Patents by Inventor Jacques Bourrelly

Jacques Bourrelly 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 quininone
    Patent number: 4175192
    Abstract: Amino secondary alcohols, e.g. cinchona alkaloid such as quinine, epiquinine, quinidine, epiquinidine and mixtures thereof, are oxidized to quininone, i.e., a mixture of quininone and quinidinone, by reaction of the alcohols with a metal ketyl, in an inert hydrocarbon solvent. The ketyl is formed through the reaction of an alkali metal or amalgam with a diphenyl ketone, such as benzophenone or fluorenone.
    Type: Grant
    Filed: June 13, 1978
    Date of Patent: November 20, 1979
    Inventors: Jean P. Gignier, Jacques Bourrelly
  • Process for the reduction of quinidinone to quinidine
    Patent number: 4174449
    Abstract: Quinidinone is reduced to quinidine through reaction with a reducing agent, selected from aklyl-substituted aluminum hydrides or alkali metal alkyl-substituted aluminum hydrides, in the presence of a stereospecific orienting agent, such as pyridine.
    Type: Grant
    Filed: June 13, 1978
    Date of Patent: November 13, 1979
    Inventors: Jean P. Gignier, Jacques Bourrelly