Patent Number: 6,295,252

Title: Fixating image in migrating dye indicator

Abstract: A migrating dye indicator that includes a display layer and a basesubstrate layer. An adhesive layer is on one surface of the display layerfor adhesively attaching the display layer to the base layer. The baselayer includes a migrating dye capable of migrating through the adhesivelayer to the display layer when the adhesive layer is placed in contacttherewith. The adhesive layer contains an accelerator for enhancing themigration of the dye through the adhesive layer. The base layer contains ameans for absorbing the accelerator into the base layer.

Inventors: Holt; Robert J. (Cornwall-on-Hudson, NY), Haas; David J. (Suffern, NY)


International Classification:

Expiration Date: 09/25/2013