(EN) Patent 586109
Disclosed are polymeric forms of N-[4-(trifluoromethyl)benzyl]-4-methoxybutyramide of Formula (I) having the following peaks at the diffraction degrees (2-theta) in the X-ray powder diffraction pattern plus or minus 0.2: 9.7; 12.0; 18.0; 24.1; 25.9.
Also disclosed is polymeric form B having the following peaks at the diffraction degrees (2-theta) in the X-ray powder diffraction pattern plus or minus 0.2: 11.7; 19.8; 22.3; 23.6.
Further disclosed is the process for making polymorphic forms A and B, a pharmaceutical composition comprising polymorphs A or B and the use of the Forms A and B in the manufacture of a medicament for treating drug addiction and alcoholism and reducing the voluntary consumption of ethyl alcohol in the treatment of abstinences syndrome.