Patent · US Expired

Process for preparing insulated wire

US5233011A · kind A · utility

2Cited by
1References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 18, 1992
Grant dateAug 3, 1993
Priority date
Expiry dateFeb 18, 2012

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01B7/292
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

An insulated wire having excellent thermal resistance and good surface appearance is obtained by coating a condutor with a specific polyimide in a temperature range of 300.degree. C. to 450.degree. C. and controlling moisture content to 200 ppm or less.

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