CRYSTALLINE FORMS OF BILASTINE AND PREPARATION METHODS THEREOF

摘要

The present invention relates to novel Alpha and Eta crystalline forms of 4-[2-[4-[1-(2-ethoxyethyl)-1H-benzimidazol-2-yl]-1-piperidinyl)ethyl]-±,±-dimethyl-benzeneacetic acid. This invention also relates to methods for the preparation thereof, pharmaceutical compositions that contain them and the use thereof to treat histamine-mediated disease processes and allergic reactions.