US Patent Issued to PPG Industries Ohio on Sept. 23 for "Structural adhesive compositions" (Pennsylvania, Hawaii Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,431, issued on Sept. 23, was assigned to PPG Industries Ohio Inc. (Cleveland).

"Structural adhesive compositions" was invented by Tien-Chieh Chao (Mars, Pa.), Masayuki Nakajima (Wexford, Pa.), Hongying Zhou (Allison Park, Pa.), Shanti Swarup (Allison Park, Pa.) and Umesh C. Desai (Wailuku, Hawaii).

According to the abstract* released by the U.S. Patent & Trademark Office: "An adhesive composition comprising an epoxy compound and a compound comprising at least one aminimide functional group is disclosed. The compound comprising the at least one aminimide functional group is present in an amount from 2-8% by weight based on total weight of the adhesive composition and reacts with ...