Patent ID: 8809586
Filing Date: 2014-08-19
Classification: A61K,A61P,C07C

Abstract:
1. A crystalline form comprising R-(−)-modafinil and S-(+)-modafinil in a ratio of about 2:1 characterized by a powder X-ray diffraction pattern comprising one or more of the following peaks: 8.95±about 0.1 degrees 2-theta; 10.17±about 0.1 degrees 2-theta; 11.87±about 0.1 degrees 2-theta; 14.17±about 0.1 degrees 2-theta; 15.11 ±about 0.1 degrees 2-theta; 17.39±about 0.1 degrees 2-theta; 18.31±about 0.1 degrees 2-theta; 20.39±about 0.1 degrees 2-theta; 21.09±about 0.1 degrees 2-theta; 24.21±about 0.1 degrees 2-theta; 26.45±about 0.1 degrees 2-theta.