TRANSPARENT GLASS-CERAMICS BASED ON ALPHA- AND BETA-WILLEMITE - Patent 1254080

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EP 1 254 080 A1

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(43)	Date of publication:
	06.11.2002 Bulletin 2002/45

(21)	Application number: 00970840.5

(22)	Date of filing: 12.10.2000

(51)	International Patent Classification (IPC)⁷: C03C 10/04, C09K 11/08, C09K 11/59

(86)	International application number:
	PCT/US0028/233

(87)	International publication number:
	WO 0102/8943 (26.04.2001 Gazette 2001/17)

(84)	Designated Contracting States:
	AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
	Designated Extension States:
	AL LT LV MK RO SI

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Priority:

18.10.1999 US 160138 P

(71)	Applicant: CORNING INCORPORATED
	Corning, N.Y. 14831 (US)

(72)	Inventor:
	PINCKNEY, Linda Corning, NY 14830 (US)

(74)	Representative: Le Roux, Martine et al
	Cabinet Beau de Loménie158, rue de l'Université 75340 Paris Cédex 07 75340 Paris Cédex 07 (FR)

(54)	TRANSPARENT GLASS-CERAMICS BASED ON ALPHA- AND BETA-WILLEMITE