US Patent Issued to SUMITOMO METAL MINING on May 26 for "Surface-treated infrared-absorbing fine particles, surface-treated infrared-absorbing fine particle powder, infrared-absorbing fine particle dispersion liquid in which the surface-treated infrared-absorbing fine particles are used, infrared-absorbing fine particle dispersion, and infrared-absorbing substrate" (Japanese Inventors)

ALEXANDRIA, Va., May 26 -- United States Patent no. 12,637,359, issued on May 26, was assigned to SUMITOMO METAL MINING Co. LTD. (Tokyo).

"Surface-treated infrared-absorbing fine particles, surface-treated infrared-absorbing fine particle powder, infrared-absorbing fine particle dispersion liquid in which the surface-treated infrared-absorbing fine particles are used, infrared-absorbing fine particle dispersion, and infrared-absorbing substrate" was invented by Hirofumi Tsunematsu (Isa, Japan) and Takeshi Chonan (Isa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are surface-treated infrared-absorbing fine particles that are infrared-absorbing fine particles each having a crystallite size gre...