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:
Apr. 14, 2026
Filed:
Jun. 21, 2018
Arkema France, Colombes, FR;
Gilles Hochstetter, L'Hay les Roses, FR;
Mathieu Capelot, Bernay, FR;
Thibaut Savart, Sauvagnon, FR;
Arthur Pierre Babeau, Pau, FR;
Denis Huze, Fontaine sous Jouy, FR;
François Tanguy, Mantes-la-Jolie, FR;
Patrice Gaillard, Hagetaubin, FR;
ARKEMA FRANCE, Puteaux, FR;
Abstract
The present invention relates to an impregnated fibrous material comprising a fibrous material made of continuous fibers and at least one reactive thermoplastic prepolymer, and optionally a chain extender, characterized in that the at least one reactive thermoplastic prepolymer is partially polymerized, optionally with the chain extender, and has a number-average molecular weight (Mn) ranging from 500 to 10,000, preferably from 4,000 to 8000, the proportion of fibers in the impregnated fibrous material being 45 to 65% by volume, preferably 50 to 60% by volume, and in particular 54 to 60%.