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.

Date of Patent:
Aug. 11, 2026

Filed:

Jun. 10, 2021
Applicant:

Saint-gobain Glass France, Courbevoie, FR;

Inventors:

Andreas Gomer, Kerpen, DE;

Raphaela Perlewitz, Aachen, DE;

Adrien Ceripa, Versailles, FR;

Daniel Krekel, Aachen, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 27/01 (2006.01); B32B 7/023 (2019.01); B32B 7/12 (2006.01); B32B 17/10 (2006.01); B32B 27/08 (2006.01);
U.S. Cl.
CPC ...
G02B 27/0103 (2013.01); B32B 7/023 (2019.01); B32B 7/12 (2013.01); B32B 17/10706 (2013.01); B32B 17/10743 (2013.01); B32B 17/10779 (2013.01); B32B 27/08 (2013.01); B32B 2250/05 (2013.01); B32B 2419/00 (2013.01); B32B 2605/00 (2013.01);
Abstract

A composite pane includes first and second panes, a layer stack arranged therebetween including a first thermoplastic intermediate layer, a separating layer, an adhesive layer, a photopolymer layer having a holographic element, a carrier layer, and a second thermoplastic intermediate layer. The carrier layer contains polyethylene terephthalate, polyethylene, polymethyl methacrylate, polyvinyl chloride, and/or cellulose triacetate and has a thickness of 20 μm to 100 μm. The carrier layer is arranged directly adjacent the photopolymer layer. The separating layer contains polyethylene terephthalate, polyethylene, polymethyl methacrylate, polycarbonate, polyamide, polyvinyl chloride, and/or cellulose triacetate and has a thickness of 10 μm to 300 μm. The adhesive layer is arranged directly adjacent the photopolymer layer and the separating layer.


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