Patent · US Expired

Method of enhancing the refractoriness of high purity fused silica

US4028124A · kind A · utility

7Cited by
2References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 26, 1976
Grant dateJun 7, 1977
Priority date
Expiry dateApr 26, 1996

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC04B35/14
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A method is disclosed wherein high purity fused silica is produced from a liquid flowable form of a silica slurry or sol and the refractoriness of the fused silica is enhanced by homogeneously doping the silica with a selected metal oxide in conjunction with elemental silicon.

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