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:
Jun. 07, 2022
Filed:
Nov. 16, 2017
Covestro Deutschland Ag, Leverkusen, DE;
Alexander Meyer, Düsseldorf, DE;
Rafael Oser, Krefeld, DE;
Dirk Hinzmann, Pulheim, DE;
Timo Kuhlmann, Leichlingen, DE;
Covestro Deutschland AG, Leverkusen, DE;
Abstract
The invention relates to a vehicle body part, comprising a multi-layer body, comprising, in this order, a) optionally a protective layer a, b) a substrate layer b based on a thermoplastic polymer, having a light transmittance of less than 1.0% in the range of 380 to 780 nm, determined at a layer thickness of 4 mm in accordance with DIN ISO 13468-2:2006 (D65, 10°), and an energy transmittance TDS of less than 40%, determined in accordance with ISO 13837:2008 at a layer thickness of 4 mm, c) optionally a further layer c based on a thermoplastic polymer having a maximum thickness of 600 μm, d) a metal layer d, containing at least one element selected from Ag, Al, Au, Pt, Fe, Cr, Sn, In, Ti, Pd, Nb, Cu, V, stainless steel or alloys thereof, having a thickness of 40 nm to 500 μm, and e) optionally a protective layer e, wherein the metal layer d is arranged on the side of the multi-layer body that is intended to be oriented toward the vehicle interior and wherein the layers following the layer d), including the protective layer e, have a total thickness of at most 50 nm.