Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2007-02-13
2007-02-13
Bernhardt, Emily (Department: 1624)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Heterocyclic carbon compounds containing a hetero ring...
C514S253070, C514S253080, C544S363000
Reexamination Certificate
active
10473039
ABSTRACT:
The invention provides compounds of the general formula:whereinX is selected from the group consisting of oxygen, sulfur and nitrogen-containing groups selected from azine, oxime, hydrazone, aromatic hydrazone, aliphatic hydrazone, semicarbazone, guanidinyl group, and aliphatic or aromatic imines;Y is selected from the group of halogens;R1and R2are independently selected from the group consisting of H, lower alkyl group (of C1up to C6), lower hydroxyalkyl group (of C1up to C6), lower O-alkyl group (of C1up to C6), lower alkylcarbonyl group (of C2up to C6), lower alkyloxycarbonyl group (of C1up to C6), haloalkylcarbonyl group (of C1up to C6), or arylsulfonyl group, and their pharmaceutically acceptable salts.The compounds are useful as active ingredients in pharmaceutical compositions. The invention relates to the use of the said compounds as a medicament, in particular as an antibiotic.
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Bernhardt Emily
Dar Al Dawa Development and Investment Co.
Fitch Even Tabin & Flannery
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