Patent ID: 7358240

Claim:
A δ-crystalline form of ivabradine hydrochloride of formula (I): exhibiting essentially the following powder X-ray diffraction data, measured using a PANalytical X'Pert Pro diffractometer together with an X'Celerator detector and expressed in terms of line position (Bragg's angle 2 theta, expressed in degrees), line height (expressed in counts), line area (expressed in counts × degrees), line width at half-height (“FWHM”, expressed in degrees) and interplanar distance d (expressed in Å): Angle 2 Area Line theta Height (counts × FWHM Interplanar no. (degrees) (counts) degrees) (degrees) distance (Å) 1 4.1 1115 110 0.1004 21.753 2 6.8 183 145 0.8029 12.907 3 8.4 755 75 0.1004 10.531 4 10.9 1104 128 0.1171 8.087 5 12.2 195 19 0.1004 7.268 6 14.3 569 75 0.1338 6.214 7 14.7 1847 274 0.1506 6.013 8 15.3 1734 315 0.184 5.802 9 16.3 1164 154 0.1338 5.442 10 16.8 3420 734 0.2175 5.269 11 17.5 790 78 0.1004 5.069 12 17.9 3389 503 0.1506 4.960 13 19.2 2467 407 0.1673 4.635 14 19.8 145 29 0.2007 4.477 15 20.4 313 52 0.1673 4.362 16 21.2 928 169 0.184 4.198 17 21.7 2093 414 0.2007 4.099 18 22.2 3850 635 0.1673 4.007 19 22.5 576 76 0.1338 3.948 20 23.1 1588 236 0.1506 3.855 21 24.8 1665 247 0.1506 3.594 22 25.2 1212 120 0.1004 3.534 23 25.6 1507 249 0.1673 3.477 24 26.7 2042 303 0.1506 3.342 25 27.6 2281 414 0.184 3.229 26 28.4 485 96 0.2007 3.138 27 29.6 599 99 0.1673 3.014.