Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2007-07-24
2007-07-24
Berch, Mark L. (Department: 1624)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Heterocyclic carbon compounds containing a hetero ring...
C540S347000
Reexamination Certificate
active
10399704
ABSTRACT:
An oxapenem compound which is, or is capable of forming, a zwitterion of formulawherein R is a C1-C8branched or straight chain alkyl group which is substituted by a protonated nitrogen base. The compounds find particular use as high bioavailability β-lactamase inhibitors.
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Pfaendler Hans Rudolf
Simpson Iain Nelson
Amura Limited
Berch Mark L.
Edwards Angell Palmer & & Dodge LLP
Loren Ralph A.
Williams Kathleen M.
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