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:
Apr. 27, 2021
Filed:
Jul. 21, 2016
Applicant:
Arkema France, Colombes, FR;
Inventors:
Guillaume Le, Colombelles, FR;
Philippe Bussi, Maisons Laffitte, FR;
Assignee:
ARKEMA FRANCE, Colombes, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 3/32 (2006.01); C08K 5/521 (2006.01); C08L 71/00 (2006.01); C08G 65/40 (2006.01);
U.S. Cl.
CPC ...
C08K 3/32 (2013.01); C08G 65/40 (2013.01); C08G 65/4012 (2013.01); C08K 5/521 (2013.01); C08L 71/00 (2013.01); C08G 2650/40 (2013.01); C08K 2003/322 (2013.01); C08K 2003/324 (2013.01); C08L 2201/08 (2013.01); C08L 2205/025 (2013.01);
Abstract
A method for stabilizing a composition made from PAEK, said method including a step of incorporating a stabilizing agent against thermo-oxidation phenomena, said method being characterized in that said incorporated stabilizing agent is a phosphate salt, or a mixture of phosphate salts. The phosphate salt is incorporated into the composition based on PAEK by one of the following techniques: dry blending, compounding, wet impregnation or during the process for synthesizing the PAEK polymer.