Patent · US Expired

Polyamideimide composition

US6914093B2 · kind B2 · utility

8Cited by
31References
2Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 16, 2001
Grant dateJul 5, 2005
Priority date
Expiry dateJan 26, 2022

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/294
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

Polyamideimide coating compositions for magnet wire which exhibit solvent or varnish-induced craze resistance. The polyamideimide compositions include a compound selected from the group consisting of diacid compounds, trimellitic anhydrides, benzophenonetetracarcoxylic anhydrides and mixtures thereof, a diisocyanate compound, dihydroxyl compound, a trihydroxyl compound, a fluoropolymer, and a mineral filler.

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