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. 21, 2023
Filed:
Apr. 05, 2017
Applicant:
Technip France, Courbevoie, FR;
Inventor:
Frédéric Demanze, Caudebec en Caux, FR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 1/08 (2006.01); B32B 15/02 (2006.01); B32B 15/085 (2006.01); B32B 27/22 (2006.01); B32B 27/32 (2006.01); F16L 11/08 (2006.01); F16L 57/06 (2006.01);
U.S. Cl.
CPC ...
B32B 1/08 (2013.01); B32B 15/02 (2013.01); B32B 15/085 (2013.01); B32B 27/22 (2013.01); B32B 27/32 (2013.01); F16L 11/083 (2013.01); B32B 2270/00 (2013.01); B32B 2307/704 (2013.01); B32B 2307/714 (2013.01); B32B 2307/72 (2013.01); B32B 2307/7265 (2013.01); B32B 2597/00 (2013.01); F16L 57/06 (2013.01);
Abstract
An underwater pipe, including a metal reinforcing layer around an inner polymeric sealing sheath capable of being in contact with hydrocarbons. The inner polymeric sealing sheath includes a homopolymeric polypropylene or a mixture of homopolymeric polypropylenes, wherein the homopolymeric polypropylene or the mixture has a density greater than 0.900 g/cm, and a melt index measured at 230° C. under a mass of 2.16 kg of less than 10 g/10 minutes, its preparation method and its use for the transport of hydrocarbons. Such a sheath may be used in contact with hydrocarbons at high temperature.