ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,391,814, issued on Aug. 19, was assigned to ICP CONSTRUCTION INC. (Andover, Mass.).
"Open cell polyurethane flame-retardant foams" was invented by Anthony J. Taylor (Medina, Ohio), Andrew P. Shinko (Uniontown, Ohio) and Mark A. Keen (Uniontown, Ohio).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention pertains generally to a process and a composition-of-matter for a shelf-stable open cell polyurethane HFO-blown two-component polyurethane foam composition having improved flame-retardant properties through the use of at least one organo-tin containing catalyst and at least one potassium containing catalyst; and at least one dimorpholino-based ethe...