Patent ID: 6936410
Filing Date: 2005-08-30
Classification: B41M,H05K,Y10S

Abstract:
1. A method of marking a substrate, comprising: contacting the substrate with a composition comprising a material with a substructure contacting the composition with energy sufficient to produce a a white mark in the composition, wherein each of R′, R″, and R′″ is independently selected from the group consisting of hydroxyl, a substituted or unsubstituted (C1-C10) alkyl, a substituted or unsubstituted (C1-C10) hydroxyalkyl, a substituted or unsubstituted (C1-C10) alkyloxy, a substituted or unsubstituted (C1-C10) alkyloxy-(C1-C10) alkyl, a substituted or unsubstituted (C1-C10) alkylamino-(C1-C10) alkyl, a substituted or unsubstituted (C1-C10) aminoalkyl, a substituted or unsubstituted aryl, a substituted or unsubstituted (C1-C10) hydroxyaryl, a substituted or unsubstituted (C1-C10) aryloxy, a substituted or unsubstituted (C1-C10) aminoaryl, a substituted or unsubstituted arylalkyl, a substituted or unsubstituted C1-C10 haloalkyl, a substituted or unsubstituted C2-C6 alkenyl, a substituted or unsubstituted C2-C6 alkynyl, oxo, a substituted or unsubstituted (C1-C10) aminoalkyloxy, a substituted or unsubstituted (C1-C10) aminoalkylcarboxy, a substituted or unsubstituted (C1-C10) aminoalkylaminocarbonyl, a substituted or unsubstituted (C1-C10) aminoalkylcarboxamido, and a substituted or unsubstituted (C1-C4)alkylacetamide(C1-C4)alkyloxy(C1-C4)alkyl.