Patent · US Active

Glass sheet

US10040716B2 · kind B2 · utility

0Cited by

2References

7Claims

0Family size

Assignee

ASAHI GLASS CO., LTD. · JP

Inventors

Shuji Yamazaki · Tokyo, JP
Shusaku Akiba · Tokyo, JP
Seiki Ohara · Tokyo, JP
Kazunari Tohyama · Tokyo, JP

Key dates

Filing date	Jun 23, 2017
Grant date	Aug 7, 2018
Priority date	—
Expiry date	Jun 27, 2037

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC03C2204/00
WIPO fieldMaterials, metallurgy
WIPO sectorChemistry

Abstract

A glass sheet includes, as represented by mole percentage based on oxides, from 55.5 to 80% of SiO2, from 12 to 20% of Al2O3, from 8 to 25% of Na2O, 2.5% or more of P2O5, and 1% or more of an alkaline earth metal RO (RO is MgO+CaO+SrO+BaO).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.