Abstract: A method for preparing polyanhydroglucuronic acid and/or salts thereof is described. A polyanhydroglucuronic acid-containing material obtained by oxidation is subjected to partial or complete hydrolysis to form a homogeneous system, subsequent ion exchange in the homogeneous system; and supplemental oxidation in the presence of any one or more of organic and inorganic peroxides.
Type:
Grant
Filed:
September 1, 2006
Date of Patent:
May 21, 2013
Assignee:
Alltracel Development Services Limited
Inventors:
Radim Dvo{umlaut over (r)}åk, Ji{umlaut over (r)}i Briestensky, Ivan Santar, Anthony Richardson