Patents by Inventor Guy G. Haesebroek

Guy G. Haesebroek 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).

  • Metal extraction by ion exchange
    Patent number: 5316683
    Abstract: Process for extracting Ge, Ga, In, As, Sb, Bi, Pt, Pd, Ni, and/or Co from an acid aqueous solution, wherein use is made of a resin with 8-hydroxyquinoline groups, resulting from the reaction of an aminated resin with an aldehyde and 8-hydroxyquinoline, characterized in that the aminated resin itself is obtained by imidoalkylation of a cross-linked styrene-copolymer and an ester or an ether of an N-hydroxyalkylimide and by hydrolysis of the imidoalkylation product.
    Type: Grant
    Filed: October 8, 1992
    Date of Patent: May 31, 1994
    Assignee: n.v. Union Miniere s.a.
    Inventors: Guy G. Haesebroek, Achille J. De Schepper
  • Process for recovering germanium
    Patent number: 5277882
    Abstract: A germanium bearing sulphate solution containing indium and/or gallium is brought at pH 1-2.5 into contact with an organic phase, containing a substituted 8-hydroxyquinoline and an acid organophosphorus compound. So, in addition to germanium, indium and gallium are also extracted from the sulphate solution.
    Type: Grant
    Filed: September 25, 1991
    Date of Patent: January 11, 1994
    Assignee: Union Miniere s.a.
    Inventors: Jean H. Vliegen, Guy G. Haesebroek, Achille J. De Schepper
  • Metal extraction process with substituted 8-hydroxyquinoline
    Patent number: 4942023
    Abstract: A process using an extractant, that consists on the one hand of an active component being substituted 8-hydroxyquinoline and on the other hand of by-products of the manufacture of said extractant, said process being characterized in that the extractant contains at least 90 wt % of the active component.
    Type: Grant
    Filed: December 21, 1988
    Date of Patent: July 17, 1990
    Assignee: Metallurgie Hoboken-Overpelt
    Inventors: Achille J. De Schepper, Guy G. Haesebroek, Antoine L. Van Peteghem