Patents by Inventor Michael James Liddy

Michael James Liddy 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).

  • Enzyme insolubilization
    Patent number: 3981775
    Abstract: Enzymes are insolubilized by attachment to a polymeric material by grafting p-nitro styrene or p-nitrophenylacrylate to the polymeric material, converting the nitro group to an amino, diazo or isothiocyanate group and covalently attaching an enzyme to the active group so formed.
    Type: Grant
    Filed: January 10, 1975
    Date of Patent: September 21, 1976
    Inventors: Robert Sydney Kenyon, John Lyndon Garnett, Michael James Liddy