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:
Jun. 23, 1998
Filed:
Jun. 07, 1995
Applicant:
Inventors:
Gordon Dougan, Beckenham, GB;
Steven Neville Chatfield, Beckenham, GB;
Carlos Estenio Hormaeche, Cambridge, GB;
Assignee:
Glaxo Wellcome, Inc., Research Triangle Park, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; C12N / ; C12N / ;
U.S. Cl.
CPC ...
4242581 ; 4241841 ; 4242351 ; 4242781 ; 435 693 ; 4351723 ; 4351721 ; 435243 ; 435245 ; 4352523 ;
Abstract
An attenuated microorganism harbouring two mutated genes, each of which is located in the organisms aromatic pathway is provided. These organisms can usefully form the basis of a vaccine. They can be genetically engineered so as to express antigens from other pathogens and thus form the basis of a range of multi-valent vaccines.