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:
Feb. 23, 2021
Filed:
Jan. 16, 2018
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); B29B 9/16 (2006.01); B33Y 70/00 (2020.01); B29C 64/153 (2017.01); B02C 23/10 (2006.01); B33Y 10/00 (2015.01); 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 70/00 (2014.12); 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 method for preparing a PEKK powder for use in SLS includes the steps of: providing a raw, non-powder PEKK material; heat treating the raw PEKK to evaporate at least substantially all of a liquid solvent in the raw PEKK, causing at least substantially all of the raw PEKK to be in the form of irregularly-shaped particles; cooling the raw PEKK; and grinding the raw PEKK to form a PEKK powder.