US Patent Issued to SUMITOMO METAL MINING on Sept. 15 for "Near-infrared curable ink composition, near-infrared cured film, method for producing near-infrared cured product" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,735,584, issued on Sept. 15, was assigned to SUMITOMO METAL MINING Co. LTD. (Tokyo).

"Near-infrared curable ink composition, near-infrared cured film, method for producing near-infrared cured product" was invented by Hirofumi Tsunematsu (Chiba, Japan), Kenji Adachi (Chiba, Japan) and Masao Wakabayashi (Chiba, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a near-infrared curable ink composition including: a thermosetting resin or a thermoplastic resin; and near-infrared absorbing particles. The near-infrared absorbing particles contain a cesium tungsten oxide having an orthorhombic or hexagonal crystal structure and represented by a g...