ALEXANDRIA, Va., June 5 -- United States Patent no. 12,275,865, issued on April 15, was assigned to Johns Manville (Denver).
"Water activated adhesive mixture" was invented by Thomas John Fellinger (Littleton, Colo.) and Guodong Zheng (Highlands Ranch, Colo.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Described is an adhesive coating that can be applied, for example, to a surface of the insulation product. The adhesive coating includes between about 15-40% by weight of the adhesive coating of at least one of polystyrene-maleic anhydride (SMA) and polyacrylic acid (PAA), between about 15 and 50% by weight of the adhesive coating of a polyvinyl alcohol, between about 0.05% and 1.0% by weight of a homogenize...