Patent ID: 6967248

Claim:
Crystalline form II of meloxicam characterized by having the following values of its infrared spectrum: IR (KBr): V 3104, 2974, 2927, 2880, 2858, 1620, 1603, 1549, 1523, 1455, 1417, 1403, 1349, 1303, 1289, 1270, 1240, 1221, 1182, 1156, 1127, 1119, 1066, 1042, 939, 856, 842, 807, 779, 762, 731, 693, 644, 609, 574, 565, 531, 504, 454 cm −1 ; the following values of its Raman spectrum: 20 (vs), 31 (s), 73 (m), 100 (s), 371 (m), 407 (s), 506 (m), 646 (m), 668 (m), 1121 (s), 1128 (sh), 1155 (s) 1161 (s), 1267 (s), 1310 (vs), 1333 (vs), 1347 (vs), 1359 (vs), 1438 (s), 1476 (s), 1538 (vs), 1557 (vs), 1595 (vs), 1611 (vs); and the following X-ray diffractogram of FIG. 7 .