Patent · US Expired

Electrical coil, insulated by cured resinous insulation

US4204181A · kind A · utility

19Cited by
5References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 30, 1978
Grant dateMay 20, 1980
Priority date
Expiry dateOct 30, 1998

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH02K3/30
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A highly fluid, solventless, resinous, impregnating and coating composition, suitable as a high voltage insulation for electrical members, is made from an admixture containing: 100 parts of an epoxy resin, about 25 to 200 parts of an acid anhydride reactive with the epoxy resin, and about 0.002 to 1.00 part of a selected metal acetylacetonate, acting as a latent accelerator.

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