Escherichia coli compositions and methods thereof
US11260119B2 · kind B2 · utility
3Cited by
10References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 7, 2019 |
| Grant date | Mar 1, 2022 |
| Priority date | — |
| Expiry date | Aug 7, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02A50/30
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
In one aspect, the invention relates to an immunogenic composition comprising modified O-polysaccharide molecules derived from E. coli lipopolysaccharides and conjugates thereof. Multivalent vaccines may be prepared by combining two or more monovalent immunogenic compositions for different E. coli serotypes. In one embodiment, the modified O-polysaccharide molecules are produced by a recombinant bacterium that includes a wzz gene.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.