US Patent Issued to H.B. Fuller on May 27 for "Two component polyurethane system for liquid applied sound deadener" (German Inventors)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,312,513, issued on May 27, was assigned to H.B. Fuller Co. (St. Paul, Minn.).

"Two component polyurethane system for liquid applied sound deadener" was invented by Wolfgang Wittwer (Pirmasens, Germany) and Timo Backes (Schmelz, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for producing a coating on a surface of a component part or a device, the method comprises obtaining a two component polyurethane system having a Component A and a Component B, Component A comprises a polyol and Component B comprises an isocyanate. Either Component A or Component B or both components comprise a filler. The method includes mixing Components A and B, t...