Patent · US Expired

Heat-screening glass

US5342675A · kind A · utility

29Cited by
8References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 10, 1992
Grant dateAug 30, 1994
Priority date
Expiry dateFeb 10, 2012

Classification

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

Abstract

The present invention provides a heat-screening glass provided with a protective film having improved wear resistance and chemical resistance in comparison with a protective film of silicon dioxide. A heat-screening glass according to the present invention is composed of a transparent sheet glass and a heat-screening film coated thereon and a protective film made of silicon oxynitride as an outermost layer. The protective film is made of silicon oxynitride represented by the formula SiO.sub.x N.sub.y (where x ranges from 0.65 to 1.25 and y ranges from 0.05 to 0.67) .

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