US Patent Issued to JSP on April 7 for "Method for producing polypropylene-based resin expanded beads" (Japanese Inventors)

ALEXANDRIA, Va., April 7 -- United States Patent no. 12,594,699, issued on April 7, was assigned to JSP Corp. (Tokyo).

"Method for producing polypropylene-based resin expanded beads" was invented by Akinobu Hira (Kanuma, Japan) and Tokunobu Nohara (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for producing polypropylene-based resin expanded beads containing a post-consumer recycled material of a polypropylene-based resin foamed molded article containing carbon black in order to enable provision of a black expanded beads molded article excellent in appearance and physical properties using a post-consumer recycled material of a polypropylene-based resin foamed molded article containing carbon ...