There is the oxcarbazepine controlled release preparation of S shape release profiles

There is the oxcarbazepine controlled release preparation of S shape release profiles

  • CN 101,489,560 B
  • Filed: 04/13/2007
  • Issued: 11/25/2015
  • Est. Priority Date: 04/26/2006
  • Status: Active Grant
First Claim
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1. for a daily oxcarbazepine, the pharmaceutical preparation that is made up of uniform framing structure, wherein said uniform framing structure comprises:

  • (a) oxcarbazepine;

    B () skeleton forms polymer, it is selected from;

    cellulosic polymer and polyvinyl pyrrolidone;

    C () at least one improves the material of oxcarbazepine dissolubility, it is selected from surfactant;

    WithD () at least one release enhancing agent, it comprises and is selected from following pH dependent solubility polymer;

    EudragitL100-55 and acrylic acid methyl ester .-methacrylic acid copolymer.

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