US Patent Issued to AMERICAN POLYMERS on Sept. 9 for "Sprayed multilayer polyurea and polyurethane composites" (California Inventors)

ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,409,583, issued on Sept. 9, was assigned to AMERICAN POLYMERS Corp. (Santa Fe Springs, Calif.).

"Sprayed multilayer polyurea and polyurethane composites" was invented by Dustin Le (Santa Fe Springs, Calif.) and John H. Bender (Santa Fe Springs, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Polyurea/polyurethane composites and methods for making the same are disclosed. Four primary layers, an aliphatic polyurea layer, a first elastomeric layer, a structural foam layer, and second elastomeric layer, can be applied to a mold sequentially. By using plural component spray systems to spray isocyanate components and resin components corresponding to e...