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. 11, 2002
Filed:
Jul. 12, 2001
Applicant:
Inventors:
Michelle Irene Gregarach Lawrence, Liverpool, GB;
Declan Greally, Liverpool, GB;
Assignee:
Medeva Europe Limited, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12N 1/04 ; A61K 3/174 ; A61K 3/9295 ; A61K 3/9145 ; A61K 3/9155 ;
U.S. Cl.
CPC ...
C12N 1/04 ; A61K 3/174 ; A61K 3/9295 ; A61K 3/9145 ; A61K 3/9155 ;
Abstract
A method for preventing or reducing bacterial contamination of a viral vaccine is disclosed. The method comprises adding an effective preserving amount of a polybiguanide-containing preservative composition to a solution containing vaccine virus or virus antigen. The method is particularly useful in preventing or reducing bacterial contamination of process solutions involved in the manufacture of influenza vaccines.