Patents Assigned to Ste Francaise des Produits pour Catalyse Pro-Catalyse chez Institut Francais du Petrole
  • Process for the hydrotreatment of hydrocarbon oil employing catalysts based on alumina, silica or silica-alumina
    Patent number: 4584093
    Abstract: Supported catalysts which are made by shaping catalyst carrier, with or without catalyst precursors, into balls, calcining the balls at 300.degree.-1000.degree. C., and crushing the calcined balls to particles whose average size is 0.2-0.8 times the average diameter of the balls. When the precursors are not present during the manufacture, they are added thereafter.
    Type: Grant
    Filed: January 22, 1985
    Date of Patent: April 22, 1986
    Assignee: Ste Francaise des Produits pour Catalyse Pro-Catalyse chez Institut Francais du Petrole
    Inventors: Herve Toulhoat, Jean-Claude Plumail, Marc Mercier, Yves Jacquin