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. 22, 2023
Filed:
Dec. 13, 2018
Applicant:
Covestro Deutschland Ag, Leverkusen, DE;
Inventors:
Georgios Tziovaras, Neuss, DE;
Heinz Pudleiner, Krefeld, DE;
Kira Planken, Goch, DE;
Stefan Janke, Brüggen, DE;
Christoph Koehler, Duisburg, DE;
Assignee:
Covestro Deutschland AG, Leverkusen, DE;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 27/08 (2006.01); B32B 27/36 (2006.01); B32B 7/023 (2019.01); B32B 27/30 (2006.01); C08K 5/00 (2006.01); G03H 1/02 (2006.01);
U.S. Cl.
CPC ...
B32B 27/365 (2013.01); B32B 7/023 (2019.01); B32B 27/08 (2013.01); B32B 27/302 (2013.01); C08K 5/0041 (2013.01); G03H 1/0244 (2013.01); G03H 1/0252 (2013.01); B32B 2255/10 (2013.01); B32B 2255/20 (2013.01); B32B 2270/00 (2013.01); B32B 2307/30 (2013.01);
Abstract
The present invention relates to a layered structure containing at least one layer (i) comprising a thermoplastic material and at least one further layer (ii) comprising a thermoplastic material bearing at least one embossed hologram, to a process for producing such layer composites and to security documents, in particular identification documents, having the layered structure according to the invention.