Patent ID: 9260389
Filing Date: 2016-02-16
CPC Classification: A61K,A61P,C07D

Claim Text:
1. Crystalline Form I-S of Saxagliptin hydrochloride having a water content of not more than 1.5% w/w and a x-ray powder diffraction pattern comprising peaks at 6.7±0.2, 14.6±0.2, 15.2±0.2, 16.6±0.2 and 17.9±0.2 degrees two-theta and/or having an infrared spectrum comprising peaks at wavenumbers of 2907, 2853, 1637, 1589, 1462, 1391, 1318, 1045, 1014 and 775+/−2 cm-1, wherein the crystalline form is greater than 95% by weight.