Electronic and electrically operated devices for reading and recording the presence of inorganic up-converting phosphor taggants, namely, electronic detectors and laser pens for use in product authentication, anti-counterfeiting, product diversion tracking, and product identification

'anti':31 'anti-counterfeit':30 'authent':29 'convert':16 'counterfeit':32 'detector':21 'devic':5 'divers':34 'electr':3 'electron':1,20 'identif':38 'inorgan':13 'laser':23 'name':19 'oper':4 'pen':24 'phosphor':17 'presenc':11 'product':28,33,37 'read':7 'record':9 'taggant':18 'track':35 'up-convert':14 'use':26

Inorganic up-converting phosphor taggants for authentication, anti-counterfeiting, product diversion tracking, and product identification

'anti':10 'anti-counterfeit':9 'authent':8 'convert':4 'counterfeit':11 'divers':13 'identif':17 'inorgan':1 'phosphor':5 'product':12,16 'taggant':6 'track':14 'up-convert':2

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