Patent · US Expired

Tree retardant additive composition for polymeric insulation

US4543381A · kind A · utility

11Cited by
5References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 24, 1983
Grant dateSep 24, 1985
Priority date
Expiry dateJun 24, 2003

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01B3/441
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An unfilled polymeric composition having improved electrical treeing and water treeing properties comprising a polymeric component and effective amounts of a silane and a fatty acid. The compositions are particularly useful as insulation for high voltage transmission and distribution cables.

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