Organic compounds -- part of the class 532-570 series – Organic compounds – Four or more ring nitrogens in the bicyclo ring system
Reexamination Certificate
2005-09-13
2005-09-13
Shameem, Golam M. M. (Department: 1626)
Organic compounds -- part of the class 532-570 series
Organic compounds
Four or more ring nitrogens in the bicyclo ring system
C544S180000, C544S194000
Reexamination Certificate
active
06943249
ABSTRACT:
The invention includes methods for isolating crystalline Form I of 5-azacytidine substantially free of other forms, wherein 5-azacytidine is represented by the formula:The invention also includes pharmaceutical compositions comprising Form I of 5-azacytidine.
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Blumbergs Peter
Ionescu Dumitru
Silvey Gary L.
Ash Stevens, Inc.
Pharmion Corporation
Shameem Golam M. M.
Swanson & Bratschun LLC
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