High CTE opal glass compositions and glass articles comprising the same

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9701570
APP PUB NO 20150010739A1
SERIAL NO

14380574

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Abstract

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Opal glass compositions and glass articles comprising the same are disclosed. In one embodiment, a glass composition includes 55 mol. % to 70 mol. % SiO2 and 9 mol. % to 15 mol. % Al2O3 as glass network formers. The glass composition also includes 10 mol. % to 15 mol. % alkali oxide M2O, wherein M is at least one of Na and K. The glass composition also includes 2 mol. % to 8 mol. % divalent oxide RO, wherein R is at least one of Zn, Ca, and Mg. As an opalizing agent, the glass composition may also include 8.5 mol. % to 16 mol. % F−. The glass composition may also include 0 mol. % to 0.3 mol. % SnO2 as a fining agent and from about 0 mol. % to about 6 mol. % of colorant. The glass composition is free from As and compounds containing As.

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Patent Owner(s)

  • CORNING INCORPORATED

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Mauro, John Christopher Corning, US 101 1301
Smedskjaer, Morten Mattrup Aalborg, DK 9 182
Venkataraman, Natesan Painted Post, US 101 1260

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