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:
Aug. 31, 2021
Filed:
Mar. 24, 2016
Applicant:
Voestalpine Stahl Gmbh, Linz, AT;
Inventors:
Ronald Fluch, Linz, AT;
Roman Tiefenthaller, Vöcklabruck, AT;
Assignee:
voestalpine Stahl GmbH, Linz, AT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 41/04 (2006.01); C09D 163/00 (2006.01); C21D 8/12 (2006.01); C08G 59/40 (2006.01); H01F 5/02 (2006.01);
U.S. Cl.
CPC ...
H01F 41/04 (2013.01); C08G 59/4021 (2013.01); C09D 163/00 (2013.01); C21D 8/1277 (2013.01); H01F 5/02 (2013.01);
Abstract
A coil and an electrical strip or electrical sheet with at least one heat-hardening hotmelt varnish, namely a baked enamel layer, provided on its flat sides, which has an epoxy resin base, at least one hardener, and at least one filler, are disclosed. In order to achieve a high storage stability and long-term temperature stability, the proposal is made for the filler of the baked enamel layer to have a metal carbonate, sulfate, sulfide, silicate, or phosphate or any mix of a plurality of these.