US Patent Issued to Jiangsu Damaoniu New Material Technology on April 14 for "Method for preparing foaming materials by nitrogen foaming" (Chinese Inventors)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,600,834, issued on April 14, was assigned to Jiangsu Damaoniu New Material Technology Co. Ltd. (Nanjing, China).

"Method for preparing foaming materials by nitrogen foaming" was invented by Peng Bai (Nanjing, China) and Zhenxiu Zhang (Nanjing, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to the field of physical foaming. The method includes the following steps: crosslink the foaming matrix to obtain a plurality of crosslinked prefabricated products, add the crosslinked prefabricated products into a reaction reactor filled with polar liquid, add nitrogen for foaming, relieve pressure, and heat for foaming to obtain the foam...