Fluorescent compounds for absorption and re-emission of radiatio

Organic compounds -- part of the class 532-570 series – Organic compounds – Rare earth containing

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568326, 568732, 422 56, 436800, 25230116, 136247, C07F 1500, H01L 31041

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050950991

ABSTRACT:
This invention concerns novel fluorescent compositions having the potential for absorption of visible and UV radiation and for re-emitting the radiation at longer wavelengths. The compositions comprise rare earth chelates containing a phenalenone nucleus.

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