Patents by Inventor Rachid Ben-Slimane

Rachid Ben-Slimane 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).

  • Recovery of manganese from leach solutions
    Patent number: 5534234
    Abstract: Methods of recovering manganese in the form of manganese carbonate from ores containing manganese and iron while also removing substantially all of the iron contained in the sulfurous acid leach solution are disclosed.
    Type: Grant
    Filed: November 14, 1994
    Date of Patent: July 9, 1996
    Inventors: Lorin D. Reddin, Malcolm T. Hepworth, Rachid Ben-Slimane, Glenn D. Welch