Erasable ink composition containing a polymer-encapsulated color

Details Erasable ink composition containing a polymer-encapsulated color Erasable ink composition containing a polymer-encapsulated color

1996-05-20

1997-08-26

Michl, Paul R.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

523200, 523205, 524458, 524460, 260DIG38, 401209, 106 3132, 106 3145, C09D 1118

Patent

active

056611978

ABSTRACT:
An erasable ink composition contains an aqueous dispersion of water-insoluble polymer-encapsulated colorant obtained from the emulsion polymerization of at least one hydrophobic emulsion-polymerizable monomer with at least a portion of the monomer containing colorant dissolved therein. The ink is intended for use in any of a variety of marking instruments, in particular, a ball-point pen.

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