×

Chromogenic tracers for use in an assay

  • US 4,489,165 A
  • Filed: 01/24/1983
  • Issued: 12/18/1984
  • Est. Priority Date: 01/24/1983
  • Status: Expired due to Fees
First Claim
Patent Images

1. A tracer for use in an assay comprising:

  • a chromogen conjugated to a ligand through a spacer radical, said spacer radical for conjugating the chromogen to the ligand being derived from an amino acid and having the following structural formula;

    ##STR6## wherein X is selected from the group consisting of hydrogen, ammonium, amine salt and metal cations;

    Y is selected from the group consisting of --NH-- and ##STR7## and R is selected from the group consisting of substituted and unsubstituted divalent hydrocarbon radicals having no more than 13 carbon atoms and wherein --R-- and --CH-- may be linked to form a carbocyclic radical.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×