Ink composition

Details Ink composition Ink composition

1982-10-07

1984-04-10

Kight, III, John

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 22, 106 25, 106 26, C09D 1100

Patent

active

044419287

ABSTRACT:
An ink composition containing an indicator of phthalein series colored by the conjoint use of an inorganic weakly basic substance and an organic amine. This ink composition shows a clear tint and possesses good stability so that it is free of fading on storage. Images produced with this ink composition can be erased by wiping them with a wet cloth, paper or other fibrous materials or by drying.

REFERENCES:
patent: 3926645 (1975-12-01), Strahl
patent: 4070194 (1978-01-01), Arakawa
patent: 4188431 (1980-02-01), Sokol et al.

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