ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,013, issued on Nov. 25, was assigned to TOPPAN INC. (Tokyo).
"Pigment compositions, tablets and capsules" was invented by Masato Fukushiro (Tokyo) and Masatoshi Saito (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A pigment composition for a pigment contained in ink or the like is provided, the pigment composition being capable of better preventing oxidation of the pigment from occurring in the ink or after printing, and better reducing discoloration of the pigment, even when the pigment has a small particle size such as a nanometer size. Further, a tablet and a capsule are provided. For example, the pigment composition includes: a black iron...