Patents Represented by Attorney R. L. McKellar

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  • Metal extraction from solution and immobilized chelating agents used therefor
    Patent number: 4448694
    Abstract: What is disclosed are novel metal chelating agents which are bonded to inorganic substrates to immobilize them. An example of such a metal chelating agent is (CH.sub.3 O).sub.3 Si(CH.sub.2).sub.3 NH(CH.sub.2 CH.sub.2 NH).sub.2 (CH.sub.2).sub.3 Si(OCH.sub.3). An example of an inorganic substrate is a silica gel.
    Type: Grant
    Filed: September 4, 1981
    Date of Patent: May 15, 1984
    Assignee: Dow Corning Corporation
    Inventor: Edwin P. Plueddemann