Patents by Inventor Bertrand Plesse

Bertrand Plesse 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).

  • Endofucanases and method using same for preparing fuco-oligosaccharides from fucanes, bacterium producing endofucanases and uses of fuco-oligosaccharides for plant protection
    Patent number: 6984630
    Abstract: The invention concerns endofucanases suitable for preparing fuco-oligosaccharides by enzymatic hydrolysis of fucanes. It also concerns a bacterium producing endofucanases and the preparation of said enzyme from the bacterium. It further concerns endofucanase genes and it finally concerns the use said fuco-oligosaccharides for plant protection.
    Type: Grant
    Filed: September 21, 1999
    Date of Patent: January 10, 2006
    Assignee: Laboratoires GOEMAR S.A.
    Inventors: Valérie Descamps, Olivier Klarszinsky, Tristan Barbeyron, Bernard Cloarec, Bernard Fritig, Jean-Marie Joubert, Bertrand Plesse, Jean-Claude Yvin
  • Method for stimulating natural control system of plants
    Patent number: 6387847
    Abstract: The present invention provides a method to potentiate and stimulate natural defensive reactions of plants to a pathogenic agent. The method comprises application to plants of a composition comprising an effective amount of one or more oligo &bgr; 1-3 glucans composed of 3 to 250 monosaccharide units and a vehicle, wherein the effective amount of oligo &bgr; 1-3 glucans in the composition does not directly stimulate natural defensive reactions of plants when the pathogenic agent is absent.
    Type: Grant
    Filed: January 18, 2000
    Date of Patent: May 14, 2002
    Assignee: Laboratoires Goemar S.A.
    Inventors: Jean-Claude Yvin, Florence Cruz, Jean-Marie Joubert, Bernard Cloarec, Christophe Richard, Bertrand Plesse, Marguerite Kopp, Bernard Fritig