Patents by Inventor Robert P. Hanson

Robert P. Hanson 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).

  • Dry particulate vaccine for oral administration
    Patent number: 4251509
    Abstract: A vaccine in the form of a dry particulate comprising a matrix formed of a protein component as a binder and sugar as a solubilizing agent and which includes an antigen in the matrix in an amount to provide for a titre in excess of 1.times.10.sup.5 units per particulate and in which the moisture content is less than 1.0% by weight and which may include an antioxidant to stabilize the vaccine, an immunostimulant to enhance the response of the vaccine and a facilitator to enhance cell entry.This is a continuation of application Ser. No. 943,209, filed Sept. 18, 1978, now abandoned.
    Type: Grant
    Filed: January 31, 1980
    Date of Patent: February 17, 1981
    Assignee: Wisconsin Alumni Research Foundation
    Inventors: Robert P. Hanson, Adedipe Abegunde