Patents Assigned to Farmila-Thea Faraceutici S.p.A.
  • Cross-linking process of carboxylated polysaccharides
    Patent number: 6734298
    Abstract: A process for the preparation of cross-linked polysaccharides containg carboxy groups. The process comprises a first step of activating the carboxy groups in an anhydrous aprotic solvent and then reacting with a polyamine. The cross-linked polysaccharide may be subjected to sulfonation of the five hydroxy groups.
    Type: Grant
    Filed: June 18, 2001
    Date of Patent: May 11, 2004
    Assignee: Farmila-Thea Faraceutici S.p.A.
    Inventors: Rolando Barbucci, Giancarlo Sportoletti