Patents by Inventor Bruno Eyssautier

Bruno Eyssautier 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 preparing protease from Endothia parasitica using glucanases to reduce viscosity
    Patent number: 5187081
    Abstract: The present invention relates to a process for preparing protease from Endothia parasitica, wherein a glucanase or a mixture of glucanases acting on the viscosity increasing polysaccharides co-produced by the fungus, is introduced in the medium during or after fermentation.
    Type: Grant
    Filed: February 17, 1989
    Date of Patent: February 16, 1993
    Assignee: Sanofi
    Inventors: Rene Couderc, Bruno Eyssautier, Martine Laporte, Marie-France Planard
  • Process for multiplication of polysaccharide-producing microorganisms and use thereof in a polysaccharide production process
    Patent number: 5017479
    Abstract: Process for obtaining a mass of polysaccharide-producing microorganisms, consisting in conducting the growth of the microorganisms in a medium containing an enzyme which hydrolyzes the formed polysaccharide.Application in a process for the production of polysaccharide in two stages, in which the growth stage takes place in the presence of an enzyme, particularly for the production of scleroglucane using sclerotium type fungi.
    Type: Grant
    Filed: February 17, 1989
    Date of Patent: May 21, 1991
    Assignee: Sanofi
    Inventor: Bruno Eyssautier
  • Fermentation process for the production of xanthane
    Patent number: 4940663
    Abstract: The invention relates to a process for the fermentation of carbohydrates by bacteria of the genus Xanthomonas for the production of a polysaccharide of the xanthane type, in which the source of nitrogen consists of a gelatin with a molecular weight of less than 5000.Application: preparation of xanthane.
    Type: Grant
    Filed: June 22, 1988
    Date of Patent: July 10, 1990
    Assignee: SANOFI, Societe Anonyme
    Inventor: Bruno Eyssautier