Patent · US Expired

Fused P.sub.2 O.sub.5 type glasses

US4042404A · kind A · utility

6Cited by
1References
2Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 12, 1976
Grant dateAug 16, 1977
Priority date
Expiry dateApr 12, 1996

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC03C3/253
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

Fused oxide type glasses produced by flame hydrolysis are described. These glasses are composed of P.sub.2 O.sub.5 and, optionally, SiO.sub.2. P.sub.2 O.sub.5 is present in an amount of at least 2% by weight.

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