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CONTROLLED RELEASE DELIVERY DEVICE COMPRISING AN ORGANOSOL COAT

  • US 20090220613A1
  • Filed: 04/03/2007
  • Published: 09/03/2009
  • Est. Priority Date: 04/03/2006
  • Status: Active Grant
First Claim
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1. A controlled release delivery device for controlled release of an active ingredient comprising:

  • (i) a core particle comprising the active ingredient homogenously dispersed or dissolved therein; and

    (ii) an organosol polymeric coat comprising a homogenous mixture of,(a) a water soluble gel forming polymer and a water insoluble organosoluble polymer in a dry weight ratio of from about 20;

    80 to about 50;

    50,(b) an organosolvent, and(c) an anti-tacking agent;

    the organosol polymeric coat being applied directly to and substantially enveloping the core particle.

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