GLASS PLATE AND PROCESS FOR MANUFACTURING GLASS PLATE

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United States of America Patent

APP PUB NO 20160046519A1
SERIAL NO

14783004

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The glass sheet of the present invention is a glass sheet with a thickness of 1.6 mm or less produced by a float process in which a molten glass material is formed into a sheet on a molten metal. When one surface of the glass sheet kept in contact with the molten metal during the formation of the molten glass material into the glass sheet is defined as a first surface and the other surface of the glass sheet opposite to the first surface is defined as a second surface, at least the first surface has a protective coating formed thereon by dealkalization, and the second surface has an etching rate of 2 nm/min or less when the second surface is etched using 0.1 mass % hydrofluoric acid at 50° C. as an etching liquid.

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Patent Owner(s)

Patent OwnerAddress
NIPPON SHEET GLASS COMPANY LIMITEDTOKYO 108-6321

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
FUKUSHIMA, Kiyomi Osaka, JP 3 6
MITANI, Kazuishi Osaka, JP 30 317
SAITO, Yasuhiro Osaka, JP 111 865
TANAKA, Satoshi Hyogo, JP 769 7480

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