Patents Assigned to Societe Anonyme: Produits Chimiques Ugine Kuhlmann
  • Acetylene-like black and process
    Patent number: 4013759
    Abstract: The process comprises the incomplete combustion of at least one hydrocarbon having at least one ethylenical bond, preheated to a temperature clearly higher than its critical temperature, the black-formation temperature being at least 1700.degree. C and the recovering of the so formed black, which may be used in the manufacture of dry cells.
    Type: Grant
    Filed: May 15, 1974
    Date of Patent: March 22, 1977
    Assignee: Societe Anonyme: Produits Chimiques Ugine Kuhlmann
    Inventor: Claude Giet