Patents Assigned to COPPE/UFRJ—Instituto Alberto Luiz Colmbra de Pos Graduacao e Pesquisa de Engenharia
  • Patent number: 8926867
    Abstract: The present invention relates to the use of fruit skin extracts as corrosion inhibitors, more particularly to the use of the skin of fruits such as mango, cashew, passion-fruit and orange, inter alia, more specifically as corrosion inhibitors for steel in an acid medium, preferably carbon steel 1020 in a 1 mole/L?1 hydrochloric acid medium, and also for various types of steel, metals such as copper and copper alloys, inter alia, in neutral and basic media, and to the process for producing same.
    Type: Grant
    Filed: January 7, 2010
    Date of Patent: January 6, 2015
    Assignee: COPPE/UFRJ—Instituto Alberto Luiz Colmbra de Pos Graduacao e Pesquisa de Engenharia
    Inventors: Jose Antonio da Cunha Ponciano Gomes, Janaina Cardoso Rocha, Eliane D'Elia