US Patent Issued to SAM BU FINE CHEMICAL on July 15 for "Manufacturing method of foam sheet for shoes with TPU powder and recycled PU scrap powder" (South Korean Inventor)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,359,035, issued on July 15, was assigned to SAM BU FINE CHEMICAL Co. LTD. (Gimhae-si, South Korea).

"Manufacturing method of foam sheet for shoes with TPU powder and recycled PU scrap powder" was invented by Heedae Park (Busan, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a manufacturing method for a foam sheet for shoes containing Thermoplastic polyurethane (TPU) powder and recycled Polyurethane (PU) scrap powder, and for an eco-friendly polyurethane foam composition including water foam, firstly the recycled PU scrap powder is mixed with polyol, and then the processing speed in a process is controlled thr...