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Specimen slide for occult blood testing

  • US 4,382,064 A
  • Filed: 02/11/1982
  • Issued: 05/03/1983
  • Est. Priority Date: 01/29/1981
  • Status: Expired due to Term
First Claim
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1. In a specimen test slide for occult blood having a front panel, a rear panel, said front panel having a plurality of openings, a specimen receiving sheet carrying a guaiac test reagent between the front and rear panels, pivotal covers in said front and rear panels opposite said openings, the improvement comprising:

  • said pivotal covers being coated with a composition containing 2,6-di-tert-butyl-p-cresol.

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