EP1134222B1 — IMIDAZO[4,5-b]PYRIDINIUMMETHYL-CONTAINING CEPHEM COMPOUNDS HAVING BROAD ANTIBACTERIAL SPECTRUM
Assigned to Shionogi and Co Ltd · Expires 2005-04-13 · 21y expired
What this patent protects
A cefem compound of the formula (I) shows wide antibacterial spectrum against various pathogenic bacteria including MRSA. <CHEM> wherein, X is N or CY and Y is H or halogen; R<1> is amino or protected amino; R<2> is hydrogen or optionally substituted lower alkyl…
USPTO Abstract
A cefem compound of the formula (I) shows wide antibacterial spectrum against various pathogenic bacteria including MRSA. <CHEM> wherein, X is N or CY and Y is H or halogen; R<1> is amino or protected amino; R<2> is hydrogen or optionally substituted lower alkyl etc.; R<3> is hydrogen etc.; R<4> is hydrogen, optionally substituted lower alkyl, or optionally substituted N-containing heterocyclic group etc.; R<5> is hydrogen etc.; and a wavy line means syn- or anti-isomerism or a mixture thereof.
Drugs covered by this patent
Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.
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