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Hydrolytically Stable Isoelectric Hydrogel Compositions

  • US 20080264793A1
  • Filed: 08/13/2004
  • Published: 10/30/2008
  • Est. Priority Date: 08/15/2003
  • Status: Abandoned Application
First Claim
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1. A hydrolytically stable isoelectric hydrogel material formed by mixing and/or reacting a mixture comprising an oligo- or polyhydroxy compounds, a single isoelectric compound having a pI value of from 1 to 12, and a difunctional or oligofunctional agent, whereby after said mixed and/or reacting the hydrolytically stable isoelectric hydrogel material formed becomes an ampholytic material.

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