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. 18, 2000
Filed:
Jul. 30, 1998
Applicant:
Inventors:
Gloria Cialdi, deceased, late of Siena, IT;
Agnese Magnani, Pilli, IT;
Assignee:
Fidia Advanced Biopolymers SRL, Brindisi, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07H / ; C07H / ;
U.S. Cl.
CPC ...
536123 ; 536 187 ; 536 21 ; 536 53 ; 536118 ; 536119 ; 536124 ; 514 54 ; 514 56 ; 514 59 ;
Abstract
Hyaluronic acid, hyaluronate esters and salts thereof are sulfated such that the number of sulfate groups per monomeric unit is in the range of from 0.5 to 3.5. The sulfated derivatives exhibit anticoagulant and cell adhesion reduction properties, and may be used to prepare biomaterials.