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Coated phosphors, methods of making them, and articles comprising the same

United States Patent

February 19, 2013
View the Complete Patent at the US Patent & Trademark Office
Compositions comprising a phosphor and a compound having the formula R.sub.1R.sub.2M, wherein R.sub.1 is a substituted or unsubstituted alkyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl, alkoxy, alkoxyl, acyl heterocycle, haloalkyl, oxaalkyl, or silyl; R.sub.2 is a sulfate, sulfonate, or carboxylate and M is an alkali metal or an alkaline earth metal are provided. Phosphors coated with the compound, methods of making the coated phosphors and articles comprising the compositions are provided.
Lyons; Robert Joseph (Burnt Hills, NY)
General Electric Company (Niskayuna, NY)
12/ 646,205
December 23, 2009
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made with Government support under contract number DE-FC26-06NT42934 awarded by the U.S. Department of Energy. The Government has certain rights in the invention.