Glass composition, preparation method of glass composition, and cooking appliance
US10836673B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 31, 2018 |
| Grant date | Nov 17, 2020 |
| Priority date | — |
| Expiry date | Jul 9, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03C2207/02
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A glass composition formed of a glass frit including P2O5, SiO2, B2O3, Al2O3, ZrO2 and group I-based oxide, wherein P2O5 is contained in an amount of 20 wt % to 40 wt % based on a total weight of the glass frit, SiO2 is contained in an amount of to wt % to 30 wt % based on the total weight of the glass frit, B2O3 is contained in an amount of 3 wt % to 20 wt % based on the total weight of the glass frit, Al2O3 is contained in an amount of 7 to 24 wt % based on the total weight of the glass frit, ZrO2 is contained in an amount of 1 wt % to 7 wt % based on the total weight of the glass frit, and the group I-based oxide is contained in an amount of 7 wt % to 28 wt % based on the total weight of the glass frit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.