Patents by Inventor R. Mensah-Biney

R. Mensah-Biney 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).

  • Aqueous biphasic plutonium oxide extraction process with pH and particle control
    Patent number: 5625862
    Abstract: A method for simultaneously partitioning a metal oxide and silica from a material containing silica and the metal oxide, using a biphasic aqueous medium having immiscible salt and polymer phases.
    Type: Grant
    Filed: May 1, 1995
    Date of Patent: April 29, 1997
    Assignee: ARCH Development Corporation
    Inventors: David J. Chaiko, R. Mensah-Biney
  • Aqueous biphasic extraction process with pH and particle control
    Patent number: 5411149
    Abstract: A process for aqueous biphasic extraction of metallic oxides and the like from substances containing silica. Control of media pH enables efficient and effective partition of mixture components. The inventive method may be employed to remove excess silica from kaolin clay.
    Type: Grant
    Filed: August 11, 1992
    Date of Patent: May 2, 1995
    Assignee: ARCH Development Corporation
    Inventors: David J. Chaiko, R. Mensah-Biney