Patents by Inventor Jean-Claude Delgoffe

Jean-Claude Delgoffe 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).

  • Temperature sensitive strain of bovine viral diarrhoea virus
    Patent number: 4714678
    Abstract: Disclosed is a temperature - sensitive (ts) mutant of bovine viral diarrhoea (BVD) virus which shows a considerably limited replication ability at the animal body temperature. The mutant is prepared by reacting wild-type BVD with a chemical mutagen such as nitrous acid. The mutant virous is advantageously used in vaccine compositions because it is capable of inducing immunity in bovines without causing serious side effects.
    Type: Grant
    Filed: July 31, 1986
    Date of Patent: December 22, 1987
    Assignee: SmithKline-RIT
    Inventors: Jean-Claude Delgoffe, Michele Lobmann, Nathan Zygraich
  • Temperature sensitive strains of bovine viral diarrhoea virus, preparation thereof and vaccines containing them
    Patent number: 4618493
    Abstract: A live bovine viral diarrhoea (BVD) virus vaccine capable of producing immunity in bovines without causing significant side effects comprising a temperature sensitive (ts) mutant of BVD virus which is obtained by mutating a strain of BVD virus with nitrous acid. The temperature sensitive mutants show a replication ability considerably limited at the animal body temperature of 39.5.degree. C. The vaccine may be combined with other live bovine vaccines such as respiratory virus vaccines and then administered to bovines.
    Type: Grant
    Filed: October 13, 1982
    Date of Patent: October 21, 1986
    Assignee: SmithKline-RIT
    Inventors: Jean-Claude Delgoffe, Michele Lobmann, Nathan Zygraich