Patent · US Expired

Doped zinc oxide microspheres

US5269972A · kind A · utility

4Cited by
8References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 13, 1991
Grant dateDec 14, 1993
Priority date
Expiry dateAug 13, 2011

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/2982
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A new composition and method of making same for a doped zinc oxide microsphere and articles made therefrom for use in an electrical surge arrestor which has increased solid content, uniform grain size and is in the form of a gel.

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