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:
Sep. 02, 2025
Filed:
Feb. 15, 2023
Covestro Deutschland Ag, Leverkusen, DE;
Lena Nault, Cologne, DE;
Thomas Roelle, Leverkusen, DE;
Christel Manecke, Hürth, DE;
Richard Meisenheimer, Cologne, DE;
Friedrich-Karl Bruder, Krefeld, DE;
Covestro Deutschland AG, Leverkusen, DE;
Abstract
Photopolymer compositions include a) matrix polymers, b) writing monomers, c) at least one photoinitiator system, d) optionally at least one non-photopolymerisable component, e) optionally catalysts, radical stabilisers, solvents, additives and other auxiliary and/or additional materials. The at least one photoinitiator system c) consists of at least one colouring agent and at least one coinitiator. At least one of the colouring agents has a structure according to formula (II), and the at least one coinitiator has a calculated oxidation potential (E); determined according to the formula (1).