The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 23, 2013
Filed:
May. 07, 2008
Manfred Stadlbauer, Linz, AT;
Eberhard Ernst, Unterweitersdorf, AT;
Lauri Huhtanen, Loviisa, FI;
Yvo Daniels, Zonhoven, BE;
Franck Jacobs, Evergem, BE;
Manfred Stadlbauer, Linz, AT;
Eberhard Ernst, Unterweitersdorf, AT;
Lauri Huhtanen, Loviisa, FI;
Yvo Daniels, Zonhoven, BE;
Franck Jacobs, Evergem, BE;
Borealis Technology Oy, Porvoo, FI;
Abstract
The present invention relates to a capacitor film comprising a biaxially oriented polypropylene wherein a) said polypropylene has a draw ratio in machine direction of at least 4.0 and a draw ratio in transverse direction of at least 4.0, and b) said polypropylene has an electrical breakdown strength EB63% according to IEC 60243-part 1 (1988) of at least 300 kV/mm at a draw ratio in machine direction and in transverse direction of 4.0.