| 摘要 |
PCT No. PCT/JP89/00181 Sec. 371 Date Oct. 26, 1989 Sec. 102(e) Date Oct. 26, 1989 PCT Filed Feb. 22, 1989 PCT Pub. No. WO89/08134 PCT Pub. Date Sep. 8, 1989.The present invention provides: (1) an ink composition erasable with a rubber eraser, the composition comprising 1 to 50% of a pigment, 3 to 50% of a resin having a film-forming temperature of 40 DEG C. or higher, 0.5 to 50% of an organic solvent and 7 to 60% of water, based on the weight of the ink composition; (2) an ink composition erasable with a rubber eraser, the composition comprising 2 to 90% of a pigment coated with a resin having a film-forming temperature of 40 DEG C. or higher, 0.5 to 30% of an organic solvent and 0.5 to 30% of water, based on the weight of the ink composition; and (3) an ink composition erasable with a rubber eraser, the composition comprising 2 to 90% of a pigment coated with a resin having a film-forming temperature of 40 DEG C. or higher, 1.5 to 55% of an emulsion (calculated as solids), 0.5 to 30% of an organic solvent and 4.0 to 60% of water, based on the weight of the ink composition.
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