Patent · US Expired

Tree retardant additive composition for polymeric insulation

US4400429A · kind A · utility

37Cited by
4References
44Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 30, 1982
Grant dateAug 23, 1983
Priority date
Expiry dateJun 30, 2002

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/2962
  • 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 hydrocarboxyalkoxy silane and a fatty acid. These compositions are particularly useful as insulation for high voltage transmission and distribution cables.

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