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Multilayered integral element for the chemical analysis of the blood

  • US 4,255,384 A
  • Filed: 08/14/1979
  • Issued: 03/10/1981
  • Est. Priority Date: 08/14/1978
  • Status: Expired due to Term
First Claim
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1. An integral multilayered element for the chemical analysis of the blood comprising a combination of a porous spreading layer, a reagent layer, and a radiation-blocking layer, said radiation-blocking layer being water-permeable and containing at least one elemental metal or an alloy thereof.

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