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. 31, 2020
Filed:
Nov. 24, 2016
Compagnie Generale Des Etablissements Michelin, Clermont-Ferrand, FR;
Milan Fedurco, Clermont-Ferrand, FR;
Antonio Delfino, Clermont-Ferrand, FR;
David Olsommer, Clermont-Ferrand, FR;
COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN, Clermont-Ferrand, FR;
Abstract
A solid composition, of use in particular on any type of metallic substrate as a hydrophobic, electrically conductive, metal-adhesive coating, comprises at least (% by weight of composition): as conductive filler, from 75% to 95% of electrically conductive microparticles, the weight-average size of which is between 1 μm and 100 μm; and as hydrophobic, metal-adhesive polymer matrix, from 5% to 25% of a polymer matrix denoted 'P', comprising at least 2 different polymers P1, a thermoplastic fluoropolymer, the weight-average molecular weight of which, denoted 'Mw', is between 100 000 and 1 000 000 g/mol; and P2, a thermoset resin, the glass transition temperature of which is between 30° C. and 150° C. A steel bipolar plate, especially made of stainless steel, for a fuel cell, may be coated with such a composition.