Compositions – Inorganic luminescent compositions – Compositions containing halogen; e.g. – halides and oxyhalides
Patent
1991-02-07
1991-08-27
Cooper, Jack
Compositions
Inorganic luminescent compositions
Compositions containing halogen; e.g., halides and oxyhalides
2523014H, C09K 1156
Patent
active
050430963
ABSTRACT:
Materials having thermoluminescent properties using a base material and three dopants and made from a process of mixing the parts together, heating the mixture to fuse together, grinding the mass into a fine powder, and reheating the powder. The resultant powder may be combined with a vehicle to form a paint. A fusible salt may be used in making the thermoluminescent material. The dopants are preferably La.sub.2 O.sub.3, Eu.sub.2 O.sub.3 and CeO.sub.2.
REFERENCES:
patent: 3673102 (1972-06-01), Lehmann et al.
patent: 4374037 (1983-02-01), Takahashi
Cooper Jack
Quantex Corp.
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