Patents Assigned to Niimsk
  • Method for the preparation of a catalyst for the dehydrogenation of C.sub.3 -C.sub.5 paraffins
    Patent number: 4746643
    Abstract: The invention relates to a method for the preparation of a catalyst for the dehydrogenation of C.sub.3 -C.sub.5 paraffins consisting in impregnating calcined aluminum oxide with a solution of chromium and potassium compounds, in drying and then impregnating the product obtained with a solution of a compound of silicon, the catalyst obtained being finally dried and calcined.
    Type: Grant
    Filed: June 16, 1986
    Date of Patent: May 24, 1988
    Assignees: Snamprogetti S.p.A., Niimsk
    Inventors: Franco Buonomo, Rodolfo Jezzi, Bruno Notari, Gheorghiy R. Kotelnikov, Konstantinovic R. Michailov, Victor A. Patanov