ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,011, issued on Sept. 23, was assigned to SIEGWERK DRUCKFARBEN AG & Co. KGAA (Siegburg, Germany).
"Coatings and articles with light-blocking properties" was invented by Ashish Datt (West Des Moines, Iowa), John Kilbo (Morganton, N.C.) and Ayuna Tsyrenova (West Des Moines, Iowa).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention is related to a composition for manufacturing a layer (4a, 4b, 4c) that is capable of at least partially blocking light in the UV/VIS region and is deinkable, said composition comprising a blend of a pigment and a filler. The present invention is also related to a printed article, comprising a transparent sub...