Patents by Inventor François Magnette

François Magnette 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).

  • Process for purifying high molecular weight hyaluronic acid
    Patent number: 6489467
    Abstract: A process for purifying high molecular weight hyaluronic acid from a biological source, including the steps of adjusting the pH of an aqueous solution containing high molecular weight hyaluronic acid from a biological source to a pH in the range from 1.7 to 3.3 and then diafiltering said aqueous solution at the same pH using a filter having a pore size in the range from 100,000 Daltons nominal molecular cut-off to 0.45 m, and of removing cells from the aqueous solution containing high molecular weight hyaluronic acid from biological source.
    Type: Grant
    Filed: June 19, 2001
    Date of Patent: December 3, 2002
    Assignee: Chemedica S.A.
    Inventors: Stefano Carlino, François Magnette