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. 14, 2021
Filed:
Sep. 29, 2017
Applicant:
Evonik Operations Gmbh, Essen, DE;
Inventors:
Wolfgang Diekmann, Waltrop, DE;
Maik Grebe, Bochum, DE;
Franz-Erich Baumann, Dülmen, DE;
Sylvia Monsheimer, Haltern am See, DE;
Beatrice Küting, Marl, DE;
Assignee:
Evonik Operations GbmH, Essen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 69/28 (2006.01); C04B 35/634 (2006.01); B29C 64/165 (2017.01); B33Y 70/00 (2020.01); C08J 3/14 (2006.01); C08G 69/14 (2006.01); B29C 64/153 (2017.01);
U.S. Cl.
CPC ...
C04B 35/63468 (2013.01); B29C 64/165 (2017.08); B33Y 70/00 (2014.12); C08G 69/14 (2013.01); C08G 69/28 (2013.01); C08J 3/14 (2013.01); B29C 64/153 (2017.08); C08J 2377/02 (2013.01); C08J 2377/06 (2013.01);
Abstract
A polyamide powder for selective absorbing sintering, SAS, or selective inhibition sintering, SIS. The polyamide powder has a solution viscosity to ISO 307 of 1.8 to 2 and a rise in the solution viscosity of 0% to 25% when it is subjected to a temperature 20° C. below its melting temperature under air for 20 hours.