Patent · US Expired

Capacitor with a stabilized non halogenated impregnant

US4142223A · kind A · utility

6Cited by
2References
24Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 6, 1977
Grant dateFeb 27, 1979
Priority date
Expiry dateJun 6, 1997

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10N2040/17
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An electrical capacitor is impregnated with a base impregnant of a non halogenated aromatic liquid which absorbs gas in the range of 40.degree. to 100.degree. C. to which is added a material that is a greater gas absorber over the same temperature range.

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