Patents Assigned to Sofrigam SA
  • Reagent for a thermal machine
    Patent number: 12487012
    Abstract: The disclosed subject matter relates to a reactive matrix for the sorption/desorption of a heat transfer fluid (FG) in a reactor of a cold production device, this matrix comprising a compacted mixture of sorbent, of the manganese chloride monohydrate type, and expanded natural graphite in a preferred proportion of 79/21. The disclosed subject matter also relates to a method for manufacturing a wafer from this matrix and a reactor comprising a stack of such wafers.
    Type: Grant
    Filed: October 19, 2021
    Date of Patent: December 2, 2025
    Assignee: Sofrigam SA
    Inventors: Francis Kindbeitter, Xavier Lulka, Clement Serret, David Tadiotto, Gilles Labranque