Patents Assigned to Simonsen Laboratories, Inc.
  • Modified live sendai virus vaccine for administering through an aerosol and method of producing the same
    Patent number: 4554158
    Abstract: Live Sendai viruses are modified in fertile chicken egg embryos to be administered as a vaccine through an aerosol for the immunization of animals against Sendai disease. The live Sendai viruses are diluted by at least thirty-one passages in fertile chicken egg embryos. Twenty passages are at a lower than normal incubation temperature and the remaining passages are at the normal incubation temperature.
    Type: Grant
    Filed: April 7, 1983
    Date of Patent: November 19, 1985
    Assignee: Simonsen Laboratories, Inc.
    Inventor: James D. Russell