Patents Assigned to Rhodia Poliamide e Especialidades Ltda
  • Catalytic composition having a corrosion-inhibiting effect, method for inhibiting corrosion and use of same
    Patent number: 8821787
    Abstract: A catalytic composition with a corrosion-inhibiting effect on metal surfaces is described. Also described, is a corrosion-inhibiting process and use of a corrosion inhibitor. Further, the catalytic composition can have a corrosion-inhibiting effect on metal surfaces in contact with an esterification medium comprising a carboxylic acid and an alcohol, wherein the composition comprises as a catalyst, a strong protonic acid and, as corrosion inhibitor, an iron(III) carboxylate.
    Type: Grant
    Filed: May 19, 2011
    Date of Patent: September 2, 2014
    Assignee: Rhodia Poliamide e Especialidades Ltda
    Inventors: Carlos Eduardo Marenco, Wagner Lourenco, Renato Bresciani, Sergio Martins, Mario Pattaro, Wellington Bonifacio, João Carlos Lazarini