ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,458,150, issued on Nov. 4, was assigned to Evonik Operations GmbH (Essen, Germany).
"Shaped PU foam articles" was invented by Annegret Terheiden (Alpen, Germany), Rudiger Landers (Essen, Germany), Daniela Hermann (Dusseldorf, Germany), Jane Garrett Kniss (Kempton, Pa.), Robert Borgogelli (Midlothian, Va.), Kathie W. Hogg (Mechanicsville, Va.) and Isabelle Denise Wessely (Karlsruhe, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "Shaped PU foam articles, preferably mattresses and/or cushions, wherein the polyurethane foam has been obtained by reaction of at least one polyol component and at least one isocyanate component in the presence of at least...