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:
Jul. 13, 2021
Filed:
Jul. 23, 2018
Applicant:
Covestro Deutschland Ag, Leverkusen, DE;
Inventors:
Serguei Kostromine, Swisttal-Buschhoven, DE;
Thomas Roelle, Leverkusen, DE;
Wieland Hovestadt, Leichlingen, DE;
Karl Vetterle, Leverkusen, DE;
Therese Klobutowski, Leverkusen, DE;
Assignee:
Covestro Deutschland AG, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 283/00 (2006.01); B29D 11/00 (2006.01); B32B 7/12 (2006.01); B32B 27/08 (2006.01); B32B 27/30 (2006.01); G03H 1/00 (2006.01); C09J 7/29 (2018.01); C08K 5/5415 (2006.01); G03H 1/02 (2006.01);
U.S. Cl.
CPC ...
C08F 283/008 (2013.01); B29D 11/0073 (2013.01); B32B 7/12 (2013.01); B32B 27/08 (2013.01); B32B 27/306 (2013.01); C08K 5/5415 (2013.01); C09J 7/29 (2018.01); G03H 1/0011 (2013.01); G03H 1/0256 (2013.01); G03H 2250/39 (2013.01); G03H 2260/12 (2013.01);
Abstract
The invention relates to a protective layer comprising a photopolymer layer B and an at least partly cured protective layer C, to a process for producing the layer construction according to the invention, to a kit of parts, to the use of an at least partly cured protective layer C for protection of a photopolymer layer B and to optical displays and security documents comprising the layer construction according to the invention.