Patents Examined by J. M. Tufariello
  • Modified carbon or graphite fibrous percolating porous electrode, and electrochemical reactors fitted with such an electrode
    Patent number: 4330387
    Abstract: This invention concerns a fibrous percolating porous electrode of the type containing a fibrous porous matrix made of carbon or graphite.The fibrous porous matrix, such as a carbon or graphite felt, is modified, for example by impregnation with a surface-active agent, and in the wetted state its apparent density in relation to water possesses specific values.
    Type: Grant
    Filed: December 16, 1980
    Date of Patent: May 18, 1982
    Assignee: Societe Nationale Elf Aquitaine
    Inventors: Michel Astruc, Pierre-Yves Guyomar, Catherine Lestrade