Patent · US Active

High alkali glass composition

US8418505B2 · kind B2 · utility

1Cited by
16References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 7, 2012
Grant dateApr 16, 2013
Priority date
Expiry dateMar 7, 2032

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P40/50
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A glass composition useful in preparing fiberglass comprises 12 to 25 weight % CaO; 12 to 16 weight % Al2O3; 52 to 62 weight % SiO2; 0.05 to 0.8 Fe2O3; and greater than 2 up to about 8 weight % alkali metal oxide.

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