Process for reproducing a full-color picture in two impressions

Abstract

Process for reproducing a full color picture in two printing impressions, comprising the steps of: A. Projecting a multi-color image upon a first panchromatic type film through a composite separation screen having first areas which pass long record light rays and attenuate short record light rays and second areas which pass short record light rays and attenuate long record light rays; B. Projecting such multi-color image upon an ortho type film; C. Developing such first panchromatic type film and such ortho type film; D. Forming a first printing plate by such developed first panchromatic type film; E. Projecting long record light rays through such developed ortho type film and such composite separation screen upon a second panchromatic type film; F. Removing such developed ortho type film and projecting short record light rays through such composite separation screen upon such second panchromatic type film; G. Developing such second panchromatic type film; H. Forming a second printing plate from such developed second panchromatic type film; I. Inking a selected one of such printing plates with a first ink and transferring therefrom a first ink image upon a substrate; and J. Inking the other of such printing plates with a second ink and transferring therefrom a second ink image upon such substrate in registration with such first ink image.

Dependencies are inferred from the claim text.