Patents by Inventor Jill Welsh

Jill Welsh 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).

  • Canine parvovirus vaccines
    Patent number: 4810494
    Abstract: The present invention concerns a vaccine comprising a novel canine parvovirus strain and having the property of being able to break through the maternally derived antibody levels persistent in 9-12 week old pups, and even to immunize the majority of pups at the age of 6 weeks in the presence of maternally derived antibodies.
    Type: Grant
    Filed: January 28, 1986
    Date of Patent: March 7, 1989
    Assignee: Akzo N.V.
    Inventor: Jill Welsh