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ENTERIC COATED PARTICLES CONTAINING AN ACTIVE INGREDIENT

  • US 20070292510A1
  • Filed: 06/18/2007
  • Published: 12/20/2007
  • Est. Priority Date: 06/19/2006
  • Status: Abandoned Application
First Claim
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1. An enterically coated particle comprising a) a particle core containing an active ingredient;

  • b) a first layer that substantially covers the core and has a surface; and

    c) a second layer on the surface of the first layer, wherein the first layer has a Tg less than about 40°

    C. and the second layer has a Tg greater than about 56°

    C.

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