Patents by Inventor Krishnaswamy Iyengar Dayalu

Krishnaswamy Iyengar Dayalu 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).

  • Patent number: 5855894
    Abstract: This invention relates to the field of Pasteurella haemolytica vaccines. More particularly, the invention relates to a bacterin-toxoid vaccine capable of inducing immunity in bovine species in one dose against Pasteurella haemolytica Type A-1 infection comprising Pasteurella haemolytica derived leukotoxoid, capsular antigen, soluble antigens and cells, methods to make the vaccine and methods of vaccinating bovine animals.
    Type: Grant
    Filed: October 30, 1995
    Date of Patent: January 5, 1999
    Assignee: Pfizer Inc.
    Inventors: Albert L. Brown, Krishnaswamy Iyengar Dayalu, Thomas James Kaufman, Rex Steven Newsham