Organic compounds -- part of the class 532-570 series – Organic compounds – Nitrogen attached directly or indirectly to the purine ring...
Reexamination Certificate
2008-03-12
2011-11-01
Kosar, Andrew D (Department: 1622)
Organic compounds -- part of the class 532-570 series
Organic compounds
Nitrogen attached directly or indirectly to the purine ring...
C544S389000, C544S390000, C544S391000
Reexamination Certificate
active
08049011
ABSTRACT:
The present invention describes a novel process for the preparation of levocetirizine and pharmaceutically acceptable acid addition salts thereof using diglycolic acid or derivatives thereof and new intermediates used in that process.
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Kolenc Ivanka
Pavlin Darja
Pecavar Anica
Tihi Jaroslav
Zupet Rok
Kosar Andrew D
KRKA Tovarna Zdravil, D.D., Novo Mesto
Leeser Erich A
Swanson & Bratschun L.L.C.
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