Patents Assigned to Nativelle S.A.
  • Microbiological hydroxylation process of quinine, quinidine and derivatives thereof
    Patent number: 4996149
    Abstract: A process for the regiospecific and stereospecific hydroxylation of quinine, quinidine and their derivatives, in position 3S, is characterized by the use of certain microorganisms being reacted on the compound to be hydroxylated.
    Type: Grant
    Filed: May 21, 1987
    Date of Patent: February 26, 1991
    Assignee: Nativelle S.A.
    Inventors: Francois X. Jarreau, Robert G. Azerad, Thierry P. Ogerau