Patent · US Active

Pharmaceutical compositions comprising crystal forms of 5-azacytidine

US8211862B2 · kind B2 · utility

14Cited by

24References

40Claims

0Family size

Assignee

Pharmion LLC · US

Inventors

Dumitru Ionescu · Ann Arbor, US
Peter Blumbergs · Royal Oak, US
Gary L. Silvey · Overland Park, US

Key dates

Filing date	Mar 22, 2010
Grant date	Jul 3, 2012
Priority date	—
Expiry date	Jun 18, 2030

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07H19/12
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.