Patents by Inventor Josanlet C. Villegas

Josanlet C. Villegas 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 for the removal of impurities from carbonate minerals
    Patent number: 8066885
    Abstract: A process for the beneficiation of carbonate mineral substrates by magnetic separation is defined herein wherein a phosphorus or nitrogen containing organic compound or reagent and a plurality of magnetic particles are intermixed with a carbonate containing mineral substrate, a magnetic field is applied to the mixture and a value mineral is thereby separated from a non-value mineral.
    Type: Grant
    Filed: January 3, 2008
    Date of Patent: November 29, 2011
    Assignee: Cytec Technology Corp.
    Inventors: Santhanjheri A. Ravishankar, Josanlet C. Villegas, Bing Wang
  • PROCESS FOR THE REMOVAL OF IMPURITIES FROM CARBONATE MINERALS
    Publication number: 20080164140
    Abstract: A process for the beneficiation of carbonate mineral substrates by magnetic separation is defined herein wherein a phosphorus or nitrogen containing organic compound or reagent and a plurality of magnetic particles are intermixed with a carbonate containing mineral substrate, a magnetic field is applied to the mixture and a value mineral is thereby separated from a non-value mineral.
    Type: Application
    Filed: January 3, 2008
    Publication date: July 10, 2008
    Inventors: Sathanjheri A. Ravishankar, Josanlet C. Villegas, Bing Wang