Patents by Inventor Peter F. Wright

Peter F. Wright 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).

  • Immunoassays for discriminating between brucellosis infections and vaccinations
    Patent number: 5006463
    Abstract: A method is disclosed for discriminating between cattle vaccinated against and those infected with Brucella spp. The method involves immunoassay using a purified polysaccharide containing 4,6-dideoxy-4-acylamido-D-mannopyranosyl units obtained from B. abortus or from cross-reacting organisms, and results in improved differentiation between vaccinated and infected animals. Test kits are also disclosed for performing the assay and a process is disclosed for obtaining the O-chain polysaccharides in high purity and yield.
    Type: Grant
    Filed: September 25, 1987
    Date of Patent: April 9, 1991
    Assignee: National Research Council of Canada
    Inventors: John W. Cherwonogrodzky, J. Robert Duncan, Klaus Nielsen, Peter F. Wright, David R. Bundle, Malcolm B. Perry