ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,410,318, issued on Sept. 9, was assigned to artience Co. Ltd. (Tokyo) and TOYOCOLOR Co. LTD. (Tokyo).

"Pigment composition, colorant composition, coating material, ink, ink set, printed matter, and packaging material" was invented by Kohei Takijiri (Tokyo), Takayoshi Kono (Tokyo) and Shohei Sakamoto (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a pigment composition that includes an isoindoline compound, has excellent dispersibility, weather resistance and heat resistance, and good storage stability, and is capable of forming images having high chroma and the like, the pigment composition including an isoindoline compound represente...