Patents by Inventor Guy Ranchin

Guy Ranchin 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 of upgrading nickeliferous oxide ores of lateritic origin
    Patent number: 4362558
    Abstract: A process of upgrading garnieritic ores, oxidized nickelifer ores of lateritic origin which includes subjecting the ore to controlled attrition and classifying particles so formed according to their size, those having a dimension smaller than a predetermined value being recovered.
    Type: Grant
    Filed: September 22, 1980
    Date of Patent: December 7, 1982
    Assignee: Societe Metallurgique le Nickel-SLN
    Inventors: Andre Desnoes, Jean-Jacques Predali, Guy Ranchin