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:
Jul. 20, 2021
Filed:
Oct. 27, 2009
Applicants:
Paolo Costantino, Siena, IT;
Francesco Berti, Siena, IT;
Anna Kabanova, Siena, IT;
Maria Rosaria Romano, Siena, IT;
Inventors:
Paolo Costantino, Siena, IT;
Francesco Berti, Siena, IT;
Anna Kabanova, Siena, IT;
Maria Rosaria Romano, Siena, IT;
Assignee:
GLAXOSMITHKLINE BIOLOGICALS SA, Rixensart, BE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07H 5/06 (2006.01); A61K 39/09 (2006.01); B01D 15/34 (2006.01); B01D 15/36 (2006.01); B01D 61/14 (2006.01); A61K 39/00 (2006.01);
U.S. Cl.
CPC ...
A61K 39/092 (2013.01); B01D 15/34 (2013.01); B01D 15/363 (2013.01); A61K 2039/55505 (2013.01); A61K 2039/6037 (2013.01); B01D 61/145 (2013.01);
Abstract
A process for purifying aGAS carbohydrate comprising a step of anionic exchange chromatography. The process provides a good yield of GAS carbohydrate. The saccharides of the invention have low levels of hyaluronic acid, protein and nucleic acid contamination.