Patents by Inventor Hermann Koerner

Hermann Koerner 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 removal of alcohols
    Patent number: 5480978
    Abstract: The invention relates to a process for the removal of alcohols containing up to 30 and, more particularly, between 8 and 18 carbon atoms by distillation from a mixture of alkyl glycosides and alcohols remaining unreacted in the production of these alkyl glycosides, the alcohols being removed in two stages, a falling-film evaporator being used in the first stage and a thin-layer evaporator being used in the second stage.
    Type: Grant
    Filed: July 28, 1994
    Date of Patent: January 2, 1996
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Wilhelm Johannisbauer, Hermann Koerner, Michael Nitsche
  • Powdered preparations of surface active alkylglycosides
    Patent number: 5364647
    Abstract: Powder-form preparations of surface-active alkyl glycosides contain 5 to 65% by weight of a surface-active alkyl glycoside and 35 to 95% by weight of an inert inorganic support. They are produced by mixing the crude product obtained in the industrial production of the alkyl glycosides with water and an inorganic particulate support, for example silica, chalk or sodium chloride, and drying the resulting mixture. Preferred powder-form preparations contain 20 to 50% by weight of the alkyl glycoside and 50 to 80% by weight of an inert inorganic support.
    Type: Grant
    Filed: December 21, 1993
    Date of Patent: November 15, 1994
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Karlheinz Hill, Franz Foerg, Hermann Koerner, Josef Penninger