Patents by Inventor Robert Tarolle

Robert Tarolle 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).

  • Patent number: 4206147
    Abstract: Process for the dehalogenation of halogen-containing aromatic amines takes place by the action of hydrogen in the presence of a controlled-action hydrogenation catalyst, at a temperature of between 280.degree. and 420.degree. C., the active phase of the catalyst containing, in addition to the main catalyst metal, a minor amount of an auxiliary hydrogen catalyst consisting of a second metal which is different from the first.
    Type: Grant
    Filed: September 12, 1978
    Date of Patent: June 3, 1980
    Assignee: Philagro
    Inventors: Jean C. Daumas, Robert Tarolle, Georges Biola