Abstract Process for producing an apparent full color print of a multicolored picture, comprising the steps of: a. with a composite separation screen having interspersed first and second areas which transmit substantially red and substantially green information, respectively, of the multicolor picture, photomechanically forming upon a printing surface a corresponding composite plate image, the composite plate image being respective to a substantially neutral tone dark ink; b. photomechanically forming upon the printing plate, only in the plate portions corresponding to the first areas of the composite separation screen, a substantially cyan plate image of the multicolor picture, the cyan plate image being receptive to a substantially red ink; c. inking the composite plate image with the dark ink and the cyan plate image with the red ink; and d. making a single impression of the printing surface upon a receiving substrate having a selected pale color.
Process according to claim 1 wherein said composite plate image and said cyan plate image are halftone images.
Claim 2
Dependent Claim
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Process according to claim 1 wherein said dark and red inks are mutually immiscible.
Claim 3
Dependent Claim
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Process according to claim 1 wherein said tone of said substantially neutral tone dark ink is bluish black.
Claim 4
Dependent Claim
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Process according to claim 1 wherein said substantially red ink is bright red.
Claim 5
Dependent Claim
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Process according to claim 1 wherein said receiving substrate is white.
Claim 6
Dependent Claim
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Process according to claim 1 wherein said receiving substrate is greenish white.
Claim 7
Dependent Claim
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Process according to claim 1 wherein said substantially red separation also records a minor amount of blues.
Claim 8
Dependent Claim
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Process according to claim 1 wherein said substantially green separation also records a minor amount of blues.
Claim 9
Dependent Claim
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Process according to claim 1 wherein said substantiAlly cyan separation records blues more strongly than greens.
Claim 10
Dependent Claim
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Process according to claim 1 wherein said printing surface has text printing areas, and said text printing areas are inked with said dark ink together with said composite plate image.