Erasable aqueous ink composition

Details Erasable aqueous ink composition Erasable aqueous ink composition

1991-10-11

1993-04-20

Bell, Mark L.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 20A, 106 30R, 106 325, C09D 1116

Patent

active

052039137

ABSTRACT:
The invention provides an erasable aqueous ink composition comprising, based on the total weight of the ink composition, 3 to 50% of a resin having a minimum film-forming temperature of not lower than 40.degree. C., 0.01 to 10% of a water-insoluble dye, 0.5 to 50% of a water-soluble organic solvent and 20 to 60% of water.

REFERENCES:
patent: 3912520 (1975-10-01), Miyajima et al.
patent: 3922457 (1975-11-01), Barnwell et al.
patent: 4097289 (1978-06-01), Hofmann et al.
patent: 4256492 (1981-03-01), Matsumoto et al.
patent: 4557618 (1985-12-01), Iwata et al.
patent: 4578117 (1986-03-01), Nakanishi
patent: 4740549 (1988-04-01), Okuzono et al.
patent: 4940628 (1990-07-01), Lin et al.
patent: 4954174 (1990-09-01), Imagawa
patent: 4988123 (1991-01-01), Lin et al.

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