Process for reversed planographic printing

Claim 1

AN IMPROVED REVERSED PLANOGRAPHIC PRINTING PROCESS WHEREIN THE IMPROVEMENT COMPRISES INKING THE PLANOGRAPHIC PRINTING FORM WITH AN OIL-IN-WATER EMULSION INK COMPOSITION CONSISTING ESSENTIALLY OF A RELATIVELY UNCOLORED LIPOPHILIC LIQUID DISPERSED PHASE EMULSIFIED IN A HYDROPHILIC AQUEOUS LIQUIS CONTINUOUS PHASE, SAID CONTINUOUS PHASE CONSISTING ESSENTIALLY OF WATER, A DISPERSING AGENT AND A PIGMENT INSOLUBLE IN SAID LIPOPHILIC PHASE, SAID LIPOPHILIC PHASE CONSISTING ESSENTIALLY OF A NATURAL OR SYNTHETIC HYDROPHOBIC MATERIAL SELECTEDK FROM THE GROUP CONSISTING OF OILS, WAXES, AND RESINS DISSOLVED IN AT LEAST ONE ORGANIC WATER-IMMISCIBLE LIQUID SOLVENT SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC HYDROCARBONS, CYCLOALIPHATIC HYDROCARBONS, ALIPHATICALLY SUBSTITUTED AROMATIC HYDROCARBONS AND ALIPHATIC ESTERS, SAID SOLVENT HAVING A VAPOR PRESSURE LOWER THAN N-HEXANE AND A BOILING POINT ABOVE 100*C., THE WEIGHT RATIO OF SAID HYDROPHILIC PHASE TO SAID LOPOPHILIC PHASE BEING FROM 4:1 TO 1:1, SAID LIPOPHILIC PHASE REMAINING STABLE DISPERSED IN SAID HYDROPHILIC CONTINUOUS PHASE UNTIL THE INK COMPOSITION IS CONTACTED WITH THE PRINTING FORM AND THEN SEPARATING THEREFROM.