Production method for capsular polysaccharide having pneumococcal serotype
US9636392B2 · kind B2 · utility
5Cited by
1References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 6, 2013 |
| Grant date | May 2, 2017 |
| Priority date | — |
| Expiry date | Sep 6, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12P19/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.