Patents Assigned to Travenol-Genetech Diagnostics
  • Assay of peroxidase enzyme activity
    Patent number: 4596770
    Abstract: The use of aqueous N-methyl pyrrolidone as a solvent for a substrate containing tetraalkyl benzidine chromogen and a peroxide in determining peroxidase enzyme activity provides increased stability of the substrate solution and decreased substrate drift in carrying out enzyme immunoassays or enzyme-linked immunosorbent assays.
    Type: Grant
    Filed: June 1, 1984
    Date of Patent: June 24, 1986
    Assignee: Travenol-Genetech Diagnostics
    Inventors: Marc Parham, William J. Warren