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:
Mar. 17, 2026
Filed:
Mar. 03, 2020
Covestro Intellectual Property Gmbh & Co. KG, Leverkusen, DE;
Georgios Tziovaras, Neuss, DE;
Heinz Pudleiner, Krefeld, DE;
Deivaraj Theivanayagam Chairman, Düsseldorf, DE;
Helge Kosthorst, Visselhövede, DE;
Christoph Koehler, Duisburg, DE;
Norbert Hermanns, Krefeld, DE;
Kira Planken, Goch, DE;
Stefan Janke, Brüggen, DE;
Covestro Deutschland AG, Leverkusen, DE;
Abstract
The present invention relates to a layer structure, preferably a hinge, particularly preferably a book cover, very particularly preferably a book cover for identification and security documents, comprising at least one outer layer a) containing at least one thermoplastic elastomer, preferably a thermoplastic polyurethane, and at least one layer b) containing at least one material selected from the group consisting of a polymer, a metal, a textile, a paper and a synthetic paper, or a combination of at least two of these, and also relates to a laminate comprising the above layer structure and to the method for producing same. The invention further relates to the use of the layer structure and/or laminate for the production of a hinge, preferably a multilayer book cover, especially for security and identification documents.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile