Highly sulfated derivatives of K5 polysaccharide and their...

Details Highly sulfated derivatives of K5 polysaccharide and their... Highly sulfated derivatives of K5 polysaccharide and their...

2006-01-31

2006-01-31

Wilson, James O. (Department: 1623)

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbohydrates or derivatives

C536S124000, C536S053000, C536S054000, C536S055100, C536S055200, C514S053000, C514S054000

Reexamination Certificate

active

06992183

ABSTRACT:
The purification of theE.coliK5 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.

REFERENCES:
patent: 6329351 (2001-12-01), Naggi et al.
patent: WO 92/17507 (1992-10-01), None
patent: WO 97/43317 (1997-11-01), None
patent: WO 98/34958 (1998-08-01), None
patent: WO 98/42754 (1998-10-01), None
patent: WO 01/02597 (2001-01-01), None
Manzoni et al, Journal of Bioactive and Compatible Polymers, 1993, vol. 8, 251-257.
Manzoni et al, Journal of Bioactive and Compatible Polymers, 1993, 8, 251-257.
Manzoni et al., “Extracelular K5 Polysaccharide ofEscherichia Coli: Production and Characterization,” Journal of Bioactive and Compatible Polymers, Lancaster, PA, vol. 8, No. 3, Jul. 1993, pp. 251-257.

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