Patent · US Active

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 dateJul 18, 2017
Grant dateNov 2, 2021
Priority date
Expiry dateMay 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.