ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,762, issued on Sept. 30, was assigned to Owens Corning Intellectual Capital LLC (Toledo, Ohio).
"Nonwoven mat with reduced permeability and increased caliper" was invented by Jianhui Wu (Westerville, Ohio).
According to the abstract* released by the U.S. Patent & Trademark Office: "A nonwoven mat and a method of making a nonwoven mat are provided. The nonwoven mat includes reinforcing fibers and a binder composition that includes a polycarboxy polymer and polymer microspheres. The binder composition may also include low-density fibers, such as microfibrillated cellulose fibers. The polymer microspheres have a thermoplastic shell that encapsulates a blowing agent. The thermoplast...