US Patent Issued to 3M Innovative Properties on May 26 for "Acoustic absorbing filler and related acoustic article" (Minnesota, California Inventors)

ALEXANDRIA, Va., May 26 -- United States Patent no. 12,640,132, issued on May 26, was assigned to 3M Innovative Properties Co. (St. Paul, Minn.).

"Acoustic absorbing filler and related acoustic article" was invented by Michelle M. Mok (St. Paul, Minn.), Nicole D. Petkovich (Little Canada, Minn.), Michael R. Berrigan (Oakdale, Minn.), Yongbeom Seo (Woodbury, Minn.), Andrew J. Hatch (Eagan, Minn.), Kevin A. Frankel (Woodbury, Minn.) and Seungkyu Lee (Cupertino, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An acoustic absorbing filler, the acoustic absorbing filler comprising agglomerates comprising a first phase comprising a plurality of porous particulates and a second phase comprising a binder; wher...