Patents by Inventor Paul R. Sheard

Paul R. Sheard 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).

  • Assays
    Patent number: 6159703
    Abstract: Enhanced extraction and assay of solubilized lipopolysaccharide antigens from bacteria such as Chlamydia by the use of a buffer containing an anionic polysaccharide, especially heparin, and surface active agent, especially CHAPS or CHAPSO.
    Type: Grant
    Filed: September 13, 1996
    Date of Patent: December 12, 2000
    Assignee: Unipath Limited
    Inventors: Jeanette E. Menton, Paul R. Sheard