US Patent Issued to Nippon Kayaku on Sept. 23 for "Ink set for textile printing and method of textile printing on fiber" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,409, issued on Sept. 23, was assigned to Nippon Kayaku K.K. (Tokyo).

"Ink set for textile printing and method of textile printing on fiber" was invented by Rima Akanuma (Tokyo), Makoto Teranishi (Tokyo) and Takashi Yoneda (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is an ink set for textile printing giving a good reproducible color gamut. The ink set includes a cyan ink and a violet ink that each contain a water-insoluble colorant and water. The cyan ink contains at least a compound represented by formula (1) below as the water-insoluble colorant, and the violet ink contains at least one selected from the group consisting of C.I....