Patents Assigned to Sud Chemie MT S.R.I.
  • Patent number: 6872684
    Abstract: Catalysts for oxychlorination of ethylene to 1,2-dichloroethane, comprising compounds of copper and magnesium supported on alumina, in which the copper, expressed as metal, is present in an amount of 7 to 12% by weight and the Mg/Cu ratio is 0.05 to 1, and wherein the ratio between the concentration of copper provided by the Al/Cu ratio at the surface and that provided by the Al/Cu ratio in the entire particle of the catalyst is from 0.8 to 1.3.
    Type: Grant
    Filed: March 3, 2004
    Date of Patent: March 29, 2005
    Assignee: Sud Chemie MT S.R.I.
    Inventors: Francesco Casagrande, Carlo Orsenigo