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. 02, 2017
Filed:
Sep. 06, 2013
Applicant:
SK Chemicals Co., Ltd., Seongnam-si, Gyeonggi-do, KR;
Inventors:
Jin-Hwan Shin, Seoul, KR;
Mahn-Hoon Park, Yongin-si, KR;
Hun Kim, Suwon-si, KR;
Myeong-Ju Noh, Seoul, KR;
Su-Jin Park, Seongnam-si, KR;
Assignee:
SK CHEMICAL CO., LTD., Gyeonggi-Do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12P 19/04 (2006.01); A61K 39/09 (2006.01);
U.S. Cl.
CPC ...
A61K 39/092 (2013.01); C12P 19/04 (2013.01);
Abstract
The present invention provides an improved method of producing a capsular polysaccharide having a pneumococcal serotype. The method according to the present invention includes a step of additionally culturing bacterial cells producing a pneumococcal serotype without pH adjustment, thereby removing a protein precipitation process by acidification with a pH adjuster.