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:
May. 18, 2010
Filed:
Mar. 31, 2006
Brian Bahler, Apex, NC (US);
Tsu-shun Lee, Cary, NC (US);
Jason Arnold Lotvin, Union, NJ (US);
Mark Edward Ruppen, Garnerville, NY (US);
Pamela Sue Fink Charbonneau, New City, NY (US);
Brian Bahler, Apex, NC (US);
Tsu-shun Lee, Cary, NC (US);
Jason Arnold Lotvin, Union, NJ (US);
Mark Edward Ruppen, Garnerville, NY (US);
Pamela Sue Fink Charbonneau, New City, NY (US);
Wyeth LLC, Madison, NJ (US);
Abstract
A process for reducing the protein content and preserving the capsular polysaccharide content in a complex cellularlysate 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.