi, JP), Shirai; Fumiyuki (Ikeda, JP), Nakamura; Hitoshi (Mino, JP), Inaba; Yasunobu (Toyonaka, JP)
Assignee: Fujisawa Pharmaceutical Co., Ltd. (Osaka, JP)
Application Number:07/229,489
Patent Claim Types:
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Compound; Formulation;

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Foreign Priority and PCT Information for Patent: 4,935,507

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Japan62-206199Aug 19, 1987

International Patent Family for Patent: 4,935,507

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Canada1297096► subscribe
Germany3853901► subscribe
European Patent Office0304019► 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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