Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Reexamination Certificate
2009-02-25
2011-11-29
Kifle, Bruck (Department: 1622)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
C540S456000
Reexamination Certificate
active
08067429
ABSTRACT:
The present invention relates to Rifaximin polymorphic, salt, hydrate, and amorphous forms, to their use in medicinal preparations and to therapeutic methods using them.
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Gushurst Karen S.
Houston Travis L.
Roe Melanie
Schultheiss Nathan
Stults Jeffrey S.
Kifle Bruck
McCarter & English LLP
Salix Pharmaceuticals, Ltd.
Sparks Jonathan M.
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