×

Diagnostic compositions and devices utilizing same

  • US 5,989,845 A
  • Filed: 09/10/1998
  • Issued: 11/23/1999
  • Est. Priority Date: 04/05/1996
  • Status: Expired due to Fees
First Claim
Patent Images

1. A dry chemistry reagent matrix composition comprising a matrix material and a reagent composition comprising 3-methyl-6(M sulfonate)-benzothiazolinone-(2)-hydrazone (MBTH-S) where M is a positive ion providing a stable sulfonate salt;

  • N-ethyl-N-(3-sulfopropyl)aniline or a salt thereof; and

    an oxidase enzyme or a peroxidase enzyme or a mixture thereof, wherein the reagent composition is imbibed and dried into or onto the matrix material.

View all claims
  • 4 Assignments
Timeline View
Assignment View
    ×
    ×