Patents by Inventor Luiz Roberto Martins De Miranda

Luiz Roberto Martins De Miranda 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).

  • Patent number: 8187499
    Abstract: The invention is related to a composition destined to protect steels against corrosion by utilization of the steel's own rust as a passivating element, the rust being removed from the steel and/or being synthetically prepared and agglutinated with a resin, where the resin can have or cannot have as an electric conductivity promoter material an intrinsically conductor polymer (ICP), in this case polyaniline, in its conducting form (emeraldine salt) or non conducting (emeraldine base), besides filler(s) and a dispersant oil.
    Type: Grant
    Filed: February 14, 2007
    Date of Patent: May 29, 2012
    Assignees: IPQM-Instituto de Pesquisas da Marinha, COPPE/UFRJ-Coordenacao dos Programas de Pos Graduacao de Engenharia da Universidade Federal do Rio de Janeiro
    Inventors: Saint-Clair Dantas Oliveira Santos, Luiz Roberto Martins De Miranda, Bluma Guenther Soares, Paulo Roberto Araújo Martins
  • Publication number: 20090020729
    Abstract: The invention is related to a composition destined to protect steels against corrosion by utilization of the own steel rust as passivating element, the rust being removed from the steel and/or being synthetically prepared and agglutinated with a resin, where the resin can have or can not have as a electric conductivity promoter material an intrinsically conductor polymer (ICP), in this case polyaniline, in its conducting form (emeraldine salt) or non conducting (emeraldine base), besides load(s) and a dispersant oil.
    Type: Application
    Filed: February 14, 2007
    Publication date: January 22, 2009
    Inventors: Saint-Clair Dantas Oliveira Santos, Luiz Roberto Martins De Miranda, Bluma Guenther Soares, Paulo Roberto Araujo Martins