Alkali-free glass and preparation thereof

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United States of America Patent

PATENT NO 8895462
SERIAL NO

14018030

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Abstract

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The present invention provides the composition of an alkali-free glass composition containing no alkali metal oxide and the preparation thereof. The alkali-free glass comprising substantially no alkali metal oxide according to the present invention comprises 46 to 57 wt % of SiO2; 3.5 to 7.5 wt % of B2O3; 21 to 29 wt % of Al2O3; 3 to 14 wt % of MgO; 11 to 16 wt % of CaO; and 1 to 5 wt % of SrO, based on the total weight of oxides present therein.

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Patent Owner(s)

  • LG CHEM, LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bang, Jung-Sik Daejeon, KR 7 5
Kim, Da-Jeong Daejeon, KR 14 146
Kim, Sang-Kook Daejeon, KR 18 164
Kim, Su-Hwan Suncheon-si, KR 38 240
Lee, Dong-Kwon Daejeon, KR 7 14
Lim, Won-Bae Daejeon, KR 6 60

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