Dsm N.v.

Anton Kotesky

James R Petisce

Eva Montgomery

Jibing Lin

Paul E Snowwhite, Jr

A radiation-curable fiber optic coating composition for an inner primary coating includes a coloring agent, preferably a dye or a dye precursor, compatible with the fiber of the fiber optic and capable of imparting a pre-selected color to the inner primary coating, or another coating. The coloring agent can be a reactive dye. Any of the dyes preferably is stabilized by a stabiliser in the colored coating layer, or, preferably, in a more exterior layer.

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South Elgin, IL, United States of America

Anton Kotesky