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:
Jan. 06, 2026
Filed:
Mar. 12, 2020
Envalior Deutschland Gmbh, Duesseldorf, DE;
Jochen Endtner, Cologne, DE;
Dirk Schmitz, Weeze, DE;
Matthias Bienmueller, Krefeld, DE;
Wolfgang Wambach, Cologne, DE;
ENVALIOR DEUTSCHLAND GMBH, Duesseldorf, DE;
Abstract
The present invention relates to high-voltage components, especially for electromobility, comprising polymer compositions based on at least one polyester and 10,10'-oxybis-12H-phthaloperin-12-one, and to the use of 10,10′-oxybis-12H-phthaloperin-12-one for production of polyester-based products, with the proviso of a color difference ΔE<20 from the L*a*b* coordinates of a color number beginning with '2' in the RAL color chart, and to the use of 10,10′-oxybis-12H-phthaloperin-12-one for marking of polyester-based products as high-voltage components.