Patents by Inventor João Batista Conti de Souza

João Batista Conti de Souza 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).

  • Process to produce manganese pellets from non-calcinated manganese ore and agglomerate obtained by this process
    Patent number: 9181601
    Abstract: It is described a manganese pellet production from non-calcinated manganese ore, comprising the following phases: (a) ore size preparation through ore classification by function of particle size, smaller or equal to 1 mm particles being maintained from the ore particle fraction process so as to have a smaller or equal to 1 mm size, as well as the comminution of these particles; (b) flux addition; (c) agglomerant addition; (d) pelletizing resulting in crude pellets; and (e) thermal processing through crude pellet drying, pre-heating and heating.
    Type: Grant
    Filed: July 27, 2009
    Date of Patent: November 10, 2015
    Assignee: VALE S.A.
    Inventors: Washington Luiz Mafra, João Batista Conti de Souza
  • PROCESS TO PRODUCE MANGANESE PELLETS FROM NON-CALCINATED MANGANESE ORE AND AGGLOMERATE OBTAINED BY THIS PROCESS
    Publication number: 20120103134
    Abstract: It is described a manganese pellet production from non-calcinated manganese ore, comprising the following phases: (a) ore size preparation through ore classification by function of particle size, smaller or equal to 1 mm particles being maintained from the ore particle fraction process so as to have a smaller or equal to 1 mm size, as well as the comminution of these particles; (b) flux addition; (c) agglomerant addition; (d) pelletizing resulting in crude pellets; and (e) thermal processing through crude pellet drying, pre-heating and heating.
    Type: Application
    Filed: July 27, 2009
    Publication date: May 3, 2012
    Applicant: VALE S.A.
    Inventors: Washington Luiz Mafra, João Batista Conti de Souza