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. 11, 1995
Filed:
Mar. 07, 1994
Applicant:
Inventors:
Fabrizio Ungarelli, Bologna, IT;
Silvano Piani, Bologna, IT;
Assignee:
Alfa Wassernann S.p.A., Alanno, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08B / ;
U.S. Cl.
CPC ...
536 21 ; 514-8 ; 514 56 ; 536124 ; 530322 ; 530345 ;
Abstract
A process for the synthesis of glycosaminoglycans with heparin or heparan structure modified in position 2 of the .alpha.-L-iduronic-2-O-sulfate acid in which the sulfate group is, entirely or in part, substituted with a nucleophilic group, is described. The process is carried out by treating glycosaminoglycans having heparin or heparan structure with a nucleophilic reagent in alkaline solution.