Patent ID: 8927755
Filing Date: 2015-01-06
Classification: C07F

Abstract:
1. Type I crystal of L-alpha-glyceryl phosphoryl choline, wherein an onset temperature is 147° C. and an absorption peak is 150° C. in a differential scanning calorimetry (DSC) analysis, wherein 2Θ-diffraction angles of a diffraction pattern are 9/8±0.2°, 12.0±0.2°, 14.3±0.2°, 15.8±0.2°, and 19.6±0.2° in an X-ray diffraction (XRD) analysis, and wherein the Type I crystal of L-alpha-glyceryl phosphoryl choline, as an anhydride, has a tetrahedral structure of a tetragonal system.