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Cephem derivatives
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Patent number RE35754
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Issue date Mar 24, 1998
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Hoechst Aktiengesellschaft
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Walter Durckheimer
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514 - Drug, bio-affecting and body treating compositions
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Cephem derivatives
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Patent number 5,089,490
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Issue date Feb 18, 1992
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Hoechst Aktiengesellschaft
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Walter Durckheimer
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Cephem derivatives
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Patent number 4,758,556
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Issue date Jul 19, 1988
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Hoechst Aktiengesellschaft
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Walter Durckheimer
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Cephem derivatives
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Patent number 4,399,131
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Issue date Aug 16, 1983
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Hoechst AG.
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Walter Durckheimer
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C07 - ORGANIC CHEMISTRY
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Cephalosporin derivatives
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Patent number 4,293,550
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Issue date Oct 6, 1981
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Hoechst Aktiengesellschaft
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Jurgen Blumbach
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C07 - ORGANIC CHEMISTRY
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Cephem derivatives
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Patent number 4,282,220
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Issue date Aug 4, 1981
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Hoechst Aktiengesellschaft
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Dieter Bormann
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C07 - ORGANIC CHEMISTRY
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Cephem derivative
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Patent number 4,278,793
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Issue date Jul 14, 1981
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Hoechst Aktiengesellschaft
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Walter Durckheimer
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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