Patents by Inventor Aime Traversaz

Aime Traversaz 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 the manufacture of dimethylethylamine
    Patent number: 4310697
    Abstract: This invention relates to a process for the manufacture of dimethylethylamine comprising reacting gaseous ethanol with a gaseous mixture of hydrogen and dimethylamine in the presence of a hydrogenation/dehydrogenation catalyst comprising copper and chromic oxide alone or admixed with barium oxide, zinc oxide, magnesium oxide, or other oxides, at a temperature of about 180.degree. C. to 240.degree. C. and an absolute pressure of about 1 to 15 bars for a time sufficient to form dimethylethylamine, the molar ratio of dimethylamine/ethanol being about 0.2 to 0.6 and the molar ratio of hydrogen/ethanol being about 3 to 10.
    Type: Grant
    Filed: August 12, 1980
    Date of Patent: January 12, 1982
    Assignee: Produits Chimiques Ugine Kuhlmann
    Inventors: Bernard Cheminal, Paul Kiener, Aime Traversaz