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Gel-in-matrix containing a fractured hydrogel

  • US 5,277,915 A
  • Filed: 03/27/1992
  • Issued: 01/11/1994
  • Est. Priority Date: 10/30/1987
  • Status: Expired due to Term
First Claim
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1. A gel-in-matrix combination comprising a three-dimensional porous support matrix and a porous fractured hydrogel fixedly disposed therein, in which said fractured hydrogel has:

  • (a) a void volume of about 10-90%; and

    (b) a plurality of porous fractures comprising channels having a mean characteristic dimension of about 0.1-1,000 μ

    m.

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