Patent ID: 9133217
Filing Date: 2015-09-15
Classification: A61K,A61P,C07B,C07D,Y02A

Abstract:
1. A rifaximin polymorph Form Xi or a salt, or hydrate form thereof, having an X-ray powder diffraction comprising peaks, in terms of 2Θ, at two or more of: about 5.73, about 6.57, about 6.85, about 7.07, about 7.86, about 8.26, about 8.98, about 9.86, about 12.60, about 13.34, about 14.17, about 14.49, about 15.46, about 16.45, about 16.96, about 17.78, about 19.19, about 20.37, about 20.66, about 21.33, about 21.86 and about 22.88.