Patents by Inventor Pierre L. J. Coursaget

Pierre L. J. Coursaget 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).

  • Non-A, non-B hepatitis assay and vaccine
    Patent number: 4464474
    Abstract: A newly discovered particle in the urine and serum of non-A, non-B hepatitis patients has been associated with non-A, non-B hepatitis. The particle resembles a togavirus and is 50-60 nm in diameter with a discrete core of about 40 nm in diameter. The virus loses its infectivity for tissue culture upon heating at 25.degree. C. in aqueous suspension or by exposure to ether. The particle may be cultured in vitro or recovered from body fluids or tissues to make immunoassays and vaccines. The immunoassays may be employed to detect the particle antigens or antibodies thereto in test samples.
    Type: Grant
    Filed: July 9, 1980
    Date of Patent: August 7, 1984
    Assignee: Connaught Laboratories Limited
    Inventors: Pierre L. J. Coursaget, Philippe C. Maupas