FENOFIBRIC ACID POLYMORPHS; METHODS OF MAKING; AND METHODS OF USE THEREOF

  • US 20090187040A1
  • Filed: 01/15/2009
  • Published: 07/23/2009
  • Est. Priority Date: 01/18/2008
  • Status: Abandoned Application
First Claim
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1. A method of preparing fenofibric acid Form B, comprising:

  • crystallizing fenofibric acid from a crystallization solution comprising fenofibric acid and a solvent system comprisingi) ethyl acetate;

    ii) methyl ethyl ketone;

    iii) ethyl acetate as a primary solvent and water as an anti-solvent;

    iv) dioxane as a primary solvent and heptane as an anti-solvent;

    orv) tert-amyl alcohol.

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