Patents by Inventor Alfred Laufenberg

Alfred Laufenberg 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).

  • Olefinically unsaturated adducts of ethylene with polyunsaturated fatty acids of fatty acid esters, a process for their production and their use
    Patent number: 5324847
    Abstract: Olefinically unsaturated adducts of ethylene on polyunsaturated fatty acids with 18 to 22 carbon atoms or on esters of these fatty acids with C.sub.1 -C.sub.36 alkanols in molar ratios of ethylene to fatty acids or fatty acid esters in the range from 1:1 to 3:1 obtainable by reacting the fatty acids or fatty acid esters with ethylene at elevated temperature and pressure in the presence of compounds of the transition metals Ru, Rh, Pd, Ir and Pt as catalysts to form an olefinically unsaturated adduct.
    Type: Grant
    Filed: July 24, 1992
    Date of Patent: June 28, 1994
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Alfred Laufenberg, Arno Behr