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:
Dec. 14, 2021
Filed:
Feb. 26, 2013
Applicant:
Technip France, Courbevoie, FR;
Inventor:
Alain Chalumeau, Notre-Dame-de-Bondeville, FR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B 7/00 (2006.01); E21B 17/20 (2006.01); B29C 48/21 (2019.01); B29C 48/00 (2019.01); B32B 1/08 (2006.01); C08L 27/16 (2006.01); F16L 11/08 (2006.01); B32B 27/30 (2006.01); B32B 27/22 (2006.01); B32B 27/34 (2006.01); B32B 15/08 (2006.01); B32B 27/32 (2006.01); B32B 27/08 (2006.01); B32B 27/20 (2006.01); C08K 5/12 (2006.01); C08K 5/11 (2006.01); B29K 27/00 (2006.01); B29K 105/00 (2006.01); B29K 705/00 (2006.01); B29L 9/00 (2006.01); B29L 23/00 (2006.01);
U.S. Cl.
CPC ...
E21B 17/20 (2013.01); B29C 48/022 (2019.02); B29C 48/21 (2019.02); B32B 1/08 (2013.01); B32B 15/08 (2013.01); B32B 27/08 (2013.01); B32B 27/20 (2013.01); B32B 27/22 (2013.01); B32B 27/304 (2013.01); B32B 27/32 (2013.01); B32B 27/34 (2013.01); C08K 5/12 (2013.01); C08L 27/16 (2013.01); F16L 11/083 (2013.01); B29K 2027/16 (2013.01); B29K 2105/0038 (2013.01); B29K 2105/0085 (2013.01); B29K 2705/00 (2013.01); B29L 2009/003 (2013.01); B29L 2023/005 (2013.01); B32B 2264/102 (2013.01); B32B 2264/104 (2013.01); B32B 2307/4026 (2013.01); B32B 2307/714 (2013.01); B32B 2597/00 (2013.01); C08K 5/11 (2013.01); C08L 2205/025 (2013.01);
Abstract
A flexible tubular structure for oil exploitation, said flexible tubular structure having at least one reinforcing layer and at least one layer of a fluoropolymer compound, wherein said fluoropolymer compound has a composition including a polyvinylidene fluoride homopolymer and a vinylidene fluoride/fluorinated comonomer copolymer, and a plasticizer. The proportion by weight of hexafluoropropylene monomer in the copolymer is greater than 25%.