Color printing process

Claim 1

A PROCESS OF PRODUCING A VISIBLY MULTICOLORED PRINTED IMAGE OF A PHOTOGRAPHIC SUBJECT CONTAINING A PLURALITY OF COLORS, COMPRISING THE STEPS OF FORMING ON A SHEET MATERIAL A SCREEN COMPOSED OF A PLURALITY OF SETS OF SCREEN ELEMENTS OF AT LEAST TWO DIFFERENT TONAL CHARACTERISTICS AND HAVING DIFFERENTIAL ATTRACTION AND REPELLENCE PROPERTIES WITH RESPECT TO IMAGE-FORMING PRINTING INKS EMPLOYED IN THE PROCESS, APPLYING A FIRST INKED IMPRESSION OF A GIVEN TONAL QUALITY TO SAID SCREEN, SAID INKED IMPRESSION BEING IN THE FORM OF A COLOR-SEPARATION IMAGE RECORD OF ONE PART OF THE COLOR CONTENT OF SAID SUBJECT AND HAVING A PROPERTY, WHEN TAKEN WITH THE PROPERTIES OF SAID SCREEN ELEMENTS, WHICH RENDERS IT SUBSTANTIALLY EXCLUSIVELY RECEPTIVE BY ONE OF SAID SETS OF SCREEN ELEMENTS, AND APPLYING A SECOND INKED IMPRESSION OF A TONAL QUALITY SUBSTANTIALLY SIMILAR TO THAT OF SAID FIRST INKED IMPRESSION TO SAID SCREEN, SAID SECOND INKED INPRESSION BEING IN THE FORM OF COLORSEPARATION IMAGE RECORD OF ANOTHER PART OF THE COLOR CONTENT OF SAID SUBJECT AND HAVING A PROPERTY, WHEN TAKEN WITH THE PROPERTIES OF SAID SCREEN ELEMENTS, WHICH RENDERS IT SUBSTANTIALLY EXCLUSIVELY RECEPTIVE BY A SECOND SET OF SAID SCREEN ELEMENTS.