The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 12, 2016
Filed:
Dec. 12, 2014
General Electric Company, Schenectady, NY (US);
James Edward Murphy, Niskayuna, NY (US);
William Winder Beers, Chesterland, OH (US);
Robert Joseph Lyons, Whitewater, WI (US);
Fangming Du, Cleveland, OH (US);
General Electric Company, Niskayuna, NY (US);
Abstract
A process for preparing a color stable Mndoped complex fluoride phosphor of formula I includesA(M, Mn)F  (I)contacting a first aqueous HF solution comprising (1−m) parts of a compound of formula HMF, and a second aqueous HF solution comprising m*n parts of a compound of formula A[MnF], with a third aqueous HF solution comprising (1−n) parts of the compound of formula A[MnF] and a compound of formula AX, to yield a precipitate comprising the color stable Mndoped complex fluoride phosphor;