Patents by Inventor Jean Guezennec

Jean Guezennec 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).

  • Purified Alteromonas macleodii polysaccharide and its uses
    Patent number: 6545145
    Abstract: The invention concerns a purified polysaccharide consisting of glucose, galactose, glucuronic acid, galacturonic acid, and pyruvate mannose, combined in a repeat hexasaccharide unit of formula (1), said polysaccharide comprising a saccharide units of formula (1), n being not less than 1. Said polysaccharide is useful in particular in the agri-foodstuff sector.
    Type: Grant
    Filed: March 2, 2001
    Date of Patent: April 8, 2003
    Assignees: Institut Francais de Recherche pour L'Exploitation de la Mer (Ifremer), Cooperative Laitiere de Ploudaniel
    Inventors: Hèlène Rougeaux, Jean Guezennec
  • Marine bacterial strain of the genus vibrio, water-soluble polysaccharides produced by said strain and their uses
    Patent number: 6436680
    Abstract: The invention concerns a hydrothermal bacterial strain of marine origin, belonging to the genus Vibrio, and an exopolysaccharide produced by said strain. Said exopolysaccharide is useful in particular for preparing medicines.
    Type: Grant
    Filed: November 19, 1999
    Date of Patent: August 20, 2002
    Assignee: Instit Francais de Recherche pour l'Exploitation de la Mer
    Inventors: Jean Guezennec, Patricia Pignet, Gérard Raguenes, Hélène Rougeaux