Patents Assigned to Pfizer Incorporated
  • In ovo vaccination against coccidiosis
    Patent number: 7018640
    Abstract: The invention relates to a method of vaccinating a domesticated bird against coccidiosis comprising administering in ovo an effective immnunizing dose of live Eimeria sporozoites or merozoites, or a mixture thereof. In a preferred embodiment, the domesticated bird that is vaccinated is a chicken or turkey.
    Type: Grant
    Filed: March 8, 2002
    Date of Patent: March 28, 2006
    Assignee: Pfizer Incorporated
    Inventors: Nigel A. Evans, Robert Craig Findly, Frederick H. Weber
  • Ovo vaccination against coccidiosis
    Patent number: 6627205
    Abstract: The invention relates to a method of vaccinating a domesticated bird against coccidiosis comprising administering in ovo an effective immunizing dose of live Eimeria sporocysts or oocysts, or a mixture thereof.
    Type: Grant
    Filed: March 8, 2002
    Date of Patent: September 30, 2003
    Assignee: Pfizer Incorporated
    Inventors: Nigel A. Evans, Robert Craig Findly, Frederick H. Weber
  • In ovo vaccination against coccidiosis
    Patent number: 6500438
    Abstract: The invention relates to a method of vaccinating a domesticated bird against coccidiosis comprising administering in ovo an effective immunizing dose of live Eimeria sporozoites or merozoites, or a mixture thereof. In a preferred embodiment, the domesticated bird that is vaccinated is a chicken or turkey.
    Type: Grant
    Filed: December 1, 1997
    Date of Patent: December 31, 2002
    Assignee: Pfizer Incorporated
    Inventors: Nigel A. Evans, Robert Craig Findly, Frederick H. Weber
  • In ovo vaccination against coccidiosis
    Patent number: 6495146
    Abstract: The invention relates to a method of vaccinating a domesticated bird against coccidiosis comprising administering in ovo an effective immunizing dose of live Eimeria sporocysts or oocysts, or a mixture thereof.
    Type: Grant
    Filed: December 1, 1997
    Date of Patent: December 17, 2002
    Assignee: Pfizer Incorporated
    Inventors: Nigel A. Evans, Robert Craig Findly, Frederick H. Weber