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:
Nov. 02, 2021
Filed:
Jan. 12, 2017
Applicant:
Arkema France, Colombes, FR;
Inventors:
Thibaut Montanari, Menneval, FR;
Christelle Recoquille, Nassandres, FR;
Bertrand Verbauwhede, Aclou, FR;
Assignee:
Arkema France, Colombes, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 1/08 (2006.01); B32B 27/08 (2006.01); B32B 27/22 (2006.01); B32B 27/34 (2006.01); B32B 7/02 (2019.01); B32B 27/18 (2006.01); F16L 11/04 (2006.01);
U.S. Cl.
CPC ...
B32B 1/08 (2013.01); B32B 7/02 (2013.01); B32B 27/08 (2013.01); B32B 27/18 (2013.01); B32B 27/22 (2013.01); B32B 27/34 (2013.01); B32B 2307/7265 (2013.01); B32B 2597/00 (2013.01); B32B 2605/08 (2013.01); F16L 11/04 (2013.01); Y10T 428/1393 (2015.01);
Abstract
A multilayer tubular structure MLT intended for the transport of petrol. The MLT has at least one inner barrier layer and at least one outer layer located above the barrier layer. All the layers located above the barrier layer contain from 0 to 5% of plasticizer relative to the total weight of the composition of the layer. The outer layer is predominantly at least one aliphatic polyamide. The polyamide(s) has a number of carbon atoms per nitrogen atom selected from the following: