Compositions – Inorganic luminescent compositions – Compositions containing halogen; e.g. – halides and oxyhalides
Patent
1985-11-15
1988-07-05
Cooper, Jack
Compositions
Inorganic luminescent compositions
Compositions containing halogen; e.g., halides and oxyhalides
C09K 1150, C09K 11477
Patent
active
047553243
ABSTRACT:
Materials having thermoluminescent properties use a base material and two 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 may be Eu.sub.2 O.sub.3, Sm, Ce O.sub.2, and/or La.sub.2 O.sub.3.
REFERENCES:
patent: 2521124 (1950-09-01), Miller
patent: 2527365 (1950-10-01), Leverenz
patent: 2979467 (1961-04-01), Keller
patent: 4374037 (1983-02-01), Takahashi
Cooper Jack
Quantex Corporation
Van Der Sluys Peter C.
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