Glass composition

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United States of America Patent

PATENT NO 8304484
APP PUB NO 20100160528A1
SERIAL NO

12665439

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Disclosed is a glass composition having a stable quality, which can be easily obtained. This glass composition can be used as a glass filler to be blended into a polycarbonate resin, and enables to reduce the load imposed on a glass manufacturing apparatus. Specifically, this glass composition contains, in mass %, 50≦SiO2≦60, 8≦Al2O3≦15, 0≦MgO≦10, 5≦CaO<21, 02O+Na2O+K2O<2, 22≦10 and 0≦ZrO2<2 and does not substantially contain B2O3, F, and ZnO.

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Patent Owner(s)

  • NIPPON SHEET GLASS COMPANY, LIMITED

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fujiwara, Kosuke Tokyo, JP 27 224
Koyama, Akihiro Tokyo, JP 102 1677

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