ALEXANDRIA, Va., May 12 -- United States Patent no. 12,624,152, issued on May 12, was assigned to PPG Industries Ohio Inc. (Cleveland).
"Curable compositions" was invented by Joseph P. Kriley (Valencia, Pa.), Marvin M. Pollum Jr. (Pittsburgh), Masayuki Nakajima (Wexford, Pa.) and David J. Fortman (Pittsburgh).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention is directed to a curable composition including: an isocyanate-functional prepolymer; an epoxy-containing component present in an amount of at least 10 percent by weight of the composition; and a latent curing agent having an ability to react with at least one of the isocyanate-functional prepolymer and the epoxy-containing component upo...