The catalytic inks used in the methods of this invention are low in solids, e.g. less than 10% solids, and have appropriate rheological properties of viscosity and surface tension that permit {HEAD ~ non sagging}, non spreading images to be printed onto a web which moves vertically into {TAIL ~ a drying zone} 
The catalytic inks used in the methods of this invention are low in solids , e.g. less than 10 % solids , and have appropriate rheological properties of viscosity and surface tension that permit { HEAD ~ non sagging } , non spreading images to be printed onto a web which moves vertically into { TAIL ~ a drying zone }
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