based crystallized glass and method for producing same

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United States of America Patent

PATENT NO 9556062
APP PUB NO 20150266773A1
SERIAL NO

14402150

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Abstract

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In a Li2O—Al2O3—SiO2 based crystallized glass using SnO2 as a substitute fining agent for As2O3 or Sb2O3, a crystallized glass having less yellow coloration is provided at low costs. The glass is a Li2O—Al2O3—SiO2 based crystallized glass comprising from 0.01 to 0.9% of SnO2 in terms of % by mass and having a content of each of As2O3 and Sb2O3 of 1,000 ppm or less as a glass composition, which has a V2O5 content of from 0.08 to 15 ppm in the glass composition.

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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
Nakane, Shingo Shiga, JP 18 93
Ogawa, Shuhei Shiga, JP 42 136

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