Glass sheet having a high IR and visible transmission with a pleasing slight colour to neutral colour
US11161768B2 · kind B2 · utility
9Cited by
1References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 18, 2017 |
| Grant date | Nov 2, 2021 |
| Priority date | — |
| Expiry date | May 5, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC03C4/10
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A glass sheet having a composition which comprises total iron (expressed in terms of Fe2O3) from 0.002-0.06 wt %; chromium (expressed as Cr2O3) from 3-75 ppm; and manganese (expressed as MnO) from 50-1,000 ppm. The glass sheet has a LTD4 higher than 70%. Such a glass sheet exhibits at once a high luminous transmission, an increased transmission of infrared (IR) radiation and a pleasing slight color or an almost neutral to neutral color.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.