ERASABLE INK COMPOSITION AND MARKING INSTRUMENT CONTAINING SAME

摘要

An erasable ink composition contains a water-insoluble polymeric dye obtained from the polymerization of at least two coreactive polyfunctional monomers with at least one of the monomers possessing a dye moiety covalently bonded thereto. The ink is intended for use in any of a variety of marking instruments, in particular a ball-point pen.