Method for producing multi-colored art work to be used for proofing

Claim 1

THE METHOD OF FORMING MULTI-COLOR ARTWORK FOR USE IN PROOFING THE SAME PRIOR TO PRODUCTION OF PRINTING PLATES AND COMPRISING THE STEPS OF: FORMING A COMPOSITE COATING LAYER ON A SUPPORT, SAID LAYER INCLUDING RESOLUBLE INK OF A FIRST COLOR AND PHOTOSENSITIVE RESIST MATERIL COMPATIBLE THEREWITH; AT LEAST PARTIALLY DRYING SAID LAYER; EXPOSING PREDETERMINED AREAS OF SAID LAYER CORRESPONDING TO AREAS OF SAID FIRST COLOR IN SAID IMAGE TO SENSITIZING RAYS, SAID RAYS AFFECTING THE SOLUBILITY OF SAID RESIST MATERIAL AND DEFINING AREAS OF RESOLUBLE RESIST MATERIAL AND DEFINING AREAS OF RESOLUBLE RESIST MATERIAL AND INSOLUBLE RESIST MATERIAL CORRESPONDING TO THE PROFILE OF THE PREDETERMINED AREAS OF SAID FIRST COLOR AFORESAID; REDISSOLVING SAID COMPOSITE LAYER IN THE AREAS CORRESPONDING TO SAID AREAS OF RESOLUBLE RESIST MATERIAL WHILE LEAVING SAID COMPOSITE LAYER INTACT IN THE AREAS OF INSOLUBLE RESIST MATERIAL AFORESAID, FORMING A SECOND COMPOSITE LAYER, SAID LAYER INCLUDING A RESOLUBLE INK OF A SECOND COLOR OF SAID IMAGE AND PHOTOSENSITIVE RESIST MATERIAL COMPATIBLE THEREWITH; AT LEAST PARTIALLY DRYING SAID SECOND LAYER; EXPOSING PREDETERMINED AREAS OF SAID SECOND LAYER CORRESPONDING TO AREAS OF SAID SECOND COLOR IN SAID IMAGE AND DEFINING AREAS OF RESOLUBLE RESIST MATERIAL AND INSOLUBLE RESIST MATERIAL CORRESPONDING TO THE PROFILE OF PREDETERMINED AREA OF SAID SECOND COLOR AFORESAID, AND REDISSOLVING SAID COMPOSITE LAYER IN THE AREAS OF RESOLUBLE RESIST MATERIAL WHILE LEAVING SAID COMPOSITE LAYER INTACT IN THE AREAS OF INSOLUBLE RESIST MATERIAL.

Claim 2

THE METHOD OF FORMING MULTI-COLOR ARTWORK FOR USE IN PROOFING THE SAME PRIOR TO PRODUCTION OF PRINTING PLATES AND COMPRISING THE STEPS OF: FORMING A COMPOSITE COATING LAYER ON A SUPPORT, SAID LAYER INCLUDING RESOLUBLE INK OF A FIRST COLOR AND PHOTOSENSITIVE RESIST MATERIL COMPATIBLE THEREWITH; AT LEAST PARTIALLY DRYING SAID LAYER; EXPOSING PREDETERMINED AREAS OF SAID LAYER CORRESPONDING TO AREAS OF SAID FIRST COLOR IN SAID IMAGE TO SENSITIZING RAYS, SAID RAYS AFFECTING THE SOLUBILITY OF SAID RESIST MATERIAL AND DEFINING AREAS OF RESOLUBLE RESIST MATERIAL AND DEFINING AREAS OF RESOLUBLE RESIST MATERIAL AND INSOLUBLE RESIST MATERIAL CORRESPONDING TO THE PROFILE OF THE PREDETERMINED AREAS OF SAID FIRST COLOR AFORESAID; REDISSOLVING SAID COMPOSITE LAYER IN THE AREAS CORRESPONDING TO SAID AREAS OF RESOLUBLE RESIST MATERIAL WHILE LEAVING SAID COMPOSITE LAYER INTACT IN THE AREAS OF INSOLUBLE RESIST MATERIAL AFORESAID, FORMING A SECOND COMPOSITE LAYER, SAID LAYER INCLUDING A RESOLUBLE INK OF A SECOND COLOR OF SAID IMAGE AND PHOTOSENSITIVE RESIST MATERIAL COMPATIBLE THEREWITH; AT LEAST PARTIALLY DRYING SAID SECOND LAYER; EXPOSING PREDETERMINED AREAS OF SAID SECOND LAYER CORRESPONDING TO AREAS OF SAID SECOND COLOR IN SAID IMAGE AND DEFINING AREAS OF RESOLUBLE RESIST MATERIAL AND INSOLUBLE RESIST MATERIAL CORRESPONDING TO THE PROFILE OF PREDETERMINED AREA OF SAID SECOND COLOR AFORESAID, AND REDISSOLVING SAID COMPOSITE LAYER IN THE AREAS OF RESOLUBLE RESIST MATERIAL WHILE LEAVING SAID COMPOSITE LAYER INTACT IN THE AREAS OF INSOLUBLE RESIST MATERIAL.