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. 01, 2011
Filed:
Nov. 02, 2005
Applicants:
Dongwan Yoo, Guelph, CA;
Changhee Lee, Guelph, CA;
Jay Gregory Calvert, Otsego, MI (US);
Inventors:
Assignee:
Pfizer Inc., Madison, NJ (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61K 39/12 (2006.01); A61K 31/7088 (2006.01); C12N 7/00 (2006.01); C12N 7/02 (2006.01); C12N 7/04 (2006.01); C12N 5/10 (2006.01); C12N 15/40 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a genetically modified PRRS virus which has been modified such that the conserved cysteine in the E protein has been deleted or changed to a non-cysteine residue and polynucleotides that encode it. Vaccines comprising the genetically modified virus and polynucleotides are also provided.