ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,135, issued on Feb. 17, was assigned to 3M Innovative Properties Co. (St. Paul, Minn.).
"Thiol-ene based beta-diketone primers for adhesion to metal" was invented by Hae-Seung Harry Lee (Woodbury, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A reactive primer compound is provided that can be used as an adhesion promoter on various substrates, particularly metal-containing substrates. The reactive primer compound has a diketone group that can form chelates with various metals through coordination chemistry plus an oxirane group that can undergo ring opening reactions with components of an adhesive or coating composition. Articles containing a...