Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Particulate matter
Patent
1983-08-23
1985-10-01
Cooper, Jack
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Particulate matter
2523016F, 428403, 428690, 428691, 428701, 428702, C09K 1100
Patent
active
045446059
ABSTRACT:
A phosphor having formed on its surface generally spherical or semi-spherical surface treating substance composed of silicon dioxide, an aluminum compound and a zinc compound, at least 70% by weight of the surface treating substance being in the form of particles having an average particle size within a range of from 60 to 300 m.mu.m.
REFERENCES:
patent: 4020231 (1977-04-01), Hedler et al.
Matsuhisa Noboru
Matsumoto Goro
Miyazaki Tomohiro
Omatoi Susumu
Tanaka Hitoshi
Cooper Jack
Kasei Optonix Ltd.
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