Patent ID: 8742172

Claim:
Polymorphic Form A of N-[4-(trifluoromethyl)benzyl]-4-methoxybutyramide of formula: having the following peaks at the diffraction degrees (2-theta) in the X-ray powder diffraction pattern ±0.2: 9.7; 12.0; 18.0; 24.1; 25.9,with I/I 0 ratios as characterized in the following Peak 2-theta Intensity (cps) I/I 0 1 6.0 4082 40 2 9.7 797 8 3 11.0 640 7 4 12.0 8297 80 5 17.6 2032 20 6 18.0 2173 21 7 18.7 2658 26 8 18.9 3293 32 9 19.6 919 9 10 20.7 7158 69 11 21.6 2730 27 12 22.2 2601 26 13 23.4 3261 32 14 24.1 10380 100 15 24.7 1663 17 16 25.9 5534 54 17 26.2 1771 18 18 28.2 1889 19.