Compositions – Inorganic luminescent compositions – Zinc or cadmium containing
Reexamination Certificate
2005-01-04
2005-01-04
Koslow, C. Melissa (Department: 1755)
Compositions
Inorganic luminescent compositions
Zinc or cadmium containing
C252S30140S, C252S301500, C252S30160F, C252S30160S
Reexamination Certificate
active
06838020
ABSTRACT:
The invention is directed to luminescent materials containing isotopically-enriched atomic elements and methods of making these luminescent materials. Individual embodiments of the invention include isotopically-enriched ZnO:Zn, ZnS:Cu:Cl, Zn2SiO4:Mn, Y2O2S:Eu, Gd2O2S:Tb and CaWO4phosphors as well as methods of synthesizing these luminescent materials using isotopically-enriched starting materials.
REFERENCES:
patent: 3366573 (1968-01-01), Feuer
patent: 3382184 (1968-05-01), Goodman
Isonics Corporation
Koslow C. Melissa
Sheridan & Ross P.C.
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