International Patent: COPPER-COMPLEX TRISAZO COMPOUND HAVING 6-AMINO-1-NAPHTHOL-3,5-DISULFONIC ACID MOIETY OR SALT THEREOF, POLARIZING FILM COMPRISING SAME, POLARIZING PLATE, AND DISPLAY DEVICE

GENEVA, Oct. 1 -- NIPPON KAYAKU KABUSHIKI KAISHA filed a patent application (JP2026/008796) for “COPPER-COMPLEX TRISAZO COMPOUND HAVING 6-AMINO-1-NAPHTHOL-3,5-DISULFONIC ACID MOIETY OR SALT THEREOF, POLARIZING FILM COMPRISING SAME, POLARIZING PLATE, AND DISPLAY DEVICE”. With publication no. WO/2026/191824, here are the other details related to the patent application:

Kind: Initial Publication with ISR [A1]

IPC: C09B 45/28

Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).

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