Fluorescent compounds

Details Fluorescent compounds Fluorescent compounds

1995-05-22

1997-08-19

Bonner, Melissa

Compositions

Organic luminescent material containing compositions

Scintillating or lasing compositions

25230117, 25230116, 25230134, 25230135, 252625, 252646, 556 13, 556 19, 556 20, 556 21, 534 12, 534 11, 534 15, 534 16, C09K 1104, C09K 1106, C07F 9535

Patent

active

056584946

ABSTRACT:
Novel compounds obtainable by reacting together an imido-reagent such as diphenylphosphonimido-triphenylphosphorane), or a phosphine oxide such as p-tolyldiphenylphosphine oxide, with a chelate of a transition or lanthanide or actinide metal, such as tris(dibenzoylmethide)europium III, have the property of fluorescing in UV radiation. The invention includes solid polymer bodies containing such compounds, or chelates of transition or lanthanide or actinide metals generally, the bodies having the property of emitting light or infra-red radiation when subjected to a flux of ultra-violet or ionising radiation by virtue of internally generated, e.g. by tritium ionising radiation. The body is preferably of polystyrene formed by polymerising the monomer in the presence of the compound or metal chelate.

REFERENCES:
patent: 3377292 (1968-04-01), Halverson
patent: 3989768 (1976-11-01), Milkovich et al.
patent: 4518814 (1985-05-01), Knudsen et al.
patent: 4997597 (1991-03-01), Clough et al.
patent: 5435937 (1995-07-01), Bell et al.

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