ALEXANDRIA, Va., Feb. 12 -- United States Patent no. 12,225,636, issued on Feb. 11, was assigned to Shanghai Junhui New Materials Technology Co. Ltd. (Shanghai).

"Self-regulating carbon fiber composite planar electrothermal material and manufacturing method therefor" was invented by Juncheng Quan (Shanghai), Chuonan Wang (Shanghai), Yumei Ma (Shanghai) and Shouzhi Quan (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "A self-regulating far-infrared carbon fiber composite planar electrothermal material and manufacturing method therefor, where the material is composed of two reinforced insulating layers, two insulating layers, two self-regulating layers and a heating layer, is formed by high-temperature...