EP0097446A1 — Penicillin derivatives and process for preparation of the same
Assigned to AHP PHARMA BV · Expires 1984-01-04 · 42y expired
What this patent protects
A penicillin derivative represented by the following formula, and a pharmaceutically acceptable salt thereof and ester thereof: <CHEM> wherein R1 and R2 are each the same of different and represent hydrogen atom, trialkylsilyl group, carboxyl group, carboxyl group forming a…
USPTO Abstract
A penicillin derivative represented by the following formula, and a pharmaceutically acceptable salt thereof and ester thereof: <CHEM> wherein R1 and R2 are each the same of different and represent hydrogen atom, trialkylsilyl group, carboxyl group, carboxyl group forming a pharmaceutically acceptable salt or esterified carboxyl group, and a process for preparing the same and a beta -lactamase inhibitor.
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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