US Patent Issued to SUN CHEMICAL on Sept. 9 for "LED-curable offset inks containing aluminum additives" (German Inventors)

ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,410,331, issued on Sept. 9, was assigned to SUN CHEMICAL B.V. (Weesp, Netherlands).

"LED-curable offset inks containing aluminum additives" was invented by Christian Johnke (Karlstein am Main, Germany), Kai-Uwe Gaudl (Karlstein am Main, Germany) and Matthias Hellblau (Karlstein am Main, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "An LED curable lithographic ink comprising: 25-85% of one or more acrylates, wherein at least one acrylate is a pentaacrylate or hexaacrylate; 0-20% of one or more photoinitiators; 5-60% of one or more rosin-modified polyester resins, wherein the rosin-modified polyester resin has a molecular weight of 5,000 to 35,0...