Patents by Inventor Regis Paulus

Regis Paulus 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).

  • Impregnated graphite cathode for the electrolysis of aluminium
    Patent number: 6723212
    Abstract: This cathode (3) contains, within the pores in its structure, a carbon-containing product fired at a temperature of less than 1600° C., improving the erosion resistance by protecting the graphitized binder.
    Type: Grant
    Filed: November 19, 2001
    Date of Patent: April 20, 2004
    Assignee: Carbone Savoie
    Inventors: Regis Paulus, Jean-Michel Dreyfus
  • Group VIII and VIB metal sulfide catalysts, their manufacture and their use for hydrotreating hydrocarbon cuts containing sulfur
    Patent number: 4596785
    Abstract: This invention concerns a method of preparing catalysts and certain catalysts which can be obtained by the method. The method comprises (a) coprecipitating at least a group VIII metal sulfide with at least a group VIB metal sulfide, at a pH maintained at a value of 4.5 to 8; (b) separating the resultant precipitate; (c) drying the precipitate; and (d) calcining the dried precipitate; all the steps being effected under an inert atmosphere. The catalysts have a stoichiometry of 1.2 to 2.
    Type: Grant
    Filed: September 24, 1984
    Date of Patent: June 24, 1986
    Assignee: Institut Francais du Petrole
    Inventors: Herve Toulhoat, Regis Paulus, Yves Jacquin