ALEXANDRIA, Va., March 19 -- United States Patent no. 12,251,860, issued on March 18, was assigned to BASF SE (Ludwigshafen am Rhein, Germany).
"Method for fusing particle foams by means of porous sleeves" was invented by Andreas Wonisch (Ludwigshafen am Rhein, Germany), Peter Gutmann (Ludwigshafen am Rhein, Germany), Andreas Wuest (Ludwigshafen am Rhein, Germany), Frank Prissok (Lemfoerde, Germany) and Juergen Ahlers (Gross-Rohrheim, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "A process for producing a molded article involves providing a thin-walled, gas-permeable shell; filling the shell with a foamed pelletized material composed of a polymer; and welding the foamed pelletized material to obtain...