Patent · US Expired

Method of making a cathode from tungsten and iridium powders using a barium peroxide containing material as the impregnant

US4818480A · kind A · utility

5Cited by
5References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 9, 1988
Grant dateApr 4, 1989
Priority date—
Expiry dateJun 9, 2008

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC22C1/045
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A cathode is made from a mixture of tungsten and iridium powders using a ium peroxide containing material as the impregnant.

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