ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,460,096, issued on Nov. 4, was assigned to Hewlett-Packard Development Co. LP (Spring, Texas).
"Over-print varnish formulation" was invented by Alex Trubnikov (Netanya, Israel), Mazi Bar (Netanya, Israel), Eytan Cohen (Netanya, Israel), Kfir Dar (Netanya, Israel) and Kobi Cohen (Netanya, Israel).
According to the abstract* released by the U.S. Patent & Trademark Office: "An over-print varnish formulation is described. The formulation comprises a non-ionic polyurethane dispersion; a water-soluble polymer of Mw less than 55,000; a wax having a particle size (d50) 200 nm or less; and a water-soluble solvent, and at least 20 wt % solids, based on the total weight of the formulation. A met...