Patents Assigned to Roure S.A.
  • Process for the preparation of gamma-irone
    Patent number: 4963480
    Abstract: This invention pertains to an improved process for the preparation of gamma-irone by bioconversion comprising treating an iris rhizome substrate selected from the group consisting of iris rhizomes, iris rhizome parts, iris rhizome extracts, iris rhizome extraction wastes, plant cell cultures of iris rhizomes, and mixtures thereof, with a bacteria selected from the genera group consisting of Enterobacteriacea, Pseudomonacea, the active enzyme fractions of such bacteria, and mixtures thereof, in the presence of a plant cell culture medium.
    Type: Grant
    Filed: July 24, 1989
    Date of Patent: October 16, 1990
    Assignee: Roure S.A.
    Inventors: Beatrice Belcour, Didier Courtois, Charles Ehret