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Polyvinylpyrrolidone for the stabilization of a solid dispersion of the non-crystalline form of rotigotine

DC
  • US 9,925,150 B2
  • Filed: 12/22/2010
  • Issued: 03/27/2018
  • Est. Priority Date: 12/22/2009
  • Status: Active Grant
First Claim
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1. A method for stabilizing rotigotine, the method comprising providing a solid dispersion comprising polyvinylpyrrolidone and a non-crystalline form of rotigotine free base, wherein the weight ratio of rotigotine free base to polyvinylpyrrolidone is about 9:

  • 4.

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