ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,569, issued on Sept. 30, was assigned to Sun Chemical Corp. (Parsippany, N.J.).
"Inks for recyclable plastics" was invented by Jarol Osorio (Charlotte, N.C.) and Everett Garrish (Charlotte, N.C.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a two part ink or coating system, wherein Part A comprises one or more hydroxyl functional resins, one or more aminoplast crosslinkers, one or more polyester polyols, and one or more solvents; and Part B comprises an acid catalyst. Part A and Part B are combined just prior to application on a substrate. The ink or coating system of the invention is resistant to removal from polyol...