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Three-dimensional polymer matrices

  • US 6,471,993 B1
  • Filed: 01/28/2000
  • Issued: 10/29/2002
  • Est. Priority Date: 08/01/1997
  • Status: Expired due to Fees
First Claim
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1. A matrix comprising a macrostructure having a substantially continuous semi-solid network and voids, said matrix further comprising a microstructure having voids, wherein said microstructure is located within said semi-solid network.

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