Multilayered analytical device

  • US 6,881,378 B1
  • Filed: 03/17/2000
  • Issued: 04/19/2005
  • Est. Priority Date: 03/19/1999
  • Status: Active Grant
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First Claim
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1. An analytical device adapted for use with sample liquids, said analytical device comprising:

  • a carrier layer;

    at least two functional layers comprising a detection layer, a separation layer constructed of a membrane or fleece, a transport layer, a layer for the uptake of excess sample, or a spreading layer, and an adhesive comprising a porous solid adsorptive material positioned between at least two of said functional layers, wherein at least two of said functional layers are joined together with the aid of the adhesive and wherein said adhesive is formed to join together at least two of said functional layers during contact of the liquid sample with the functional layer.

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