Glass

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United States of America Patent

PATENT NO 11572304
APP PUB NO 20200165155A1
SERIAL NO

16469340

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Abstract

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An alkali-free glass of the present invention includes as a glass composition, in terms of mass %, 55% to 70% of SiO2, 15% to 25% of Al2O3, 0% to 5% of B2O3, 3% to 10% of MgO, 7% to 20% of SrO, and 0% to 5% of BaO, is substantially free of an alkali metal oxide, and has a strain point of more than 720° C.

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Patent Owner(s)

  • NIPPON ELECTRIC GLASS CO. LTD

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Saito, Atsuki Shiga, JP 22 13

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