Patent · US Expired

Glass coating

US7727632B2 · kind B2 · utility

1Cited by
3References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 3, 2004
Grant dateJun 1, 2010
Priority date
Expiry dateJan 23, 2025

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/265
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

The invention relates to a coating for temperable substrates, in particular of glass panes. This coating comprises for example directly on the substrate an Si3N4 layer, thereon a CrN layer, thereon a TiO2 layer and lastly an Si3N4 layer.

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