Patents by Inventor Kai-Martin Kruger

Kai-Martin Kruger 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 alkali metal alkoxides
    Patent number: 7847133
    Abstract: The invention relates to a process for preparing an alcoholic solution of an alkali metal alkoxide from alkali metal hydroxide and alcohol in a reaction column, the alcohol and the alkali metal hydroxide being conducted in countercurrent, which is characterized in that a reflux ratio of at least 0.05 is established in the reaction column.
    Type: Grant
    Filed: May 27, 2008
    Date of Patent: December 7, 2010
    Assignee: Evonik Degussa GmbH
    Inventors: Johannes Ruwwe, Kai-Martin Krüger, Udo Knippenberg, Volker Brehme, Manfred Neumann
  • Process for preparing alkali metal alkoxides
    Publication number: 20080296786
    Abstract: The invention relates to a process for preparing an alcoholic solution of an alkali metal alkoxide from alkali metal hydroxide and alcohol in a reaction column, the alcohol and the alkali metal hydroxide being conducted in countercurrent, which is characterized in that a reflux ratio of at least is established in the reaction column.
    Type: Application
    Filed: May 27, 2008
    Publication date: December 4, 2008
    Applicant: Evonik Degussa GmbH
    Inventors: Johannes Ruwwe, Kai-Martin Kruger, Udo Knippenberg, Volker Brehme, Manfred Neumann