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Device for delivery of substances and methods of use thereof

  • US 5,681,568 A
  • Filed: 08/19/1994
  • Issued: 10/28/1997
  • Est. Priority Date: 08/19/1994
  • Status: Expired due to Fees
First Claim
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1. A device comprising a microporous underlayment with microcapillary pores wherein said pores are coated but not completely filled by a microskin to which a biologically active macromolecular agent is bound.

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