Patents by Inventor David Peter Buxton

David Peter Buxton 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).

  • Anti corrosion treatment of metal coated steel having coatings of aluminium, zinc or alloys thereof
    Patent number: 6287394
    Abstract: The present invention relates to a method for treating a surface of zinc or of an alloy of zinc and aluminum, said method comprising the step of treating said surface with an aqueous solution having a pH of below 3 and comprising a complex formed from at least one species of metal oxo ion in conjunction with at least one species of hetero ion, the metal oxo ion being selected from the group consisting of molybdate, tungstate and vanadate; the hetero ion being selected from the group consisting of phosphorus (V), aluminium (III), silicon (IV), manganese (II), manganese (IV), zirconium (IV), titanium (IV), tin (IV), cerium (III) and nickel (II); and with a film forming acid tolerant resin compatible with the selected ions.
    Type: Grant
    Filed: October 12, 1999
    Date of Patent: September 11, 2001
    Assignees: BHP Steel (JLA) Pty. Ltd., PPG Industries Pty. Ltd.
    Inventors: David Peter Buxton, Peter John Riley
  • Anticorrosion treatment of metal coated steel having coatings of aluminium, zinc or alloys thereof
    Patent number: 5985047
    Abstract: The present invention relates to a surface treating dispersion for treating a surface of zinc or of an alloy of zinc and aluminum, the surface treating dispersion comprising an aqueous solution having a pH of below 3 and a complex formed from at least one species of metal oxo ion in conjunction with at least one species of hetero ion, the metal oxo ion being selected from the group consisting of molybdate, tungstate and vanadate, the hetero ion being selected from the group consisting of phosphorus (V), aluminum (III), silicon (IV), manganese (II), manganese (IV), zirconium (IV), titanium (IV), tin (IV), cerium (III) and nickel (II); and with a film forming acid tolerant resin compatible with the selected ions.
    Type: Grant
    Filed: September 30, 1996
    Date of Patent: November 16, 1999
    Assignees: ICI Australia Operations Pty. Ltd., BHP Steel (JLA) Pty. Ltd.
    Inventors: David Peter Buxton, Peter John Riley