Composition of an aqueous solution of polymeric nanoparticles and method for preparing same

Composition of an aqueous solution of polymeric nanoparticles and method for preparing same

  • CN 104,010,627 A
  • Filed: 12/07/2012
  • Published: 08/27/2014
  • Est. Priority Date: 12/16/2011
  • Status: Active Application
First Claim
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1. by a method for the pharmaceutical composition stabilisation of aqueous solution, comprising:

  • By comprising polymer drug carrier, be trapped in the step that the pharmaceutical composition of bioactivator in described pharmaceutical carrier and aqueous solvent carries out cold preservation keeping,Described polymer drug carrier comprises;

    the non-ion amphiphilic block copolymer (a) being formed by hydrophilic block and hydrophobicity block, and (b) be combined with endways the polylactic acid derivative that in the polylactic acid derivative of 1 valence metal ion, described 1 valence metal ion is substituted by divalent or 3 valence metal ions on carboxyl.

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