MUMBAI, India, Nov. 21 -- Intellectual Property India has published a patent application (202517097188 A) filed by Artience Co. Ltd.; and Toyocolor Co. Ltd., Tokyo, on Oct. 8, for 'coloring agent, coloring composition, and method for producing coloring agent.'
Inventor(s) include Takahata Noriyoshi; and Kobayashi Ryosaku.
The application for the patent was published on Nov. 21, under issue no. 47/2025.
According to the abstract released by the Intellectual Property India: "A coloring agent comprising a compound (A) represented by general formula (1) and a compound (B) represented by general formula (2)."
The patent application was internationally filed on Mar. 28, 2024, under International application No.PCT/JP2024/012771.
Disclaimer: ...