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. 27, 2017
Filed:
Nov. 13, 2013
Rhodia Operations, Aubervilliers, FR;
Cnrs, Paris, FR;
Naji Hussein, Herry-Chekka, LB;
Didier Long, Sainte Foy les Lyon, FR;
Louise-Anne Fillot, Vaux-en-Velin, FR;
Lise Trouillet-Fonti, Villette-de-Vienne, FR;
RHODIA OPERATIONS, Paris, FR;
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, Paris, FR;
Abstract
The invention relates to a method for the melted production, especially by reactive extrusion, of block copolyamide comprising at least one aliphatic polyamide block and at least one semi-aromatic block, especially wherein the aromatic group has at least one hydroxyl or sulfonate function. The invention also relates to the block copolyamide that can be produced by said method; to a composition comprising the block copolyamide; to granules comprising such a copolyamide or such a composition; to a method for producing an item from a copolyamide or a composition of said copolyamide; and to uses of the copolyamide.