Patent · US Expired

Process for producing tungsten oxide

US5772978A · kind A · utility

14Cited by
10References
31Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 24, 1996
Grant dateJun 30, 1998
Priority date
Expiry dateApr 24, 2016

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC01P2006/60
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A process for producing a tungsten oxide precursor solution that includes converting a peroxypolytungstate solution to a stable oxide polytungstate solution. The precursor solution may subsequently be transformed to tungsten oxide having electrochromic properties.

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