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Patent No: US6852344 [USA] Application No: 10/207039
Title: Herbal composition for treating CD33+ acute and chronic myeloid leukemia and a method thereof
Issue Date: 08-02-2005 File Date: 30-07-2002
Inventor(s): SANTU BANDYOPATHYAY, BIKASH PAL, SAMIR BHATTACHARYA, MITALI RAY, KESHAB CHANDRA ROY
IPC Classification: A61K 035//78
Abstract:
A method of treating CD33+ acute and chronic myeloid leukemia in animals including humans, using fraction nos. 1 and 9 obtained from water:methanol fraction by column chromatography, with ratio of water and methanol ranging between 1:5 to 5:1, wherein said water:methanol fraction is obtained from the polar extract of Piper betel by HPLC, with retention time of 3.6 and 24.0 minutes respectively, with the fractions used both individually, and in combination, and a composition including the fraction nos. 1 and 9.

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