EP3660079A1 - 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