ELECTROLUMINESCENT PHOSPHORS WITH LONG LIFE AND METHOD FOR MAKING THE SAME - Patent 0477354

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EP 0 477 354 A1

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(43)	Date of publication:
	01.04.1992 Bulletin 1992/14

(21)	Application number: 91908777.0

(22)	Date of filing: 17.04.1991

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International Patent Classification (IPC):

C09K 11/ 08^{( . )}
C09K 11/ 58^{( . )}
H05B 33/ 10^{( . )}
H05B 33/ 14^{( . )}

C09K 11/ 56^{( . )}
C09K 11/ 88^{( . )}
H05B 33/ 12^{( . )}

(86)	International application number:
	PCT/US1991/002640

(87)	International publication number:
	WO 1991/016722 (31.10.1991 Gazette 1991/25)

(84)	Designated Contracting States:
	AT BE CH DE DK ES FR GB GR IT LI LU NL SE

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Priority:

17.04.1990 US 19900509856
15.11.1990 US 19900613612

(71)	Applicant: LOCTITE LUMINESCENT SYSTEMS, INC.
	Lebanon New Hampshire 03766 (US)

(72)	Inventor:
	FARIA, Sixdeniel El Paso, TX 79912 (US)

(74)	Representative: Davies, Jonathan Mark
	Reddie & Grose 16 Theobalds Road London WC1X 8PL London WC1X 8PL (GB)

(54)	ELECTROLUMINESCENT PHOSPHORS WITH LONG LIFE AND METHOD FOR MAKING THE SAME