US Patent Issued to NISSAN CHEMICAL on Sept. 23 for "Carbon-based solid acid" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,424,636, issued on Sept. 23, was assigned to NISSAN CHEMICAL Corp. (Tokyo).

"Carbon-based solid acid" was invented by Shoichi Kondo (Funabashi, Japan), Taichi Nakazawa (Funabashi, Japan), Takamasa Kikuchi (Funabashi, Japan), Yuki Nohara (Funabashi, Japan) and Mitsuyoshi Kawashima (Funabashi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a material which can be used in a catalyst layer for a fuel cell and exhibits proton conductive properties. The present invention is directed to a carbon-based solid acid comprising a carbon material having a sulfonic acid group through a linker."

The patent was filed on March 23, 2020, under Applica...