Patents by Inventor Madushini Nirosha Dharmasena

Madushini Nirosha Dharmasena 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).

  • Multifunctional oral vaccine based on chromosome recombineering
    Patent number: 9750793
    Abstract: A recombineered Salmonella typhi Ty21a, compositions and vaccines comprising such a Ty21a, and a method for recombineering comprising inserting a large antigenic region into a bacterial chromosome for the purpose of making multivalent vaccines to protect against one or more disease agents are described herein.
    Type: Grant
    Filed: September 16, 2013
    Date of Patent: September 5, 2017
    Assignee: The United States of America, as Represented by the Secretary, Department of Health and Human Services
    Inventors: Madushini Nirosha Dharmasena, Dennis J. Kopecko
  • Multifunctional Oral Vaccine Based on Chromosome Recombineering
    Publication number: 20150238591
    Abstract: A recombineered Salmonella typhi Ty21a, compositions and vaccines comprising such a Ty21a, and a method for recombineering comprising inserting a large antigenic region into a bacterial chromosome for the purpose of making multivalent vaccines to protect against one or more disease agents are described herein.
    Type: Application
    Filed: September 16, 2013
    Publication date: August 27, 2015
    Inventors: Madushini Nirosha Dharmasena, Dennis J. Kopecko