Patent ID: 6692558
Filing Date: 2004-02-17
Classification: C09D

Abstract:
A fluorescent marking stain for marking items comprising:a resin present in a concentration of about 1 percent to about 5 percent of the marking stain; an active solvent for and compatible with the resin present in a concentration of about 40 percent to about 50 percent of the marking stain; a dye solvent present in a concentration of about 20 percent to about 30 percent of the marking stain; a diluent present in a concentration of about 10 percent to about 20 percent of the marking stain; an adhesion promoter present in a concentration of about 1 percent to about 5 percent of the marking stain; an amino coumarin optical brightener present in a concentration of about 1 percent to about 5 percent of the marking stain; and a fluorescent dye present in a concentration of about 0.2 percent to about 5 percent of the marking stain.