Compositions – Inorganic luminescent compositions – Compositions containing halogen; e.g. – halides and oxyhalides
Patent
1997-07-22
1998-11-24
Bonner, Melissa
Compositions
Inorganic luminescent compositions
Compositions containing halogen; e.g., halides and oxyhalides
2523016F, 25230133, 428403, 428407, C09K 1159, C09K 1166, C09K 1106
Patent
active
058397183
ABSTRACT:
A long persistent phosphorescence phosphor contains a europium-activated long persistent phosphorescence silicate phosphor of the formula (I),
REFERENCES:
patent: 1096644 (1914-05-01), Saubermann
patent: 3544481 (1970-12-01), Barry
patent: 4211813 (1980-07-01), Gravisse et al.
Hase Takashi
Omatoi Susumu
Ouchi Takao
Bonner Melissa
Kasei Optonix Ltd.
USR Optonix Inc.
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