Patents by Inventor Valter Travagli

Valter Travagli has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Esters of hyaluronic acid with rhein, process for their preparation and compositions comprising the same
    Patent number: 7834173
    Abstract: The present invention relates to esters of hyaluronic acid with rhein, more particularly to a compound based on hyaluronic acid, wherein alcohol groups of hyaluronic acid are esterified with rhein, to a process for preparing said ester and to a pharmaceutical composition comprising said ester.
    Type: Grant
    Filed: February 25, 2005
    Date of Patent: November 16, 2010
    Assignee: Laboratoire Medidom S.A.
    Inventors: Antonello Pietrangelo, Valter Travagli
  • Esters Of Hyaluronic Acid With Rhein, Process For Their Preparation And Compositions Comprising The Same
    Publication number: 20070203094
    Abstract: The present invention relates to esters of hyaluronic acid with rhein, more particularly to a compound based on hyaluronic acid, wherein alcohol groups of hyaluronic acid are esterified with rhein, to a process for preparing said ester and to a pharmaceutical composition comprising said ester.
    Type: Application
    Filed: February 25, 2005
    Publication date: August 30, 2007
    Inventors: Antonello Pietrangelo, Valter Travagli