Serological test card with color solid as visualizing agent

  • US 3,074,853 A
  • Filed: 06/22/1961
  • Issued: 01/22/1963
  • Est. Priority Date: 06/22/1961
  • Status: Expired due to Term
First Claim
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1. A METHOD OF CARRYING OUT AN IMMUNOLOGICAL TEST WHICH COMPRISES FORMING AND SPREADING A MIXTURE OF A FINELY DIVIDED ADDED SOLID AND TWO LIQUIDS TO BE TESTED FOR ANTIGEN-ANTIBODY REACTION IN A TEST SPOT ON A SUBSTANTIALLY PLANE SOLID SHEET HAVING A SMOOTH WETTABLE SURFACE OF A CONTACTING COLOR WITH RESPECT TO SAID SOLID AND EXAMINING SAID SPOT FOR VISUAL EVIDENCE OF THE AGGLOMERATION OF SAID SOLID, SAID ADDED SOLID BEING CHEMICALLY INERT TO AND INSOLUBLE IN SAID LIQUIDS.

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