Patent · US Active

Electrical insulation system based on poly(butylene terephthalate)

US7872091B2 · kind B2 · utility

0Cited by

4References

34Claims

0Family size

Assignee

ABB RESEARCH LTD. · CH

Inventors

Kurt Kaltenegger · Baden, CH
Xavier Kornmann · Lauchringen, DE
Jens Rocks · Pfäffikon, CH
Reto Weder · Habsburg, CH

Key dates

Filing date	Apr 14, 2008
Grant date	Jan 18, 2011
Priority date	—
Expiry date	Mar 3, 2029

Classification

Technology area (CPC H)Electricity
CPC primaryH01B3/423
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

An electrical insulation system and method are disclosed which are based on poly(butylene terephthalate), wherein the poly(butylene terephthalate) contains a polymerized cyclic low molecular weight oligomeric poly(butylene terephthalate) resin. At least one filler material or a mixture of filler materials can be included. At least one hydrophobic compound or a mixture of hydrophobic compounds can also be included.

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