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:
Jun. 11, 2024
Filed:
Jan. 18, 2021
Applicant:
Hexcel Corporation, Stamford, CT (US);
Inventors:
Scott DeFelice, Holyoke, MA (US);
Anthony DeCarmine, Lebanon, CT (US);
Assignee:
Hexcel Corporation, Stamford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 65/46 (2006.01); B02C 23/10 (2006.01); B29B 9/16 (2006.01); B29C 64/153 (2017.01); B33Y 10/00 (2015.01); B33Y 70/10 (2020.01); C08G 65/40 (2006.01); C08J 3/12 (2006.01); C08J 5/04 (2006.01); C08L 71/12 (2006.01); B29K 71/00 (2006.01);
U.S. Cl.
CPC ...
B29B 9/16 (2013.01); B02C 23/10 (2013.01); B29C 64/153 (2017.08); B33Y 10/00 (2014.12); B33Y 70/10 (2020.01); C08G 65/4012 (2013.01); C08G 65/46 (2013.01); C08J 3/12 (2013.01); C08J 5/042 (2013.01); C08L 71/12 (2013.01); B29B 2009/168 (2013.01); B29K 2071/00 (2013.01); C08G 2650/40 (2013.01); C08J 2371/10 (2013.01);
Abstract
A powder composition suitable for laser sintering for printing a three-dimensional object obtained by pre-heating a raw PEKK to evaporate a liquid solvent in the raw PEKK and the grinding the raw PEKK to form a PEKK powder, the powder composition having a first fraction comprising a polyetherketoneketone (PEKK) powder having a plurality of particles, the plurality of particles having a mean diameter D50 in the range of 30 μm to 150 μm. The plurality of particles of the first fraction are substantially non-spherical.