Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Pamela Sue Fink Charbonneau0
Brian Bahler0
Jason Arnold Lotvin0
Mark Edward Ruppen0
Tsu-shun Lee0
Date of Patent
May 18, 2010
0Patent Application Number
113961080
Date Filed
March 31, 2006
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A process for reducing the protein content and preserving the capsular polysaccharide content in a complex cellular Streptococcus pneumoniae lysate broth prior to purification is described. Utilizing pH reduction after cellular lysis has resulted in a purified polysaccharide that consistently meets the protein specification, and higher recovery yields of polysaccharide during the purification process.
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