Patent · US Active

Biaxially oriented electrical insulating film

US8163845B2 · kind B2 · utility

2Cited by

5References

12Claims

0Family size

Assignees

Treofan Germany GmbH & Co. KG · DE
Borealis Technology Oy · FI

Inventors

Detlef Busch · Saarlouis, DE
Thilo Mohr · Homburg, DE
Joachim Fiebig · Felberleiten, AT
Franck Jacobs · Evergem, BE
Yvo Daniels · Zonhoven, BE

Key dates

Filing date	Aug 29, 2007
Grant date	Apr 24, 2012
Priority date	—
Expiry date	Jun 1, 2028

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31692
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

The invention relates to a biaxially oriented electrical insulating film which contains a mixture from a polypropylene P1 and a polypropylene P2 which is different therefrom. The polypropylene P1 is a linear polypropylene and has an Mw/Mn>5 and a mesopentadene isotactic index of at least 95% and the polypropylene P2 has a long-chain branching.

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