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:
Nov. 04, 2025
Filed:
Dec. 02, 2021
Arkema France, Colombes, FR;
Eos Gmbh Electro Optical Systems, Krailling, DE;
Benoît Brulé, Serquigny, FR;
Nadine Decraemer, Serquigny, FR;
Daniel Fröhlich, Gräfelfing, DE;
Verena Galitz, Krailling, DE;
Sabine Tutzschky, Seefeld, DE;
Andreas Pfister, Fürth, DE;
ARKEMA FRANCE, Colombes, FR;
EOS GMBH ELECTRO OPTICAL SYSTEMS, Krailling, DE;
Abstract
The invention relates to a pulverulent composition comprising a powder based on at least one polyaryl ether ketone, said composition having at least a first endothermic peak and a second endothermic peak, the first endothermic peak having a peak temperature strictly greater than 280° C., and the second endothermic peak having a peak temperature equal to a value of 200° C. to 280° C.; the endothermic peaks are measured on a thermogram obtained by differential scanning calorimetry, according to the standard ISO 11357-3: 2018, on first heating, using a temperature ramp of 20° C./minute. The invention also relates to a method for the electromagnetic radiation-mediated layer-by-layer sintering construction of a three-dimensional object from the pulverulent composition, to a method for determining the minimum construction temperature to be used, and also to objects that may be manufactured via this construction process.