HIGH STRAIN POINT AND HIGH YOUNG'S MODULUS GLASSES

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EP 4 186 877 A8

(12)	CORRECTED EUROPEAN PATENT APPLICATION
	Note: Bibliography reflects the latest situation

(15)	Correction information:
	Corrected version no 1 (W1 A2)

(48)	Corrigendum issued on:
	02.08.2023 Bulletin 2023/31

(43)	Date of publication:
	31.05.2023 Bulletin 2023/22

(21)	Application number: 23151934.9

(22)	Date of filing: 10.06.2019

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International Patent Classification (IPC):

C03C 3/087^(2006.01)

C03C 3/091^(2006.01)

(52)	Cooperative Patent Classification (CPC):
	C03C 3/087; C03C 3/091; Y02P 40/57

(84)	Designated Contracting States:
	AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

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Priority:

19.06.2018 US 201862686850 P

(62)	Application number of the earlier application in accordance with Art. 76 EPC:
	19733376.8 / 3810558

(71)	Applicant: Corning Incorporated
	Corning, New York 14831 (US)

(72)	Inventors:
	BOTU, Venkatesh New York, 14830 (US) GUO, Xiaoju New York, 14870 (US) KING, Ellen Anne New York, 14879 (US) LAMBERSON, Lisa Ann New York, 14870 (US) TANDIA, Adama Pennsylvania, 16940 (US) VARGHEESE, Kochuparambil Deenamma New York, 14845 (US) WU, Jingshi New York, 14870 (US)

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


	Remarks:
	This application was filed on 17-01-2023 as a divisional application to the application mentioned under INID code 62.

(54)	HIGH STRAIN POINT AND HIGH YOUNG'S MODULUS GLASSES

(57) Substantially alkali free glasses are disclosed with can be used to produce substrates for flat panel display devices, e.g., active-matrix liquid crystal displays (AMLCDs). The glasses have high annealing temperatures and Young's modulus. Methods for producing substantially alkali free glasses using a downdraw process (e.g., a fusion process) are also disclosed.