Patent ID: 7384932

Claim:
A δd-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 x degrees), line width at half-height (“FWHM”, expressed in degrees) and interplanar distance d (expressed in Å): Area Line Angle 2 theta Height (counts × FWHM Interplanar no. (degrees) (counts) degrees) (degrees) distance (Å) 1 4.1 414 41 0.1004 21.672 2 6.8 176 139 0.8029 13.078 3 8.6 1020 101 0.1004 10.305 4 9.1 323 43 0.1338 9.687 5 10.9 224 30 0.1338 8.100 6 11.7 354 47 0.1338 7.592 7 14.6 2774 458 0.1673 6.074 8 15.3 1805 328 0.184 5.800 9 16.6 986 163 0.1673 5.345 10 17.2 3821 946 0.2509 5.153 11 18.1 2290 378 0.1673 4.898 12 19.1 440 73 0.1673 4.649 13 19.6 289 38 0.1338 4.526 14 20.1 650 86 0.1338 4.408 15 20.9 887 146 0.1673 4.252 16 21.4 3112 565 0.184 4.147 17 22.1 1708 254 0.1506 4.027 18 22.5 1191 275 0.2342 3.945 19 23.4 619 102 0.1673 3.800 20 23.9 1343 222 0.1673 3.728 21 24.7 256 34 0.1338 3.604 22 25.6 309 41 0.1338 3.482 23 26.2 1899 313 0.1673 3.397 24 26.9 1588 183 0.1171 3.310 25 27.6 1357 224 0.1673 3.231 26 29.1 140 37 0.2676 3.069 27 29.5 145 29 0.2007 3.023.