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Metformin Tablet with Sustained Release and Method for Preparing the Same

  • US 20070042042A1
  • Filed: 07/05/2006
  • Published: 02/22/2007
  • Est. Priority Date: 08/18/2005
  • Status: Abandoned Application
First Claim
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1. A method for preparing a metformin tablet with sustained release comprising:

  • (a) converting a pharmaceutical composition comprising metformin or a pharmaceutically acceptable salt thereof as an active ingredient and a matrix into a slug at a pressure of 5-30 MPa;

    (b) granulating said slug into particles with a size of 12-30 meshes and preparing them into a tablet core; and

    (c) forming a coated film on the surface of the tablet core.

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