Patents by Inventor James Keith Gerard Murphy

James Keith Gerard Murphy 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).

  • OXYGEN SCAVENGING COMPOSITION AND METHOD FOR MAKING SAME
    Publication number: 20090032773
    Abstract: The present invention provides polymeric compositions comprising an hydrogenated anthraquinone derivative and/or its enol/enolate tautomer. Methods of scavenging oxygen and preventing transmission of oxygen into a package using said compositions are also provided.
    Type: Application
    Filed: June 28, 2005
    Publication date: February 5, 2009
    Inventors: Mark Andrew Horsham, Andrew David Scully, James Keith Gerard Murphy, Ross Anthony Santangelo, Michael McNally
  • Self-reducing anthraquinone compounds
    Publication number: 20040175314
    Abstract: A method of scavenging oxygen in an atmosphere or liquid comprising the steps of: (i) treating an anthraquinone compound according to the formula: (I) wherein X1-X4 and R1-R4 are as defined in the claims, with predetermined conditions so as to reduce the anthraquinone compound to a reduced form oxidizable by oxygen; and ii) exposing the atmosphere or liquid to said compound; such that at least a portion of teh oxygen in teh atmosphere or liquid is removed through oxidation of the reduced form of the anthraquinone compound, and wherein steps i) and ii) may be carried out in either order.
    Type: Application
    Filed: May 12, 2004
    Publication date: September 9, 2004
    Inventors: Mark Andrew Horsham, Andrew David Scully, James Keith Gerard Murphy