Patent · US Expired

Polyamide-imide resin solution and the use thereof for producing wire enamels

US7122244B2 · kind B2 · utility

1Cited by

9References

19Claims

0Family size

Assignee

ALTANA ELECTRICAL INSULATION GMBH · DE

Inventors

Sascha Tödter König · Hamburg, DE
Klaus-Wilhelm Lienert · Hamburg, DE
Gerold Schmidt · Hamburg, DE

Key dates

Filing date	Aug 27, 2001
Grant date	Oct 17, 2006
Priority date	—
Expiry date	Sep 20, 2021

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/2969
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The present invention relates to a polyamideimide resin solution preparable by reacting (a) aromatic polycarboxylic acids and/or their anhydrides with (b) aromatic imide- and amide-forming components in cresol at temperatures above 170° C., to the use of this polyamideimide solution for the preparation of wire enamels, to the wire enamels in question, and to the enamelled wires coated therewith.

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