Patent ID: 7977348

Claim:
A crystalline form of imatinib mesylate characterised by data selected from the group consisting of: a powder XRD pattern with peaks at 6.0, 8.6, 11.4, 14.2, 18.3±0.2 degrees two-theta; a solid-state 13 C NMR spectrum with signals at 159.9, 158.2 and 153.4±0.2 ppm; and a monoclinic unit cell, symmetry space group C 2/c having the parameters at 200 K approximately equal to the following: a=17.3362(9) Å, b=12.7392(6) Å, c=29.3205(10) Å, β=94.994(4), and V=6450.8(5) Å 3 .