Patents Represented by Attorney, Agent or Law Firm Schrader Harrison Segal & Lewis LLP
  • Patent number: 6168805
    Abstract: A process for preparing solid, amorphous paroxetine comprising: (A) mixing paroxetine free base or a pharmaceutically acceptable paroxetine salt with water and pharmaceutically acceptable polymer; and (B) drying to form a composition comprising amorphous paroxetine and polymer, eliminating the need for organic solvents common for the solvent process. The resultant amorphous solid paroxetine composition is free from crystalline form, and yet has good handling properties, making it suitable for pharmaceutical use in the traditional tablet dosage form.
    Type: Grant
    Filed: May 7, 1998
    Date of Patent: January 2, 2001
    Assignee: Endo Pharmaceuticals, Inc.
    Inventors: William A. Hein, II, Sou-Chan Chang, Huai-Hung D. Kao