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:
Dec. 04, 2012
Filed:
Jul. 25, 2007
Stephen Lloyd Mitchell, Salisbury, GB;
Petra Claire Farquhar Oyston, Salisbury, GB;
Richard William Titball, Salisbury, GB;
Stephen Lloyd Mitchell, Salisbury, GB;
Petra Claire Farquhar Oyston, Salisbury, GB;
Richard William Titball, Salisbury, GB;
Abstract
A strain ofspecies wherein a gene which encodes for part of the glutamate metabolic pathway has been inactivated, and which is able to produce a protective immune response in an animal, for use as live prophylactic or therapeutic vaccine against infection by saidspecies. Particularly effective strains include those where the capB gene is deleted. Other embodiments of the invention describe strains which comprise a further genetic mutation wherein a gene which encodes for another component of the cell is also inactivated. Pharmaceutical compositions comprising said strains, together with methods which utilize such strains are also described and claimed.