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Capillary transport zone coated with adhesive

  • US 4,957,582 A
  • Filed: 03/16/1989
  • Issued: 09/18/1990
  • Est. Priority Date: 03/16/1989
  • Status: Expired due to Fees
First Claim
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1. In a device providing a liquid transport zone for moving liquid along a path by capillary action, said zone comprising opposing surfaces joined together so as to provide a capillary spacing between said surfaces, said surfaces comprising a supporting material having an equilibrium contact angle with serum that is greater than about 80°

  • or less than about 30°

    ,the improvement wherein at least one of said opposing surfaces is coated in at least a portion of said transport zone with an adhesive capable of bonding together said supporting material of said surfaces, said adhesive, when cured, having an equilibrium contact angle with serum that is less than about 80° and

    greater than about 30°

    .

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