METHODS FOR MAKING ULTRA-LOW EXPANSION SILICA-TITANIA GLASSES - Patent 1094990

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EP 1 094 990 A1

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(43)	Date of publication:
	02.05.2001 Bulletin 2001/18

(21)	Application number: 99919954.0

(22)	Date of filing: 21.04.1999

(51)	International Patent Classification (IPC)⁷: C03B 8/04, C03B 20/00

(86)	International application number:
	PCT/US9908/777

(87)	International publication number:
	WO 9954/259 (28.10.1999 Gazette 1999/43)

(84)	Designated Contracting States:
	DE FR GB

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Priority:

22.04.1998 US 82710 P

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

(72)	Inventors:
	MAXON, John, E. Canton, NY 13617 (US) PAVLIK, Robert, Stephen, Jr. Corning, NY 14830 (US)

(74)	Representative: Marchant, James Ian
	Elkington and Fife,Prospect House,8 Pembroke Road Sevenoaks,Kent TN13 1XR Sevenoaks,Kent TN13 1XR (GB)

(54)	METHODS FOR MAKING ULTRA-LOW EXPANSION SILICA-TITANIA GLASSES