Erasable ink composition containing a polymer dye obtained from

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...

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524458, 524460, 260DIG38, 106 3123, 106 3127, 106 3132, 401209, C09D 1118

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active

059004452

ABSTRACT:
An erasable ink composition contains a water-insoluble polymeric dye obtained by copolymerizing ethylenically unsaturated monomers at least one of which possesses 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.

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