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. 10, 2026
Filed:
Sep. 21, 2022
Ampere S.a.s., Boulogne Billancourt, FR;
Centre National DE LA Recherche Scientifique (Cnrs), Paris, FR;
Ecole Nationale Supérieure DE Chimie DE Paris, Paris, FR;
Philippe Barboux, L'hay les Roses, FR;
Mohamed Chakir, Guyancourt, FR;
Domitille Giaume, Paris, FR;
Ine Haugland-Gosling, Aberdeen, GB;
Caroline Mir, Paris, FR;
AMPERE S.A.S., Boulogne Billancourt, FR;
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS), Paris, FR;
Ecole Nationale Supérieure de Chimie de Paris, Paris, FR;
Abstract
A process for preparing a compound of formula (NaOH)[Fe(OH)]FeS, may include: (a) mixing iron and sodium sulfide in equimolar amounts, in an NaOH aqueous solution; (b) heating the obtained mixture up to a temperature in a range of from 110 to 210° C. for a duration in a range of from 1 hour to 1 week; and (c) recovering the active material by filtering and drying in a neutral atmosphere.