US Patent Issued to SUMITOMO METAL MINING on July 8 for "Infrared absorbing material fine particle dispersion liquid and method for production thereof" (Japanese Inventors)

ALEXANDRIA, Va., July 9 -- United States Patent no. 12,351,476, issued on July 8, was assigned to SUMITOMO METAL MINING Co. LTD. (Tokyo).

"Infrared absorbing material fine particle dispersion liquid and method for production thereof" was invented by Keiichi Sato (Isa, Japan), Kenji Fukuda (Isa, Japan), Yukihiro Koyama (Isa, Japan), Hiroki Nakayama (Isa, Japan) and Hideaki Fukuyama (Isa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An infrared absorbing material fine particle dispersion liquid including infrared absorbing material fine particles and a solvent, the infrared absorbing material fine particles containing fine particles of composite tungsten oxide represented by a general formula MxWOy, th...