Patent · US Active

Forms of 5-azacytidine

US7772199B2 · kind B2 · utility

20Cited by

13References

2Claims

0Family size

Assignee

CELGENE CORPORATION · US

Inventors

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

Key dates

Filing date	Jul 18, 2006
Grant date	Aug 10, 2010
Priority date	—
Expiry date	Jul 18, 2026

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07H19/12
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The invention provides novel polymorphic and pseudopolymorphic crystalline forms of 5-azacytidine, along with methods for preparing said forms, wherein 5-azacytidine is represented by the formula:The invention also includes pharmaceutical compositions comprising said forms.

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