EP3660079B1 - Infrared-Absorbing-Fine-Particle-Containing Masterbatch Pulverized Product, Dispersion Containing Infrared-Absorbing-Fine-Particle-Containing Masterbatch Pulverized Product, Infrared-Absorbing-Material-Containing Ink, Anti-Counterfeiting Ink Employing Same, Anti-Counterfeiting Print Film, and Method for Manufacturing Infrared-Absorbing-Fine-Particle-Containing Masterbatch Pulverized Product | Patent Bear