US Patent Issued to JSP on Sept. 15 for "Polyethylene resin foamed particle, and method for producing same" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,735,545, issued on Sept. 15, was assigned to JSP Corp. (Tokyo).

"Polyethylene resin foamed particle, and method for producing same" was invented by Tatsuya Hayashi (Yokkaichi, Japan) and Akinobu Hira (Yokkaichi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Polyethylene resin foamed particles according to the present invention are obtained by using, as a base material resin, a non-crosslinked linear low density polyethylene. The linear low density polyethylene is a copolymer of ethylene and an Alpha-olefin having 8 carbon atoms, and has a melt flow rate and a density in specified ranges. The foamed particle has an average foam size within a spec...