Patent · US Expired

Glasses compatible with aluminum

US6214471A · kind A · utility

17Cited by
9References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 3, 1999
Grant dateApr 10, 2001
Priority date
Expiry dateNov 3, 2019

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/12618
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A family of aluminoborate glasses that are compatible with aluminum at elevated temperatures, and an article comprising such a glass with either an aluminum coating, or with aluminum particles dispersed within the glass, whereby the glass may be rendered polarizing. The base glass consists essentially of, 15-85% B.sub.2 O.sub.3, 5-45% Al.sub.2 O.sub.3 and 10-75% Li.sub.2 O+RO, where RO represents the alkaline earth metal oxides MgO, CaO, SrO and BaO, and is free of oxides reacting with aluminum at elevated temperatures.

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