Set of basic printing inks for producing color tones by printing

Compositions: coating or plastic – Coating or plastic compositions – Metal-depositing composition or substrate-sensitizing...

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101115, 101135, 101211, 106 22, 106 23, B41M 114, C09D 1102

Patent

active

040626881

ABSTRACT:
A novel set of basic printing inks for producing improved color tones in multicolor printing comprising four individual inks of golden-yellow, carmin, violet, and turquoise hues, respectively, and having predetermined spectral intervals between their maximum density wavelengths, the maximum density of each of the intermediate pair of colors being substantially equidistant from the middle of the visible color spectrum.

REFERENCES:
patent: 3951668 (1976-04-01), Schumacher et al.

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