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SUPERABSORBENT, FREEZE DRIED HYDROGELS FOR MEDICAL APPLICATIONS

  • US 20070231366A1
  • Filed: 08/18/2006
  • Published: 10/04/2007
  • Est. Priority Date: 03/29/2006
  • Status: Active Grant
First Claim
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1. A method for making superabsorbent hydrogel, comprising:

  • forming a mixture by combining precursor components to initiate crosslinking of the precursor components;

    freezing the mixture before crosslinking is complete; and

    freeze drying the mixture to form the hydrogel.

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