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.

Date of Patent:
Aug. 12, 2014

Filed:

Nov. 22, 2011
Applicant:

Mario Contorni, Siena, IT;

Inventor:

Mario Contorni, Siena, IT;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61K 39/29 (2006.01); C07K 14/005 (2006.01); A61K 39/12 (2006.01); C07K 1/26 (2006.01); A61K 39/00 (2006.01);
U.S. Cl.
CPC ...
C07K 14/005 (2013.01); C12N 2730/10134 (2013.01); A61K 2039/55505 (2013.01); A61K 39/12 (2013.01); A61K 39/292 (2013.01); A61K 39/00 (2013.01); C12N 2730/10122 (2013.01);
Abstract

When preparing HBsAg for use in a combination vaccine, it us known to add a non-ionic detergent after the HBsAg has been purified. Adding detergents after purification of HBsAg is not optimal, however, as it requires a separate processing step during manufacture. Thus the invention uses them during HBsAg purification.


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