US Patent Issued to Rohm and Haas, Dow Global Technologies on Sept. 1 for "Liquid applied sound dampening composition" (Pennsylvania, Michigan Inventors)

ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,723,160, issued on Sept. 1, was assigned to Rohm and Haas Co. (Collegeville, Mich.) and Dow Global Technologies LLC (Midland, Mich.).

"Liquid applied sound dampening composition" was invented by Ian D. Robertson (Collegeville, Pa.), Michael W. Leonard (Collegeville, Pa.), Ray E. Drumright (Midland, Mich.) and James C. Bohling (Lansdale, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a composition comprising an aqueous dispersion of acrylic polymer particles; paraffin wax; graphite particles; and extender particles. The composition is useful for making coatings with low water pickup for liquid applied sound damping ap...