Semiconductors

Inks; dyes; colorants; pigments; lacquers; varnishes; printing inks; printer's pastes; printing compositions; inks and coatings for use in the manufacture of bank notes and other security documents; security inks; printing inks and coatings including taggants and security features for detection by currency authentication apparatus and equipment

Currency authentication apparatus and equipment; detectors and sensing apparatus and equipment; apparatus and equipment for detecting security documents, security inks and security devices used in bank notes and other security documents; optical detection apparatus and equipment; diffraction gratings; optically variable devices; security devices in this class for bank notes, cheques, credit cards and other security documents; goods in this class incorporating optically variable devices, security inks or other security devices, including credit cards, cheques, bank notes and other security documents; computer hardware and software including computer hardware and software for use in currency authentication equipment and apparatus and computer hardware and software for producing optically variable devices and other security devices.