Patents by Inventor Claude Giet

Claude Giet has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Acetylene black with high electrical conductivity and high absorptive power
    Patent number: 4279880
    Abstract: Carbon blacks having a carbon content greater than 99%, a mean particle diameter of 250 to 300 A, an electrical resistivity, measured under a pressure of 6.3 bars, of 0.270 to 0.350 ohm.cm and a DBP index of 400 to 500 ml per 100 g of black are disclosed together with a process for their preparation by incomplete combustion of acetylene in air. These blacks may be used especially for the manufacture of electric cells.
    Type: Grant
    Filed: September 11, 1979
    Date of Patent: July 21, 1981
    Assignee: Produits Chimiques Ugine Kuhlmann
    Inventor: Claude Giet
  • 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