Patents Represented by Attorney Kramer & Amando, P.C.

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  • Recovering metals from soil
    Patent number: 7268273
    Abstract: The invention relates to recovering metals, such as nickel and cobalt, by phytomining or phytoextracting soils rich in metals wherein the desired metal is selectively accumulated in hyperaccumulator plants by adjusting the soil pH. The metals are ultimately recovered from above-ground plant tissues at economically acceptable levels without further contaminating the metal-containing sites. The invention also relates to metal-hyperaccumulating plants.
    Type: Grant
    Filed: November 10, 1999
    Date of Patent: September 11, 2007
    Assignees: The University of Maryland, The University of Sheffield, The United States of America as represented by the Secretary of Agriculture
    Inventors: Rufus L. Chaney, J. Scott Angle, Yin-Ming Li, Alan J. M. Baker