Patents by Inventor Francis L. Duchiron

Francis L. Duchiron 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).

  • Culture of a microorgansim of the genus klebsiella sp., having a high content of rhamnose
    Patent number: 4950604
    Abstract: The invention relates to biotechnology.It relates, in particular, to cultures of Klebsiella sp. microorganisms possessing the characteristics of the strain BEC 441 deposited under No. I-714 at the Collection Nationale de Cultures de Micro-organismes (National Collection of Microorganism Cultures) of the Institut Pasteur, as well as strains obtained from the strain BEC 441 by mutation, these strains being capable of producing polysaccharides rich in rhamnose by fermentation in a nutrient medium containing assimilable sources of carbon and of nitrogen and inorganic substances.Application for the production of a mixture of monosaccharides having a high content of rhamnose.
    Type: Grant
    Filed: December 8, 1988
    Date of Patent: August 21, 1990
    Assignee: Bioeurope
    Inventors: Marianne G. P. Graber-Gubert, Joseph C. A. Morin, Francis L. Duchiron, Pierre F. Monsan