printing inks, security printing inks, copying inks, printing ink pastes; paints of any kind for graphic printing; coatings in the nature of lacquers; varnishes; visible and invisible security markers of taggants, namely covert taggant coatings or inks

TREATMENT OF MATERIALS, PARTICULARLY PRINTING, DIGITAL PRINTING AND MARKING, NAMELY THE APPLICATION OF SECURITY TAGGANTS, MARKINGS, COATINGS AND COMPOSITIONS FOR READING AND CODING TO IMPEDE COUNTERFEITING, FORGERY AND FRAUD