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:
Aug. 18, 2015
Filed:
May. 31, 2012
Applicants:
Cyrille Mathieu, Rouen, FR;
Arnaud Lemaitre, Saint Martin-Saint Firmin, FR;
Inventors:
Cyrille Mathieu, Rouen, FR;
Arnaud Lemaitre, Saint Martin-Saint Firmin, FR;
Assignee:
ARKEMA FRANCE, Colombes, FR;
Primary Examiner:
Int. Cl.
CPC ...
C08L 77/00 (2006.01); C08G 69/02 (2006.01); B29C 67/00 (2006.01); C08G 69/04 (2006.01); C08J 3/12 (2006.01); C08K 3/38 (2006.01); C08J 11/04 (2006.01); C08K 3/24 (2006.01); C08K 3/32 (2006.01);
U.S. Cl.
CPC ...
C08G 69/02 (2013.01); B29C 67/0077 (2013.01); C08G 69/04 (2013.01); C08J 3/12 (2013.01); C08K 3/38 (2013.01); C08J 11/04 (2013.01); C08J 2377/00 (2013.01); C08K 3/24 (2013.01); C08K 3/32 (2013.01); Y02W 30/70 (2015.05);
Abstract
The present invention relates to a method for increasing the recyclability of a polyamide in a sintering process, wherein at least 4000 ppm of at least one acid is incorporated in the polyamide, said acid being selected from: the acids of general formula HxPyOz in which x, y and z are integers selected in the range from 1 to 7, boric acid, the salts of these acids, their esters, their anhydrides and mixtures thereof.