Patent ID: 7038066
Filing Date: 2006-05-02
Classification: B41J,C09B,C09D,G06F,G06K,H04N

Abstract:
1. An infrared dye wherein the dye comprises of a molecule 1 wherein m and n are the number of fused 6-membered aromatic rings connected to each side of the central moiety such that the first 6-membered aromatic ring, if present, is connected as shown in 1; and wherein Q wherein X wherein Y is individually selected from the group consisting of CO and O; and wherein Z is individually selected from the group consisting of CO and O; and Q R is the group consisting of a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted aralkyl group, a halide atom, a hydroxy group, a substituted or unsubstituted amine group, a substituted or unsubstituted alkoxy group; wherein the infrared dye absorbs strongly in the near infrared region of the spectrum but poorly in the visible region of the spectrum.