Patents Assigned to Sandoz A/S
  • Novel Polymorphs Of The Potassium Salt Of Atorvastatin
    Publication number: 20080033032
    Abstract: Novel polymorphs Forms I, II and III of the potassium salt of Atorvastatin, (?R,?R)-2-(p-fluorophenyl)-?, ?-dihydroxy-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrole-1-heptanoic acid, are obtained directly by precipitation of the potassium salt of Atorvastatin with ethanol (polymorph I), with 1-propanol (polymorph II) and by recrystallisation of polymorph I from 2-propanol (polymorph III).
    Type: Application
    Filed: August 26, 2005
    Publication date: February 7, 2008
    Applicant: Sandoz A/S
    Inventors: Frederik Beck, Erik Fischer