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. 18, 2019
Filed:
Jul. 08, 2013
Applicant:
Arkema France, Colombes, FR;
Inventor:
Quentin Pineau, Evreux, FR;
Assignee:
ARKEMA FRANCE, Colombes, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08J 3/12 (2006.01); C08L 77/06 (2006.01); C08G 69/48 (2006.01); A61Q 19/00 (2006.01); A61K 8/88 (2006.01); C08G 69/26 (2006.01); C08G 69/36 (2006.01); C08L 77/00 (2006.01); A61K 8/02 (2006.01); C08J 3/16 (2006.01);
U.S. Cl.
CPC ...
C08J 3/12 (2013.01); A61K 8/022 (2013.01); A61K 8/0279 (2013.01); A61K 8/88 (2013.01); A61Q 19/00 (2013.01); C08G 69/26 (2013.01); C08G 69/36 (2013.01); C08G 69/48 (2013.01); C08J 3/16 (2013.01); C08L 77/00 (2013.01); C08L 77/06 (2013.01); A61K 2800/412 (2013.01); C08J 2377/00 (2013.01); C08J 2377/06 (2013.01); C08L 2201/54 (2013.01); Y10T 428/2982 (2015.01);
Abstract
A powder of polyamide particles, in which: said polyamide includes more than 50 mol % of amine ends among the total number of amine and acid ends of the polyamide; said particles include, on the surface thereof, primary amine groups neutralized by a phosphorous Bronsted acid, such as phosphoric acid; and the D50 of the particles falls within the range of 100 nm to 50 μm, preferably 100 nm to 20 μm. A method for producing such a powder and to the production of aqueous dispersions including same.