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:
May. 02, 2023
Filed:
May. 07, 2018
Applicant:
Covestro Deutschland Ag, Leverkusen, DE;
Inventors:
Serguei Kostromine, Swisttal-Buschhoven, DE;
Thomas Rölle, Leverkusen, DE;
Thomas Fäcke, Leverkusen, DE;
Karl Vetterle, Leverkusen, DE;
Assignee:
Covestro Deutschland AG, Leverkusen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03H 1/02 (2006.01); G11B 7/24044 (2013.01); G11B 7/254 (2013.01); B32B 27/30 (2006.01);
U.S. Cl.
CPC ...
G03H 1/0252 (2013.01); G03H 1/0248 (2013.01); G03H 1/0256 (2013.01); G11B 7/24044 (2013.01); G11B 7/254 (2013.01); B32B 27/308 (2013.01); B32B 2310/0831 (2013.01); B32B 2310/0837 (2013.01); B32B 2333/04 (2013.01); G03H 2250/39 (2013.01);
Abstract
The invention relates to a scaled holographic medium comprising a layer construction B'-C1′-C2′, to a process for producing the sealed holographic medium, to a kit of parts, to a layer construction comprising a protective layer and a substrate layer and to the use thereof.