Patent ID: 7414081

Claim:
A telecommunication element having a color identifying coating thereon, the telecommunication element comprising: an elongated communication transmission medium; and a coating having an identifying color applied on at least a portion of the transmission medium, wherein said coating comprises a radiation-cured, crosslinked, polymeric network, and wherein the identifying color in the coating is at least in part provided by at least one anthraquinone dye covalently bonded by at least one covalent bond to said polymeric network; wherein the anthraquinone dye is selected from the group consisting of 1,5-bis((3-hydroxy-2,2-dimethylpropyl)amino)-9,10-anthracenedione; 2,2′-((9,10-dihydro-9,10-dioxo-1,5-anthracenediyl)bis(thio)bis-benzoic acid, 2-hydroxyethyl ester; and 1,5-bis((2,2-dimethyl-3-hydroxypropyl)amino)-4,8-bis((4-methylphenyl)thio)anthraquinone.