Production of crystallites of cerium/lanthanum/terbium phosphate

Details Production of crystallites of cerium/lanthanum/terbium phosphate Production of crystallites of cerium/lanthanum/terbium phosphate

1992-07-20

1994-05-24

Cooper, Jack

Compositions

Inorganic luminescent compositions

Compositions containing halogen; e.g., halides and oxyhalides

423263, C09K 1181

Patent

active

053146417

ABSTRACT:
Needle-shaped solid crystallites of specific LaCeTb phosphates, well suited for the production of green phosphors therefrom, are essentially pure white in color after calcination at 900.degree. C. and have the formula (I):

REFERENCES:
patent: 3634282 (1972-01-01), Denis et al.
patent: 4423349 (1983-12-01), Nakajima et al.
patent: 5091110 (1992-02-01), Fan et al.
World Patents Index Latest, Derwent Publications Ltd., London, GB; AN 84-291413 & JP-A-59 179 578 (Hitachi), Oct. 12, 1984.
World Patents Index Latest, Derwent Publications Ltd., London, GB; AN 82-80569E & JP-A-57 133 182 (Tokyo Shibaura), Aug. 17, 1982.

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