The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 20, 2001
Filed:
May. 13, 1998
Applicant:
Inventors:
Fernando R. Noriega, Baltimore, MD (US);
Marcelo B. Sztein, Columbia, MD (US);
Myron M. Levine, Columbia, MD (US);
Assignee:
University of Maryland, Baltimore, Baltimore, MD (US);
Primary Examiner:
Int. Cl.
CPC ...
A61K 3/9112 ;
U.S. Cl.
CPC ...
A61K 3/9112 ;
Abstract
Attenuated Salmonella mutants which constitutively express the Vi antigen are disclosed, as well as vaccines against typhoid fever containing the same, live vector vaccines containing the same, and DNA-mediated vaccines containing the same.