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. 18, 2002
Filed:
Mar. 30, 1999
Applicant:
Inventor:
Carl G. Hellerqvist, Brentwood, TN (US);
Assignee:
Vanderbilt University, Nashville, TN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01N 4/304 ; C12N 1/20 ; C07J 3/00 ; A23J 1/00 ;
U.S. Cl.
CPC ...
A01N 4/304 ; C12N 1/20 ; C07J 3/00 ; A23J 1/00 ;
Abstract
A method for purifying a polysaccharide from group B &bgr;-hemolytic Streptococcus (GBS) bacteria includes contacting a bacterial fermentation stock with a hydrophobic interaction chromatography (HIC) resin. Additional steps may include a phenol/saline extraction and an ion exchange chromatography. The method results in a product having very high purity. The product of the purification provides a composition which is highly useful in both research and therapeutic settings.