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:
Dec. 24, 2024
Filed:
Dec. 04, 2020
Evonik Operations Gmbh, Essen, DE;
David Bléger, Düsseldorf, DE;
Peter Altenbuchner, Münster, DE;
Emmanouil Spyrou, Schermbeck, DE;
Thomas Pastor, Dülmen, DE;
Marie-Theres Wilkes, Dorsten, DE;
Odo Wunnicke, Münster, DE;
Benjamin Willy, Düsseldorf, DE;
Maik Dimmerling, Oer-Erkenschwick, DE;
Kim Bühning, Herten, DE;
Christiane Zatocil, Herten, DE;
Elke Gollan, Herne, DE;
Evonik Operations GmbH, Essen, DE;
Abstract
The present invention relates to an additive manufacturing process using a composition comprising the reaction product of a polyester polyol and a compound comprising at least one functional group that can react with a hydroxyl-group of the polyester polyol and at least one further functional group, selected from acrylate-or methacrylate-group, wherein the polyester polyol is based on at least one organic acid comprising at least two carboxyl groups or its anhydride and at least one polyol comprising at least two hydroxy-groups, wherein the reaction product has a glass transition temperature Tg of below 23° C., wherein the composition optionally further comprises a photoinitiator, as a photopolymerizable material in.