发明名称 ERASABLE INK COMPOSITION CONTAINING POLYMER-ENCAPSULATED COLORANT AND MARKING INSTRUMENT CONTAINING THE INK
摘要 <p>An erasable ink composition contains a dispersion of particles of water-insoluble polymer-encapsulated colorant obtained from the emulsion polymerization of at least one emulsion-polymerizable monomer in the presence of colorant. The ink is intended for use in any of a variety of marking instruments, in particular, a ball-point pen.</p>
申请公布号 WO1996019542(A1) 申请公布日期 1996.06.27
申请号 US1995016288 申请日期 1995.12.14
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