US Patent Issued to SANYO CHEMICAL INDUSTRIES, NIHON UNIVERSITY on March 31 for "Composition for carbon dioxide absorption" (Japanese Inventors)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,589,350, issued on March 31, was assigned to SANYO CHEMICAL INDUSTRIES LTD. (Kyoto, Japan) and NIHON UNIVERSITY (Tokyo).

"Composition for carbon dioxide absorption" was invented by Takuma Takeda (Kyoto, Japan), Koichi Mori (Kyoto, Japan), Akihiro Manbo (Kyoto, Japan) and Daisuke Kodama (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A composition for absorbing carbon dioxide including an ionic liquid (A) containing a cation and an anion, and a protic compound (B) having a relative permittivity at 25deg C. of 20 or more, wherein the cation at least includes a cation represented by the formula (1), the anion includes an anion where an acid dissocia...