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