Patent · US Expired

Derivatives of K5 polysaccharide having high anticoagulant activity

US6162797A · kind A · utility

20Cited by

2References

14Claims

0Family size

Assignee

INALCO S.P.A. · IT

Inventors

Giorgio Zoppetti · Milano, IT
Pasqua Oreste · Milano, IT
Giovanni Cipolletti · Milano, IT

Key dates

Filing date	Nov 6, 1998
Grant date	Dec 19, 2000
Priority date	—
Expiry date	Nov 6, 2018

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08B37/0075
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Derivatives of the K5 polysaccharide having anticoagulant activity higher than heparin, obtained by a process including the steps of reacting: with an organic base a solution of K5 polysaccharide N-deacetylated, N-sulfated and epimerized at least to an iduronic acid content of 50% treating with a sulfating agent to obtain the N-resulfation of the possible N-desulfated groups.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.