Matrix for sustained, invariant and independant release of active compounds

Matrix for sustained, invariant and independant release of active compounds

  • CN 1,935,138 B
  • Filed: 04/04/2003
  • Issued: 04/11/2012
  • Est. Priority Date: 04/05/2002
  • Status: Active Grant
First Claim
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1. 5 be used for treating the purposes of the oral sustained releasing type pharmaceutical composition of the pruritus that obstipation that opium appearance brings out or opium appearance bring out in preparation to 20 milligrams of naloxones,It is characterized in that said pharmaceutical composition comprises the pharmaceutical composition of stable storing;

  • It comprises naloxone in diffusion substrate;

    Wherein the essential release characteristics of this substrate by ethyl cellulose and at least stearyl alcohol confirm that and naloxone disengages from said diffusion substrate with constant mode continuing.

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