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:
Mar. 21, 2017
Filed:
Dec. 12, 2011
Eliette Pinel, Sainte-Euphémie, FR;
Eric Gard, Genay, FR;
Mikael Petit, Villefranche-sur-Saône, FR;
Mohamed Gouider, Caluire-et-Cuire, FR;
Eliette Pinel, Sainte-Euphémie, FR;
Eric Gard, Genay, FR;
Mikael Petit, Villefranche-sur-Saône, FR;
Mohamed Gouider, Caluire-et-Cuire, FR;
VALLOUREC OIL AND GAS FRANCE, Aulnoye-Aymeries, FR;
NIPPON STEEL & SUMITOMO METAL CORPORATION, Tokyo, JP;
Abstract
The invention concerns a threaded tubular component for drilling or working hydrocarbon wells, said tubular component having at one of its ends () a threaded zone () produced on its outer or inner peripheral surface depending on whether the threaded end is male or female in type, in which at least a portion of the end () is coated with at least one film of polyurethane (),% solid state, with an essentially rigid structure, based on a matrix of polyurethane and polyurea, in which the urethane functionality is predominant with respect to the urea functionality in a proportion of at least% by weight.