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. 08, 2022
Filed:
May. 08, 2018
Applicant:
Covestro Deutschland Ag, Leverkusen, DE;
Inventors:
Serguei Kostromine, Swisttal-Buschhoven, DE;
Benjamin Herzberg, Cologne, DE;
Thomas Rölle, Leverkusen, DE;
Dennis Hönel, Zuelpich-Wichterich, DE;
Thomas Fäcke, Leverkusen, DE;
Heinz-Guenter Auweiler, Leverkusen, DE;
Assignee:
Covestro Deutschland AG, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03H 1/02 (2006.01); G03H 1/00 (2006.01); G11B 7/253 (2013.01); G11B 7/254 (2013.01); C08F 2/50 (2006.01); C08J 7/04 (2020.01); C08K 5/5398 (2006.01); C08L 29/14 (2006.01);
U.S. Cl.
CPC ...
C08J 7/0427 (2020.01); C08F 2/50 (2013.01); C08K 5/5398 (2013.01); C08L 29/14 (2013.01); G03H 1/0011 (2013.01); G03H 1/0248 (2013.01); G03H 1/0256 (2013.01); G11B 7/253 (2013.01); G11B 7/254 (2013.01); G03H 2250/39 (2013.01); G03H 2260/12 (2013.01); G11B 2007/25402 (2013.01);
Abstract
The invention relates to a layer construction comprising a curable protective layer C and a photopolymer layer B, to a method for producing such a layer construction, to a method for producing a hologram using such a layer construction, to a sealed holographic medium and to the use of such a layer construction for producing a hologram.