Patents by Inventor Leslie Ann Harrison

Leslie Ann Harrison 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).

  • Patent number: 5919648
    Abstract: The present invention relates to an enzyme process for the one-step conversion of cephalosporin C or a derivative thereof into 7-aminocephalosporanic acid or a corresponding derivative thereof.
    Type: Grant
    Filed: April 25, 1997
    Date of Patent: July 6, 1999
    Assignee: Glaxo Group Limited
    Inventors: Keith William Burr, Martin Ramsden, Graham Timothy Illing, Leslie Ann Harrison, Nicholas John Maishman, David Wilson Spence, Andrew Slade