Pharmaceutical compositions containing mixtures of polymers and active agents poorly soluble in water

Pharmaceutical compositions containing mixtures of polymers and active agents poorly soluble in water

  • CN 101,370,480 A
  • Filed: 01/17/2007
  • Published: 02/18/2009
  • Est. Priority Date: 02/03/2006
  • Status: Active Application
First Claim
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1. pharmaceutical composition, this pharmaceutical composition contains by at least a cationic water solublity (methyl) acrylate copolymer, at least a water-insoluble polymer and at least a dissolubility in deionized water are 3.3g/l or the littler formed mixture of active component, it is characterized in that, described water-insoluble polymer and described active component are with the ratio existence of 3.5:

  • 1 weight portions at the most, and this pharmaceutical composition has following character;

    the active component that is contained discharges with finite concentration with dissolved form in the medium that is buffered to pH 1.2, this concentration after pH is 1.2 times 2 hours corresponding to active component separately at least ten six times of 1.2 times solubility values of pH.

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