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




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.

patent: 3426212 (1969-02-01), Klaas
patent: 3484606 (1969-12-01), Masi
patent: 3865879 (1975-02-01), Eiglmeier
patent: 3912931 (1975-10-01), Gravisse et al.
patent: 4110123 (1978-08-01), Goetzberger
patent: 4149902 (1979-04-01), Mauer et al.
patent: 4175980 (1979-11-01), Davis et al.
patent: 4440693 (1984-04-01), Naarmann et al.
patent: 4492778 (1985-01-01), Claussen et al.
patent: 4572803 (1986-02-01), Yamazoe et al.
patent: 4803161 (1989-02-01), Babb et al.
patent: 4812393 (1989-03-01), Goswami et al.
patent: 4812409 (1989-03-01), Babb et al.
Fieser, Louis F., J. Am. Chem. Soc., 1931, 53, 3456-60.
Calderbank, A. et al., J. Chem. Soc., 1954, 1285.
Haddon, R. C., J. Org. Chem. 1981, 46, 4587-88.
Weber, W. H., et al., Applied Optics, 1976, 15, 2299-2300.
Levitt, J. A., et al., Applied Optics, 1977, 16, 2684-89.
Neidlein, R., et al., Chem.-Ztg. 1976, 100, 388-9.


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