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:
Jun. 09, 2020
Filed:
Jun. 21, 2018
Arkema France, Colombes, FR;
Gilles Hochstetter, L'Hay les Roses, FR;
Mathieu Capelot, Bernay, FR;
Denis Huze, Fontaine sous Jouy, FR;
François Tanguy, Mantes-la-Jolie, FR;
Thibaut Savart, Sauvagnon, FR;
Arthur Pierre Babeau, Pau, FR;
Patrice Gaillard, Hagetaubin, FR;
ARKEMA FRANCE, Colombes, FR;
Abstract
An impregnated fibrous material comprising a fibrous material made of continuous fiber and at least one thermoplastic polymer matrix, wherein the at least one thermoplastic polymer is an non-reactive amorphous polymer, the glass transition temperature of which is such that Tg≥80° C., or a non-reactive semi-crystalline polymer, the melting temperature of which is Tf≥150° C., the fiber volume ratio is constant in at least 70% of the volume of the tape or ribbon, the fiber ratio in the pre-impregnated fibrous material ranging from 45 to 65% by volume, the porosity rate in the pre-impregnated fibrous material being less than 10%.