Patent · US Expired

Methods of introducing fluorine into glasses

US4521523A · kind A · utility

3Cited by
7References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 30, 1983
Grant dateJun 4, 1985
Priority date—
Expiry dateDec 30, 2003

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC03C1/028
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A method of introducing fluorine into glasses characterized by high fluorine retention and low processing costs which involves introducing the fluorine into the glass batch as a fluorine-containing frit comprising an inorganic fluoride and containing from about 6 to about 10 weight percent fluorine.

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