Highly sulfated derivatives of K5 polysaccharide and their preparation
US6992183B2 · kind B2 · utility
8Cited by
1References
27Claims
0Family size
Inventors
Key dates
| Filing date | Feb 26, 2002 |
| Grant date | Jan 31, 2006 |
| Priority date | — |
| Expiry date | Feb 26, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02A50/30
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The purification of the E.coli K5 polysaccharide by treatment with isopropyl alcohol and elimination of lipophilic substances is described. The purified product can be used to prepare, after N-deacetylation, new N,O-sulfated polysaccharides with high degree of sulfation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.