Patents by Inventor Patricia Ann Marsh

Patricia Ann Marsh 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).

  • Method of decorating a substrate by application of gold nanoparticles
    Patent number: 6875465
    Abstract: A method for decorating a substrate using novel thiol-stabilised gold nanoparticles of the general formula HSR where R is a C3-C60 alkyl group, aryl, benzyl, alicyclic, or heterocyclic group which is substituted or unsubstituted, branched or unbranched. The thiol-stabilised gold nanoparticles exhibit a plasmon frequency of between 480 and 600 nm.
    Type: Grant
    Filed: March 12, 2001
    Date of Patent: April 5, 2005
    Assignee: Johnson Matthey Public Limited Company
    Inventors: Peter Trenton Bishop, Patricia Ann Marsh, Bénédiete Jeanne Suzanne Thiébaut, Alison Mary Wagland
  • Gold nanoparticles
    Publication number: 20030118729
    Abstract: The present invention relates to novel thiol stabilised gold nanoparticles for decorative uses. Methods of their preparation, compositions comprising them and uses of gold nanoparticles and compositions are also described.
    Type: Application
    Filed: September 12, 2002
    Publication date: June 26, 2003
    Inventors: Peter Trenton Bishop, Patricia Ann Marsh, Benediete Jeanne Suzanne Thiebault, Alison Mary Wagland