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:
Nov. 19, 2002
Filed:
Mar. 29, 2000
Applicant:
Inventors:
Ahmed Khan Riaz, Sonning, GB;
Regina Vesnaver, Trieste, IT;
Luca Stucchi, Pavia Di Udine, IT;
Marco Bosco, Gradisca D'Isonzo, IT;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07H 1/00 ;
U.S. Cl.
CPC ...
C07H 1/00 ;
Abstract
A new class of polysaccharides containing carboxylic groups selectively substituted with halogens on the carbon atom on position 6 of the glicopyranosidic residue and the procedure to obtain these derivatives is therein described. The procedure entails the halogenation of carboxylated polysaccharides with alkyl aryl sulfonyl-halides in organic solvent. The products of this invention can be used as substrates in synthesis where the reactive site is the carbon that binds the halogen. Moreover, they can be used in the medical-diagnostic field.