The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 25, 1995
Filed:
Mar. 07, 1994
Applicant:
Inventors:
Fabrizio Ungarelli, Bologna, IT;
Silvano Piani, Bologna, IT;
Assignee:
Alfa Wassermann S.p.A., Alanno, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08B / ;
U.S. Cl.
CPC ...
536124 ; 536 21 ; 530322 ; 530345 ;
Abstract
A process for the synthesis of glycosaminoglycans in which one of the .alpha.-L-iduronic-2-O-sulfate acid saccharide units, which is characteristic of glycosaminoglycans with heparin or heparan structure, has undergone a structural modification, entirely or in part, with transformation into .alpha.-L-galacturonic acid substituted in position 3 with nucleophilic groups, is described. The process is carried out by treating glycosaminoglycans having heparin or heparan structure with a nucleophilic reagent in alkaline solution.