Patent ID: 8124644
Filing Date: 2012-02-28
Classification: A61P,C07D

Abstract:
1. A crystalline form carvedilol dihydrogen phosphate (Form N) characterized by data selected from the group consisting of: (a) X-ray powder diffraction reflections at about: 6.0, 6.9, 15.2, 16.3 and 17.4 degrees two theta±0.2 degrees two theta; (b) X-ray powder diffraction reflections at about: 6.0, 6.9, 13.7 15.2 and 18.1 degrees two theta±0.2 degrees two theta; and (c) X-ray powder diffraction reflections at about: 6.0, 6.9, 13.7, 15.2 and 17.4±0.2 degrees two theta±0.2 degrees two theta.